Quote:
Originally Posted by Greg Reimer 7376
Well, the rule book for 2008 says,"Rear trailing arms may be replaced with NHRA accepted OEM type aftermarket units.Aftermarket lower unit must be non-adjustable and have bushed ends(no heims).Aftermarket upper unit may be adjustable and use heim ends instead of bushings." I guess the purpose in that is to prevent even the appearance of an alteration in the wheelbase of the car.The Alf Wiebe set up allows for centering the rear end housing, and adjusting the differential pinion shaft angles. It also allows for suspension preload up to a point. Another thing,how many 64-72 cars of any make all have a square frame after this much use and years of abuse? Drag racing isn't exactly easy on things.Tony Janes had a discussion with some tech people and apparantly, an official word is forthcoming, probably by the start of next season.Hopefully,unanimous interpretation of acceptance of what constitutes compliance will be the result.
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As long as they are going to be consistent...
But I'd be pissed if I owned the Wiebe system and they ended up making it illegal.
Please keep us up to date on this, I am going from a powerglide to a th-200 this year and want to do some suspension work to keep up with the harder launches.
Looks like i'll be ordering a roll bar for HRpartsnstuff...