What has Dave Been Up To? 29th AUG 2015: 10.66@126.09mph!!

dangerous · 2006-10-31T03:22:08+00:00

Well, after the Warwick '06 meet, I decided to make some changes to the car. These include : Purchase some quality nozzles for the fuel system and get it re-flowed, Adding an MSD 6AL, Putting stock width guards on the car, And, upgrading the CV joints. The CVs and flanges were robbed off my crashed Chassis car, and are Commadore items. The drive flanges and stubs have had locating rings welded to the standard items. Some clearancing of the bump stop bracket was needed. These CVs use a 28 spline axle the same as a 930 CV joint. My axles are made by Romac here in Brisbane, and are 400mm long. You can see how I cut a groove in the outer, to reduce some of the added weight. This is pretty conservative, because I dont want a failure. Perhaps I will remove a little more weight later. [ Edited on 31-10-2006 by dangerous ] [ Edited on 2-11-2006 by dangerous ] [ Edited on 14-3-2007 by dangerous ]

dangerous 23 Windows of Awesome

5,901 posts · joined Jan 2005 · 27 Jun 2011, 5:16 am

#848574

Yep it sure will need the alternator!😂

dangerous 23 Windows of Awesome

5,901 posts · joined Jan 2005 · 27 Jun 2011, 8:06 am

#848584

Yes good point Brad,
this is a problem with methanol period.
Not sure it will make much difference in 'space' whether it is injected either top or bottom,
unless it is injected direct into the chamber like the new Comodore engine.

The manifolds DO have a fair bit of cross section,
but there is always room to improve.
My theory with the better atomisation is just something I want to try,
and doubt very much it is the total answer, hence why I have other changes also in the works,
but if the fuel IS atomised better,
it will allow me to use less fuel per HP and thus more space for said air.

My primary reason for the top fuel entry is
to fatten up the power curve on the gear change.
I saw this occur last time I tried the nozzles up high,
but I am hoping this to be a better way to acheive the same result.
The top end normally benefits to if i can generate some controlled stand off.(it is my friend...or not?)

Craig Torrens 6 times Australian, 7 times State Hillclimb Class Champion

8,040 posts · joined Jan 2003 · 30 Jun 2011, 9:03 pm

#849293

maybe the 100,000lb spings and the telegraph pole pushrods has taken some power ??!😂😊😘

dangerous 23 Windows of Awesome

5,901 posts · joined Jan 2005 · 30 Jun 2011, 9:13 pm

#849296

no doubt!

dangerous 23 Windows of Awesome

5,901 posts · joined Jan 2005 · 30 Jun 2011, 9:17 pm

#849299

westi what the

1,610 posts · joined Aug 2005 · 30 Jun 2011, 10:11 pm

#849314

your f--kin nut's dude.
i love it.
r u going to ofset chuck and finish of the top's or r you trying something different for max lift.lol🤪

down sharon.

whathaveidone Custom Title Time!

1,559 posts · joined Feb 2010 · 30 Jun 2011, 10:47 pm

#849324

pffffff thats nothing!!!! I make my own cams all the time!!!!!!🤪🤪🤪
Seroiusly though, What you do is awesome. Is there any tool you dont have?????? Cant wait to see it run!!

Sides Veteran Volks Folk

2,220 posts · joined May 2007 · 1 Jul 2011, 8:05 am

#849342

Wow... just... wow...

😵‍💫

VWDCQ vice pres & web dude - vwdcqinc.org.au
Join a car club - get car peeps

My toys
'70 Hillclimb Bug 'Jezebel' w/- Haltech EFI - http://bit.ly/VwTNtQ
'60 KG Coupe - resto kinda started
01 New Beetle - gf's car, but I turn the spanners

20bkombi Wolfsburg Wizard

597 posts · joined Mar 2009 · 1 Jul 2011, 10:02 am

#849354

Wow... love your work man!!

How much thicker were you able to make the shaft?

AARON'S SPEED SHIFT AUTOS
Specialising in Vw automatic transmissions, differentials and torque converters
Stock or modified to suit your application (street, drag, off road)
Ph 0402 233 027

FROSTY Insano Dub Head

744 posts · joined May 2009 · 1 Jul 2011, 5:44 pm

#849386

How long..... did that take man??? That was a massive lump of metal to machine!!!!

dangerous 23 Windows of Awesome

5,901 posts · joined Jan 2005 · 1 Jul 2011, 6:40 pm

#849396

9 hours!

Stanley I guess the reward is in the doing of it

4,523 posts · joined Mar 2003 · 1 Jul 2011, 7:01 pm

#849399

that's impressive

you'll have to knock out a crank now to trump that

LIFE IN THE LOW LANE All people have the right to stupidity but some abuse the pr

2,534 posts · joined Mar 2007 · 1 Jul 2011, 7:03 pm

#849400

with the duration on those lobes you could duck up stairs and make a coffe while they hold the valve open LOL

ACCEPT THAT SOME DAYS YOU ARE THE PIDGEON AND SOME DAYS YOU ARE THE STATUE

Alder Outlaws VW Racing - check it out on fb!!

dangerous 23 Windows of Awesome

5,901 posts · joined Jan 2005 · 1 Jul 2011, 7:03 pm

#849401

already made two VW cranks(90 and 82,5mm), one Norton bike, and one Nash vintage car,
but another Volksy with about 94 stroke would be cool.

matberry Moderator Go hard or go home

8,114 posts · joined Mar 2006 · 1 Jul 2011, 10:35 pm

#849444

😂😂😂😂

DB never ceases to amaze...... 🙂

Matt Berry Motorsports...air cooled advice, repairs and mods Ph 0408 704 662
OFF-ROAD,CIRCUIT,DRAG,STREET,ENDURANCE

Sides Veteran Volks Folk

2,220 posts · joined May 2007 · 2 Jul 2011, 5:16 am

#849456

So dumb question time from me again DB... what's the finishing process from here on the cam... presumably polishing and/or hardening ???

And how do you avoid the incompatibility with followers problem that keep hearing about, or is that not such an issue with roller cams ???

VWDCQ vice pres & web dude - vwdcqinc.org.au
Join a car club - get car peeps

My toys
'70 Hillclimb Bug 'Jezebel' w/- Haltech EFI - http://bit.ly/VwTNtQ
'60 KG Coupe - resto kinda started
01 New Beetle - gf's car, but I turn the spanners

dangerous 23 Windows of Awesome

5,901 posts · joined Jan 2005 · 2 Jul 2011, 7:39 am

#849461

Hi Dave,
the next step will be for the lobes and journals to be pre-ground
to the desired shapes and sizes.

Crankshaft Engineering will do the journals on their crank grinder,
and Surecam will do the lobes to my desired specs.

It will then go off to be case hardened.
In the past I have asked for .060" deep case, but I may ask Surecam to give his recommendation.

After this it will go back to get the lobes and journals finished.
I made a flat tappet cam the same way some years ago,(currently in "Cranky2"),
and it was compatable with any of the induction hardened iron VW lifters(I used Mahle black ones).

In this case it will be able to be run on my current roller lifters no problem.

STOCK Wolfsburg Wizard

446 posts · joined Apr 2008 · 3 Jul 2011, 12:27 pm

#849607

dave you're a freak

🤘
STOCK

Sides Veteran Volks Folk

2,220 posts · joined May 2007 · 3 Jul 2011, 6:13 pm

#849669

Heh heh - but he's a freak in that spreader of engine p0rn, taking a Volksy to it's limits, just plain "wow" kind of way.... which makes it OK in my book !!!

😉

Thanks heaps for explanation DB !!!

👍

VWDCQ vice pres & web dude - vwdcqinc.org.au
Join a car club - get car peeps

My toys
'70 Hillclimb Bug 'Jezebel' w/- Haltech EFI - http://bit.ly/VwTNtQ
'60 KG Coupe - resto kinda started
01 New Beetle - gf's car, but I turn the spanners

westi what the

1,610 posts · joined Aug 2005 · 7 Jul 2011, 10:41 pm

#850571

hey dave.
do you think this will be alright for the new heads.
280 50'
int 670atv
exh 654 atv
it's the same cam i have been running.
what kind off seat and nose pressures would you run.
and what kind of cfm difference should i be aiming for for another 30-40hp.
remembering my bench is 10'.
my old heads last time round were around 174cfm.
i am going to start on the same old bench so i can see ruffly were i start from and then move over to my new bench.whoo hoo.sf600.

down sharon.

dangerous 23 Windows of Awesome

5,901 posts · joined Jan 2005 · 8 Jul 2011, 5:27 am

#850600

That cam is a little big on duration,but will work fine, especially you plan to run more than 8500rpm.
This all depends on your final head result however.
Remembering that a good cylinder head can extend the rev range, and poor will limit it, for the same valve action.

My bench is also only 10", but I think we found in the past that those figures don't match mine.
Either way, anything better than 150 is good, and above 175 is awesome at 10".

Your 174 equates to 275 cfm at 25", or 275 flywheel HP in my opinion.
Books and theorists say the potential is much higher than this,
but reality, and life, show that it is more common, to make HP less than the same 25" number.

I have always used the 25" conversion,( x 1.5811, as a HP number and it is pretty close to most real engine dynos).
30 to 40 HP more will need 30 to 40 more CFM at 25",
which means 19 to 25 more cfm at 10" I guess.

dangerous 23 Windows of Awesome

5,901 posts · joined Jan 2005 · 8 Jul 2011, 5:30 am

#850601

OH!
Without knowing if your roller cam profile is stable,
I would have to assume that it is, my own combo used 260 seat and 620 nose for reliable 8400 limit.
A soft profile could use as little as 500 over the nose in a perfect world.

Your rocker arms will have to be able to stand up to this though.

westi what the

1,610 posts · joined Aug 2005 · 12 Aug 2011, 12:25 am

#856619

thanks for the info.
as for being stable f--k knows.how do you know if it's stable.
so as the post say's.
what dangerous been up to.
have you put in the big barstard yet.

down sharon.

dangerous 23 Windows of Awesome

5,901 posts · joined Jan 2005 · 12 Aug 2011, 5:25 am

#856623

You can send the cam away and have its profile simulated, to find out if you combination of parts is stable.

One flat tappet I used in the olden days was sweet at 7600,
but only if it did not spit out the pushrod at 6200!(C45 with 1.6 rockers).

Another time, (at band camp) the lobes were found to be ground backward! (Autocraft).

Zero lash helps.

Still waiting on my new Surecam, but have a Pauter one to try.
It has less duration than yours though.

reub VWRX is gone...

2,054 posts · joined Sep 2002 · 12 Aug 2011, 8:30 am

#856634

...ah, so the lobes are purely for pleasure... not sure which band camp you went too 🙂

Reub

westi what the

1,610 posts · joined Aug 2005 · 12 Aug 2011, 9:04 am

#856637

were would i send it.
i haven't been to band camp yet.but i still love hearing the stories.

down sharon.

LIFE IN THE LOW LANE All people have the right to stupidity but some abuse the pr

2,534 posts · joined Mar 2007 · 12 Aug 2011, 2:02 pm

#856671

Might have to get Stock to buy a flute and learn to play it LOL

ACCEPT THAT SOME DAYS YOU ARE THE PIDGEON AND SOME DAYS YOU ARE THE STATUE

Alder Outlaws VW Racing - check it out on fb!!

dangerous 23 Windows of Awesome

5,901 posts · joined Jan 2005 · 15 Sep 2011, 12:49 pm

#862198

Still waiting on my new cam, so fitted one that Don pauter did especially for me.
New MSD and injection made for a much nicer curve and a little more power.
Remembering that it ran 10.93@122 with 220hp and 1785 lbs of weight,
this should be worth a couple of mph and tenths too i hope.

The red humpy curve was last time, with small cam, 265*.
You can see how it has picked up from the 6500rpm and up (right where I use it).

STOCK Wolfsburg Wizard

446 posts · joined Apr 2008 · 15 Sep 2011, 12:54 pm

#862201

thats awesome dave power curve looks great

🤘
STOCK

vassy66T1 Wow ... are U reading this?

2,120 posts · joined Jun 2003 · 15 Sep 2011, 8:34 pm

#862277

Nice one!!

That power curve will translate into times no doubt 👍