| [ Total Views: 1621 | Total Replies: 14 | Thread Id: 34822 ] |
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 dangerous
A.k.a.: Dave Butler Muffin Man
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| posted on January 30th, 2005 at 06:21 PM |
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Hypo-VW n/a type 4
hey Wayne, how about some specs on your engine , Trans, & weight of your car? Is 105 mph your best? Not many good Type 4s out there.
| Quote: | Originally
posted by westi
That's mad Alan.
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hypo-vw
A.k.a.: Wayne Penrose
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Australias 1st 10sec street beetle (Jan 2007) 10.49secs@132mph street tyres
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| posted on January 30th, 2005 at 10:09 PM |
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105mph is the best that the car has run . It does a 1.6sec 60 foot and 88mph at half track then runs out of legs . As I had mentioned previously it is
geared and set-up for hillclimbs only . The car weighs 800kg and is balanced front to rear 39/61% , much better than stock . It still runs a
swing-axle transmission with 4.125 ring and pinion ,albins gears 4.11 / 2.21 / 1.59 /1.17 . a ZF limited slip diff , berg chromemoly axles and side
plate strengtheners . Still using the stock vw transaxle housing though . Wheels are 16"x11.5" rear and 15"x10" front with avon hillclimb slicks .
Engine is 2842ml . 82mm fullcircle bernie bergmann crank , chev journal chromemoly H-beam rods , JE 105mm forged pistons , total seal rings , cam is a
modified special grind 320degree .534" lift , berg type-1 valvetrain equipment , origional kombi heads modified 48mm intakes and 38mm exhaust
(extensively ported) feeding the avgas into the engine is quad throttle bodies in IDA pattern with microtec injection . Dry-sumped for high speed
cornering and transfering drive to the transmission is a stage-4 kennedy ductile 3000lb pressure plate and a berg 3-puk disc .:vader
Team 
FASTEST ET @ WARWICK 2010 & 2011
FASTEST SPEED @ WARWICK 2011
FASTEST ET & SPEED WSID 2012
PB - 6.33@113.07(1/8) & 9.88@135(1/4)
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dangerous
A.k.a.: Dave Butler Muffin Man
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| posted on February 2nd, 2005 at 08:19 PM |
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Thanks for responding Wayne, lots of good info there! Perhaps some other people can list their specs..including weight and best MPH ...Blacktop dynos
rule!
| Quote: | Originally
posted by westi
That's mad Alan.
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Alex Holzl
A.k.a.: Big Al
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| posted on February 2nd, 2005 at 08:26 PM |
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wow sounds hectic! what HP you making at the wheels? dry sumps the way to go!!
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hypo-vw
A.k.a.: Wayne Penrose
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| posted on February 3rd, 2005 at 07:24 AM |
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| Quote: | Originally
posted by Alex Holzl
wow sounds hectic! what HP you making at the wheels? dry sumps the way to go!!
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last dyno report showed 181bhp at the rear wheels in 4th gear and 1062lbs of tractive effort . Will keep you informed and post new figures when the
turbo /intercooler installation is completed . You will be able to see it run at the VW nationals .:bounce:bounce:bounce
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Team
FASTEST ET @ WARWICK 2010 & 2011
FASTEST SPEED @ WARWICK 2011
FASTEST ET & SPEED WSID 2012
PB - 6.33@113.07(1/8) & 9.88@135(1/4)
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hypo-vw
A.k.a.: Wayne Penrose
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Australias 1st 10sec street beetle (Jan 2007) 10.49secs@132mph street tyres
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| posted on February 3rd, 2005 at 07:27 AM |
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image problem sorry .:cry
Team
FASTEST ET @ WARWICK 2010 & 2011
FASTEST SPEED @ WARWICK 2011
FASTEST ET & SPEED WSID 2012
PB - 6.33@113.07(1/8) & 9.88@135(1/4)
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Alex Holzl
A.k.a.: Big Al
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2332cc of pure BALLZ!!
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| posted on February 3rd, 2005 at 07:30 AM |
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A nice HP reading you have!! will be balistic with the turbo! The tractive effort is huge!! i was pretty happy with my 900lbs. will be good to see it
race again
alex
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OvalGlen
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| posted on February 25th, 2005 at 05:37 PM |
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So Wayne, all in all a pretty cheap engine (not).
Well done on a top motor.
It has been pretty reliable I guess.
With that much torque , does it tend to snap out of control?
I imagine a squirt of the throttle at the wrong time would see you looking back at where you came from.
Regards,Glenn>
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hypo-vw
A.k.a.: Wayne Penrose
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| posted on February 27th, 2005 at 09:37 PM |
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I find with the injection it is very smooth and controlable to drive and having so much sticky rubber on the road tends to keep everything pointing in
the right direction , however there has been a few incidents where things have gone just wrong !! at a hillclimb meet in grafton 2003 I went out in
practice to find that the trans had started to jump out of 2nd gear . I made a very wrong decision when racing started , and that was to hold it in
2nd through the tight windey section of the race track and steer with one hand . I hadn't counted on the bug leaping sideways as I exited this
section jumping on the throttle and couldn't pull enough lock with one hand to correct it . The bug ploughed a tyre wall then crossed the track and
made heavy contact with another , not happy to damage just one side !! The results were , rear bumper torn off and broken in half -- both rear guards
torn off -- both running boards broken -- engine lid broken -- minor impact on r/h thottle bodys -- 3" exhaust totally flat at middle of system --
both rear axles bent . With the help of a couple other competitors we did enough repairs to the bug to get it back on the track , set another new
track record and won the 2litre to 3litre sports sedan class beating 3 rivals . not a bad effort ey!!:blah:blah
Team
FASTEST ET @ WARWICK 2010 & 2011
FASTEST SPEED @ WARWICK 2011
FASTEST ET & SPEED WSID 2012
PB - 6.33@113.07(1/8) & 9.88@135(1/4)
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OvalGlen
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| posted on February 28th, 2005 at 05:16 PM |
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Big effort, but justly rewarded.!
Regards,Glenn>
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Graeme
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| posted on February 28th, 2005 at 05:22 PM |
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Top motor, I am in the process of putting a t4 into an oval (2.5lt) Where do you go to get decent hp out of your heads?
Cheers
Graeme
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hypo-vw
A.k.a.: Wayne Penrose
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 posted on February 28th, 2005 at 08:25 PM |
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type 4 heads
| Quote: | Originally
posted by Graeme
Top motor, I am in the process of putting a t4 into an oval (2.5lt) Where do you go to get decent hp out of your heads?
Cheers
Graeme
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hi graeme , I do my own head mods including big valves , porting & polishing , chamber reshaping etc . The heads I am using on the 2.9litre
engine are still the exact same pair of heads that I did for the drag bug in 1994 ( they are now over 10 years old and still going strong ) when we
origionally put the 2.5litre drag bug on the dyno it was running on alcohol and showed 272bhp at the rear wheels before the stock tyres broke traction
on the rollers and smoked out the TAFE college . I am currently doing a new set with bigger titanium valves , chev springs & a few more mods . for
any further info call me on 02-42725644 .:bounce
Team
FASTEST ET @ WARWICK 2010 & 2011
FASTEST SPEED @ WARWICK 2011
FASTEST ET & SPEED WSID 2012
PB - 6.33@113.07(1/8) & 9.88@135(1/4)
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pete wood
A.k.a.: figure itout
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| posted on March 1st, 2005 at 08:09 PM |
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when you were using the 2.5l, you were using the standard crank were you? what mm stroke was it?
are 105mm pistons the biggest you can fit in a type 4 case?
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hypo-vw
A.k.a.: Wayne Penrose
Veteran Volks Folk
Australias 1st 10sec street beetle (Jan 2007) 10.49secs@132mph street tyres
Posts: 2151
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| posted on March 3rd, 2005 at 10:57 PM |
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| Quote: | Originally
posted by pete wood
when you were using the 2.5l, you were using the standard crank were you? what mm stroke was it?
are 105mm pistons the biggest you can fit in a type 4 case?
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I was using a stock 71mm stroke 2litre crank that had been very well balanced . Back then I was spinning the engine to 8,600rpm .( for more details
check out http://www.wpvw.com.au ) The 105mm piston kit is the biggest kit available
off the shelf for a type-4 engine , however I do have a set of 105.25mm pistons & barrels , but the cylinder wall thickness is very thin
.:blah:blah
Team
FASTEST ET @ WARWICK 2010 & 2011
FASTEST SPEED @ WARWICK 2011
FASTEST ET & SPEED WSID 2012
PB - 6.33@113.07(1/8) & 9.88@135(1/4)
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Graeme
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| posted on March 6th, 2005 at 09:40 PM |
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Cheers for the info! I will be stripping my t4 motor down a little later in the year and converting it to injection, so i will probabbly contact you
about 'cleaning-up' the heads, and what the best cam, compression etc would be, if thats ok.
:thumb
Graeme
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