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Hi, I'm trying to found out if wheelie bars help out on a C4. First I should tell you that a have a sloid axle rearend. This past weekend I put it on the bumper twice. Not fun. I can adjust my shocks to keep it down but I'm sure I'm giving up some traction by doing this. So I was wondering if it's worth the investment. The car runs low 10's at 130mph. Any help would be great.
After my third time on the bumper I'd had enough unexpected fun
I tightened up the front shocks and limited the travel but sometimes it just came outa' nowhere with no warning so on went the wheelie bars. I can limit the amount of rise and still use the shock adjustment on slick tracks so I figure they're worth the investment.
BTW, I was in Henderson this weekend after SEMA, woulda' liked to have seen you run!
Hi, I'm trying to found out if wheelie bars help out on a C4. First I should tell you that a have a sloid axle rearend. This past weekend I put it on the bumper twice. Not fun. I can adjust my shocks to keep it down but I'm sure I'm giving up some traction by doing this. So I was wondering if it's worth the investment. The car runs low 10's at 130mph. Any help would be great.
Thanks, Doug.
The pic looks bad a$$ I would love to see a c5 up like that
Thanks guys for the info. I think I'm going to give them a try.
Dave, how high do you have the wheelie bar wheels off the ground. The things I've read say start at 3.5 inches. That seems low to me. Also do you have any trouble loading on and off the trailer with them installed?
Right now my static setting is at 8 1/2" but it compresses to 12-13" on a hard hit. My bars are 48" long, half the wheelbase so I figure the front end rise is approx. twice the compressed setting. Still a fun ride with lots of air time but not too crazy.
When mine does that the rear tires look like a 150 year old lady all wrinkeled up.
I wish I had that strong a side wall.
If you set your rear shocks softer, that should take up most of the climb on the launch .I hate to say the big end she will wiggle more .
I have a pro stock scoop on mine so all i see are stars .
You should also find someone who has the weight scale pads that go under each wheel and see if you can shift more of the cars weight to the front and drivers side.I don't know if you have noticed but the engine is off set to the passenger side and causes the pass side tire to grip more twisting the car and bringing it up quicker.
How is the unwind at the big end when you throw out the anchor?
I still have the IRS in my car and I never know where it is going.
If you foot brake it and just flash the converter you will be able to keep it down longer.I would make sure you put a white stripe at the top center of the steering wheel so you know where the front wheels are ,that way when the car is in the air you will know where the steering wheel should be so you don't have it turned when you come down.I turn 9's at over 140.00 and I can keep it down most of the time.
Last edited by REDC4CORVETTE; Nov 9, 2007 at 02:27 AM.
Thanks guys, that gives me a great place to start. I orderred a set yesterday. Hopefully I'll have them on by the Bracket Nationals which is Thanksgiving Day weekend here in Las Vegas.
RedC4corvette, I adjusted the rear shocks all the way to the soft side and yes it wiggled at the top end. But at lease it didn't go on the bumper again. Also the coast down was stable.
Bye the way, I leave off the transbrake but only at 3500 rpm. It's a 8" 4500 stall converter and I start making good power around 4000 rpm.