I'll 2nd the "your waisting your money" keep it stock if you want to keep the pee shooters
FAHRVERGNUGEN;
Description of a pleasurable sensation,
Experienced when a car and it's driver are in mutual harmony, A unique driving experience, Pleasure, Satisfaction,
A feeling experienced by Volkswagen Drivers.
Rubbish! A magazine article in the late 70's published dyno tests on the stock exhaust vs the cheaper extractors - guess which one produced the highest peak HP? Dual Solexes and 040 heads can produce a noticeable increase in performance (the baffles are usually left out of the "peashooters," it sounds better anyway.)
Good extractors will produce better driveability and all-round performance, however.
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and Custom Speed Parts.
[Edited on 30-6-2003 by lugnuts]
If you leave the baffles out of the peashooters, then you have practically no muffling - would be surprised if it was still quiet enought o be legal ?
If I were you (and I'm not, but anyways) 🙂 I would go the 32/36 DGAV progressive webber. Makes a good power increase, excellent driveability and great fuel economy too.
I know I'm nit-picking, Doug. But the DGAV turns the wrong way (that's the G) and has a water-heated choke (that's the A.) The carb we use is the DFEV, or the Holley 5200, which is a licensed copy of the same (but will need complete re-jetting in pretty much all stock configurations.)
P.S. I'm not sure if the unbaffled exhaust would be legal by today's standards - it's about as loud as the old hotdog systems we used to run (which passed EPA testing in about '85,) and WA cops didn't seem to bothered by it in an old VW... But this is the Wild West.
your wasting your time and money if you keep the stock exhaust.
changing the exhaust is the best horsepower for dollar gain you can make i reckon.
been there done it!
It WAS possible to find exhausts that use the basic VW design, with the two 'pea-shooter' exhausts. Back in the 1960s and 1970s there were Italian Arbarth extractors that looked very similar to a stock exhaust externally, but had bigger pipes and different merging inside the muffler. Two larger chrome pipes poked through the stock body cutouts. Made of unobtainium nowadays though. But you could make one if you were keen enough.
They were based on the almost identical design used on the 356 Porsche, whose exhaust is very VW-like in design. Porsche never saw fit to use US-style extractors on their 356 coupes. They stuck with a (much improved) VW-style design all the way through - even on the sublime Carrera Arbarth 356 with the twin-cam 2-litre 165hp flat four, so there's nothing wrong with that design. VW's pipes are just a bit small for performance.
The other exhaust was the Jack Brabham Lukey extractor sytem like i have fitted to my 56 Oval.
This has one dummy exhaust and one live exhaust tube both pea shooters. The pipe system goes up the inner guard past the axle and then back to the stock outlet.
Good point Dave but i thought there was a Brabham/Lukey that had 2 live pea flared flutes.
Richard has a ceramic coated one on the wall - i will have a look at it.
Suppose to be a real good performing system. Suppose to sound SWEET to boot!
