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Old February 4th 2004, 21:46
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boygenius boygenius is offline
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Overhead Cams

How much money/time would be required to make some SOHC or DOHC heads for a beetle. Everything else has been done already. I know porsche made some quad cam 4 cylinders in the 1960's but one of those engines will set you back 90K. Either belt driven off the crank pully or modify the case and crank gears for a timing chain. Maybe use some subaru cams since the engine share the same basic design. This was just a thought that I've had for years bouncing around in my head. What do you guys think.?????


Call me crazy but I have a dream.
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Old February 4th 2004, 22:12
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Sandeep Sandeep is offline
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The name "Russ Fellows" comes to mind ... Porsche heads to T4 Engine ... NOW THAT is "Aircooled Technology" :agree:

http://www.johnmaherracing.co.uk/int...y99jan2000.htm

Sandeep
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Old February 4th 2004, 23:53
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boygenius boygenius is offline
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:righton:

Thats awesome.

Now that I know its been done I want one even more.

:raiseroof
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I love my money pit, uhm, err, I mean my car.
1969 beetle in the works... 2.0 type 4 DTM...
2004 Suzuki GSX-R 1000 crashed
www.volksport.net Volksport Kfer Gruppe
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Old February 9th 2004, 06:01
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Wally Wally is offline
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Its been done with an authentic tuning part (heads) made many years ago by Ludwig Apfelbeck. Two inlet valves, one exhaust valve, twin spark plugs.

I took a picture of one of the remaining heads (they are one head per cylinder) and it is in the gallery. That head hasn't had all the machine work done to it BTW, but you get the picture.

A project with those heads is in the making, but it will take at least one or two years before it will be completed...

Greetings,
Walter
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Old February 16th 2004, 10:56
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Wally Wally is offline
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Lets see if I can post a pic of one of Roberto's heads on the flow bench here.



Walter
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Old February 26th 2004, 18:28
BOBTAIL BOBTAIL is offline
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Ohc

Sorry its only eye candy

due to be stripped down for inspection this week hopefully, so I'll give you an update on how its held up.

Just for the record
104mm barrels 944 pistons ceramic coated crowns, inlet and exhaust ports.
Currently puts out 350bhp, has done at least 10k miles this year.
runs 11.2 on slicks 11.4 on treads 120ish terminal
heads havent leaked at all this year.Running 12lbs of boost and 6.sumthin':1 comp ratio,i.e. the most we could get,as we're not running domed pistons.
stock crank not c/w, stock rods and runs 3 camshafts

The only recurring fault this season is broken rockers after burnouts,(seems the rev limiter isn't quick enough to catch up. (set at 7500 rpm)

Due to be painted polar silver and rewired, with the k,jet in the bin and replaced with Motec full engine management and also running an intake plenum.

Last edited by BOBTAIL; February 26th 2004 at 18:41. Reason: Additional info
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