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Has anyone tested the power gain from an open element filter to a cowl induction setup? Just curious if it actually was a benefit.you gain 1% in HP for every 10 degrees you lower the intake air temp
this type air cleaner was originally supplied for the Z-11 impala drag cars.also was used on the 63 NASCAR impalas with the "mystery" engine at daytona
OK, now that makes sense. Thanks for that extra information.I sent you a email with the sketch
Thanks for the recollections. Pretty neat that you worked alongside Bill Howell in Vince's group. Certainly a wealth of technical know-how in that group. It does not seem logical to me to defeat the dampening properties of the harmonic balancer but obviously it was done.the inter part of the damper where the 3 screws went thru was slotted so the outer ring could still move radially . the screws were there to keep the outer ring from coming off. I can't post pictures here so I can't show you
An ebay auction (#151061102844) for a Racer Brown roller camshaft used by Traco in their 215 Olds race engines. Super rare item these days. Thanks to Robert Lodewyk for pointing this out.i have a isky 2 gear drive roller cam out of one of jim halls chaparral that i picked up thru GM and maybe i should try and sell it.
Text from the auction reads as follows...
This is a very early steel billit roller cam and lifters ground by the original Racer Brown in Ca. for TRACO who built 215cu.in.aluminum Olds engines for Bruce McLaren's sports car racing.
The #55 grind is considered the slalom,road race cam. This has to be one of the earlyest roller set ups because of the unusual lifter and retention system.
This is collectable or usable in vintage road racing. This is a solid roller lifter.
Buy it now and get the CAR&DRIVER also
I understand screwing the outer part of the balancer to the inner hub to keep it from coming off at sustained high speed but it would seem to be incapable of dampening any torsional vibrations from the crankshaft like that.pick up a "chevy power book" and it shows how to modify the damer with screws so the outer ring would not come off. did a lot of them back in the day. did you ever meet bill howell your days at traco ?? i went to the TA races thru GM and bill and i would spy on the ford camp by hanging around in their pits.
