| [ Total Views: 196837 | Total Replies: 117 | Thread Id: 56367 ] |
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 Jeza
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| posted on March 23rd, 2007 at 10:33 AM |
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I think that is one of the reasons some people give up on the VW engine and fit a Subi.
To get the performance and reliability is increasingly becoming more and more hard work, cause the parts that you buy aren't as they are often
advertised. I have friends purchase heads off CB and discover that they are different casting, and that the rocker arms don't fit over the studs!
How are the rest of the preparations going CT?
Cheers
Jeremy
[ Edited on 23-3-2007 by Jeza ]
......random gibberish for today.......
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fullnoise
Fahrvergnugen
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| posted on March 23rd, 2007 at 10:58 AM |
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I took a day off yesterday and Jak and I started the engine build and installed the new gearbox. It's now a single side-plate box with 3.0 first, 2.0
second, 1.35 third and the standard 0.93 fourth remains standard. The ring and pinion is a 4.37 as before. I also pulled apart the CVs, cleaned and
reassembled them.
It should be back on the road next Saturday providing there are no hiccups.
I've sent the entry off.
The Sup Regs are out and there are 36 events over 3 days and we'll be travelling over 1000 kilometers. Jak will be driving 18 of those.
I'm already nervous!
esratrams
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Jeza
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| posted on March 23rd, 2007 at 11:01 AM |
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Nice,
You guys are going to have a blast!
Good luck to you both, and keep us posted 
Cheers
Jeremy
......random gibberish for today.......
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VWCOOL
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| posted on March 23rd, 2007 at 11:32 AM |
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It's good to 'have a go' but situations like this highlight why it's good to go to an engine builder who knows all the tricks, knows all the
products, knows all the sh*t, knows what works with what and what doesn't - especially when the big bucks are involved
[ Edited on 23-3-2007 by VWCOOL ]
Pay your debts, CxxT
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Craig Torrens
A.k.a.: Craig Torrens
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| posted on March 23rd, 2007 at 12:54 PM |
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I hate when you don't get what you pay for..........
Should be a great event CT.
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LIFE IN THE LOW LANE
A.k.a.: Brennden Alder
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All people have the right to stupidity but some abuse the privilege
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| posted on March 23rd, 2007 at 10:33 PM |
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My biggest beef with a lot of the US aftermarket gear i have bought, used or seen is the way they love to have all these sloppy clearances. Piston to
barrel clearances, base circles on cams etc etc. Sometimes it just works out cheaper to get it done here by professional engine builders who give you
what you need and want. there is nothing more annoying than hearing a rattling noisy VW engine and people tell you that is how they are. the 2l type 4
in my Kombi was as quiet as a mouse with all the stuff I had done to it, no rattles etc etc hence with the custom exhaust system I used to get the
comment of it's not a VW engine.
It does suck when this sort of thing happens CT as you fork out the $$ for quality bits and they are sub par. Hope you can sort it all out without
having to spend too much extra money.
By the way I love your car and what you do with it. A man after my own heart. Looks the part and has the go to match. Top work!!!
[size=4] ACCEPT THAT SOME DAYS YOU ARE THE PIDGEON AND SOME DAYS YOU ARE THE STATUE[/size]
Alder Outlaws VW Racing - check it out on fb!!
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fullnoise
Fahrvergnugen
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| posted on March 25th, 2007 at 11:10 AM |
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The results of the flow test.
Valve Lift": Intake CCFM ; Exhaust CCFM
.100 : 45.4 ; 35.8
.150 : 70.3 ; 59.0
.200 : 92.9 ; 72.2
.250 : 113.9 ; 84.9
.300 : 131.2 ; 94.1
.350 : 142.8 ; 102.7
.400 : 148.1 ; 108.7
.450 : 148.3 ; 114.1
.500 : 154.5 ; 118.8
Valve lift .460 (W130 with 1.1 rockers)
Intake port design Mini-D port
Exhaust port design looks stock
[ Edited on 25-3-2007 by fullnoise ]
[ Edited on 25-3-2007 by fullnoise ]
esratrams
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Craig Torrens
A.k.a.: Craig Torrens
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| posted on March 25th, 2007 at 12:00 PM |
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how does that compare with your old heads ?
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dangerous
A.k.a.: Dave Butler Muffin Man
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| posted on March 25th, 2007 at 06:21 PM |
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Is that with 25"or 28" pressure drop CT ?
| Quote: | Originally
posted by westi
That's mad Alan.
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fullnoise
Fahrvergnugen
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| posted on March 25th, 2007 at 08:41 PM |
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Hi Dave,
There is a column heading for "Depression". At each valve lift increment it reads 28.00 which could be 28" because I can't find any other
reference. What do you think?
There's also readings for "Swirl" and "Temp" if that's of any use.
Regards
esratrams
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fullnoise
Fahrvergnugen
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| posted on March 26th, 2007 at 10:27 AM |
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Busy Saturday
I had a busy saturday building the engine. The rods had done a lot of kilometers. It even looks like they were in a stroker before they were put in
the rolled superbug that I got the engine out of over 10 or so years ago. So I decided to replace them. I was going to get some more standard rods
reconditioned with ARP bolts but that was going to cost over $400. So I thought I'd get some new ones.
The CB Super Race Rods weigh only 6 grams less than the stock rod. I was expecting more. But the weight is reduced from the small end which is
important I'm led to believe. I think the stock weight was 570g and the CB one was 564g or something like that according to the kitchen scales.
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esratrams
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fullnoise
Fahrvergnugen
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| posted on March 26th, 2007 at 10:29 AM |
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I hope I don't see any of these parts for at least 3 years. Mind you I probably won't be able to help my self. I love tinkering with the engine.
The rods were the only thing I replaced. The cam and lifters look good. Bless the standard lifters.
[ Edited on 26-3-2007 by fullnoise ]
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esratrams
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dangerous
A.k.a.: Dave Butler Muffin Man
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| posted on March 26th, 2007 at 04:28 PM |
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Hi CT, is that a Sabadusi crank?
Swirl is important, and VW style heads typically are very good,
but I have no data for comparison.
The temperature is normally used to correct the data
so that each lift can be compared to a standard, and/or each other.
Some times the air's temp rises higher (during the test) at one lift than another,
so this evens things out.
Yes the "depression" figure will mean 28" and relates to the size of the suck.
Our bench uses up to 15" since it is only a small unit, but I can do a conversion
to make a relevant comparison.
There seems to be plenty of room for improvement, but that flow figure should be good for up to 140fw(120wheel?) hp if it was flowed with manifold
and carb.
Of course this is only if the engine is optimised and has enough compression.
what valve size?
For comparison with 44mm valve we have seen 167cfm with stock port flange size,
and 200 with large welded port is common.
Some of the best ones are 210 and the best VW head I have seen with 48 inlet valve(moved exhaust guide) cracked 225 at .500" lift(testing my
memory)
These figures were at .500" but they normally flow more at higher lifts.
| Quote: | Originally
posted by westi
That's mad Alan.
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fullnoise
Fahrvergnugen
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| posted on March 26th, 2007 at 04:55 PM |
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The valves are 40 x 35.5 and the head was flowed with the manifold but not the carb.
The theory behind choosing these heads was that I wanted something to suit the engine capacity rather than something hogged out to feed a big
stroker.
I was looking for airspeed though the ports rather than just volume. I've seen some disappointing results from large valve and large port heads on
the same size engines. The same engine with same CR only made 76 RWHP with my 44mm valve street eliminators; however the valves were shrouded and the
ports were rough.
One thing RAMS mentioned when I dropped the heads in was that there was a sharp edge on the inside of the exhaust port. I explained that where the
heads are from. He responded that the yanks don't often bother doing much with the exhaust port.
[ Edited on 26-3-2007 by fullnoise ]
esratrams
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Gracey
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| posted on March 27th, 2007 at 07:16 PM |
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CT, were the heads flowed before or after RAMS did any work on them?
Andrew
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fullnoise
Fahrvergnugen
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| posted on March 27th, 2007 at 10:45 PM |
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After. So that's with the 3 angle valve job which would've improved the flow.
What heads did you decide on?
esratrams
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Gracey
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| posted on March 28th, 2007 at 01:00 PM |
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I haven't dicided yet, I'll probably go with an 044 style, mainly for strength and longevity. I know which heads I'm not buying though.
Funny thing is there's a thread on Cal Look Forum at the moment saying how good DRD is.
Makes you wonder if they sent us the shit because it's not worth returning it.
It'll be interesting to see your results with your reworked heads.
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dangerous
A.k.a.: Dave Butler Muffin Man
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| posted on April 12th, 2007 at 07:34 PM |
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Have you tried out the new gearing yet CT?
| Quote: | Originally
posted by westi
That's mad Alan.
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fullnoise
Fahrvergnugen
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| posted on April 13th, 2007 at 09:43 AM |
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Hi Dave,
The engine will go back together tonight. The engine will go back in the car tomorrow. Hopefully Jak and I will take it for a test run late on
Saturday.
I just need to pick up one new CV joint and a couple of new Yamaha rocker screws today.
We're entered in the NSW Dutton Rally as car number 59. There's no turning back now.
esratrams
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fullnoise
Fahrvergnugen
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| posted on April 18th, 2007 at 06:08 PM |
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NSW Dutton Rally Schedule Car 59
NSW Dutton Rally Event Schedule for car #59. There are 36 or so events and the driver does half and the co-driver does the same circuits as the
driver. It should be a fun few days.
Friday 25th May
AM- FAIRBAIRN PARK HILL CLIMB – Sutton Rd, Queanbeyan
9 SONIC PROMOTIONS Hill Climb
10 Hill Climb
SUTTON ROAD COMPLEX - Sutton Rd, Queanbeyan
11 VMA Auto Test
12 Skid Pan
13 VMA Auto Test
14 Skid Pan
PM WAKEFIELD PARK – Braidwood Road, Goulburn
1 ALPHERA FINANCIAL SERVICES Auto Test 1 - Short Circuit
2 THRIFTY CAR RENTALS Auto Test 2 - Short Circuit
3 PITMAN TRUCK SALES Hill Climb
4 Auto Test 1 - Short Circuit
5 Auto Test 2 - Short Circuit
6 EQUITRAC Hill Climb
EVENT NO GOULBURN AIRPORT – Airport Road, Goulburn
7 HOGS BREATH CAFE 800m Sprint
8 800m Sprint
Saturday 26th May
AM SUTTON ROAD COMPLEX - Sutton Rd, Queanbeyan
19 VMA Auto Test
20 Circuit Auto Test 1
21 Circuit Auto Test 2
22 Skid Pan
23 VMA Auto Test
24 Circuit Auto Test 1
25 Circuit Auto Test 2
26 Skid Pan
FAIRBAIRN PARK HILL CLIMB – Sutton Rd, Queanbeyan
17 Hill Climb
18 Hill Climb
PM WAKEFIELD PARK – Braidwood Road, Goulburn
15 COMPETITION FRICTION Long Circuit Sprints
16 Long Circuit Sprints
Sunday 27th May
EASTERN CREEK INTERNATIONAL RACEWAY – Brabham Drive, Eastern Creek
36 Figure 8 Circuit
27 TRACKCORP Full Circuit
28 ROAD SENSE Skid Pan
29 . Mile Sprints – WSID
30 . Mile – Reaction Time
31 Figure 8 Circuit
32 TRACKCORP Full Circuit
33 Skid Pan
The engine is in the car now. I just need to make some new pushrods and fit the carbs and exhaust. Fingers crossed that everything was put together
properly.
esratrams
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Craig Torrens
A.k.a.: Craig Torrens
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| posted on April 20th, 2007 at 08:03 PM |
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be interested to see what times you do at the Fairbairn Hillclimb.
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fullnoise
Fahrvergnugen
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| posted on April 30th, 2007 at 09:03 AM |
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I'm driving the car to commute too and from work this week and hopefully I'll fit in a wheel alignment to get more lock out of the steering and a
dyno tune to help with jetting and total timing advance.
The gears are fun, fun, fun!
First is tall. It's not hard to get off the line but you do need more revs and you need to be more conscious of the clutch release. Then the car just
pulls hard and comfortably.
Second takes some getting used to. At first it felt like the clutch was slipping or that the wheels were spinning because I've never changed into
such a close rev range when the car is really on song. With only a 2000 rpm rev drop second and third are gone in no time, the traffic is miles behind
and you change into fourth looking for another 2 gears because it's so fun and you just want to keep accelerating.
Thanks to those who gave me their advice on the gearbox. It was money well spent!
esratrams
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VWCOOL
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| posted on April 30th, 2007 at 09:20 AM |
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yeah after spending a tuiny amount of time in CR-equipped Hill Climb cars a close-ratio cogbox is on my list of 'dreams' but I'll have to stick
with a 3.8 diffed stocko for year or two when my new big-balls 1916 arrives
Turning lock is real problem on BJ cars with 6-inch rims and lotsa camber, isn't it?
Pay your debts, CxxT
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Guy_H
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| posted on May 1st, 2007 at 02:48 PM |
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CT - We will be there in Either the Red Golf or Red Polo - say hi. Any help you can give us on the NSW tracks will be appreciated!
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fullnoise
Fahrvergnugen
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| posted on May 1st, 2007 at 04:47 PM |
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Hi Guy,
Tips on Wakefield, Fairburn & Eastern Creek no problem.
Have you seen the entrant list? Gulp!
Most of the cars models are followed by the letters EVO, STI, GTR or HSV. Then there are those followed by letters and a numbers such as M5, M3, XR8 &
GT3.
Hopefully there's an award for the oldest car or smallest engine capacity!
It should be a hoot. I'm planning on a larger pant size for each day due to all the catering!
Regards
esratrams
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VWCOOL
23 Windows of Awesome
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| posted on May 1st, 2007 at 06:57 PM |
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| Quote: | Originally
posted by fullnoise
I'm planning on a larger pant size for each day due to all the catering!
Regards
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lol... Catering - or some other pants-filling experience?!
Pay your debts, CxxT
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fullnoise
Fahrvergnugen
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| posted on May 3rd, 2007 at 09:30 AM |
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Dynoed and ready to rock!
I gave the car and a box of jets to SAS in silverwater yesterday to make sure the engine wasn't running to rich or lean at any point in the rev range
and to see if they could squeeze any more out of the engine.
My goal was 100 rear wheel horsepower. SAS tried a whole host of jets, emulsion tubes and played with the total timing. In the end they smoothed out
the HP curve a bit and improved the top end and I ended up with 99.9 RWHP. Just 0.01 HP off my goal.
That was with the full size pulley. I plan to run with the power pulley for the Dutton Rally. I think that's worth half a horsepower from memory. We
tested it once at CB. So there we go a bee's d!@k over 100 reliable rear wheel HP and there's no more in it!
That's engine and gearbox done. Now on to the wheel alignment and brake check and swaybar fitment and the car is ready mechanically.
Regards
[ Edited on 2-5-2007 by fullnoise ]
esratrams
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Guy_H
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| posted on May 3rd, 2007 at 11:17 AM |
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| Quote: | Originally
posted by fullnoise
Hi Guy,
Tips on Wakefield, Fairburn & Eastern Creek no problem.
Have you seen the entrant list? Gulp!
Most of the cars models are followed by the letters EVO, STI, GTR or HSV. Then there are those followed by letters and a numbers such as M5, M3, XR8 &
GT3.
Hopefully there's an award for the oldest car or smallest engine capacity!
It should be a hoot. I'm planning on a larger pant size for each day due to all the catering!
Regards
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Ah - don't worry too much about them! - Our Polo only has 1.8 litres and pumps out about 250+ hp.
Enjoy it, have fun, have a couple of beers & kick back.
most of them come undone on the motorkhana's - they go all out & spend thousands to cut .0001 of a second off a lap time & then blow 20 seconds by
missing a cone on the tight stuff!
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Gracey
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| posted on May 5th, 2007 at 02:04 PM |
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Hey CT, congrats on the HP.
That's good HP for a 40mm valve on a 1916.
Couple of questions -
What final jetting and emulsion tubes did you end up with?
And where was peak HP and torque made?
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fullnoise
Fahrvergnugen
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| posted on May 7th, 2007 at 12:36 PM |
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After trying plenty of jets and emulsion tubes to iron out the dip at 3000rpm without hurting the top end we ended up with the same jets I was running
for the street 135 main and 175 air with F11s which is what the carbs come with.
The horsepower-hurting richness comes from reversion or fuel stand-off and there's nothing we can do about it. That doesn't matter because I intend
to race between 4000 and 7000 rpm.
I ran the power pulley on Saturday and there was minimal effect on the oil temps. So that's what I'm going to run in the Dutton. Now I can claim
over 100 RWHP (just).
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