cyrus Posted December 18, 2002 Share Posted December 18, 2002 I need to know the best ride height compromise for street and track for my 71 240Z with a LS1 v8. My present springs are a joke. The car bobs, dips, and is scary. cyrus Quote Link to comment Share on other sites More sharing options...
SleeperZ Posted December 18, 2002 Share Posted December 18, 2002 I think my compromise with the Eibach progressive rate springs and Tokiko shocks works well on the street and I sure have fun on the track. I'm about an inch lower than stock, which on a '78 was fairly high, but at least I have my fillings on these rough Denver streets... Quote Link to comment Share on other sites More sharing options...
katman Posted December 18, 2002 Share Posted December 18, 2002 I was always fond of about 6 inches at the bottom of the rocker panels for a street/track car. Much lower than that and you end up teetering over speed bumps..... Quote Link to comment Share on other sites More sharing options...
Mudge Posted December 18, 2002 Share Posted December 18, 2002 Most road racers actually do not lower the car all that much, especially if your going to be on street tires, full on wide race tires can handle more spring, so if you wanted to lower it aggressively you could do so I suppose. A guy I know who open road races, and road races, and instructs and yes AutoX too, lowered one car about half an inch and the other about an inch only. Someone else on another board who also road races, likewise said lowering is overrated. I still like it, to some extent, just dont go nuts with it, thats one big plus of coil overs Quote Link to comment Share on other sites More sharing options...
Guest Anonymous Posted December 19, 2002 Share Posted December 19, 2002 I'm at 6" at the front fender behind the wheel, about 6.75"ish at the rear fender in front of the wheel. You need a higher spring rate and better shocks to keep your car from bouncing around. I'm not sure about the wieght of a chevy but with my sb ford I have 200lb infront and 250 rear. I'm out driving that rate now and will be going higher but not much. Um, I would guess 225--250 front and 300 rear for you? I think a chevy is heavier. ANyway, get stiffer springs and better shocks and upgrade when you need them. If you have coilovers buying diff. springs rates isn't that big a deal... $60 or so bucks a spring. And everyone's driving style is different. You need to find yours. If you want a general setting, search the archives. THIS HAS BEEN DISCUSSED BEFORE. Lates. Quote Link to comment Share on other sites More sharing options...
Nismo280zEd Posted December 20, 2002 Share Posted December 20, 2002 so what does that equate to under the car.. when i measured mine i wanted it 3" from the ground to the lower frame rail. which would be another 1/2" drop in front and 1 1/2" drop in back. and i felt i was being conservative, my father's porsche is 2 1/2" off the ground to lowest point but it scrpes going in and outta the drive, but speed bumps are ok if ya go slow.. ya don't have to diagnol them. Quote Link to comment Share on other sites More sharing options...
tsumner Posted December 21, 2002 Share Posted December 21, 2002 Cryus, have you replaced the old rubber bushings in the suspension yet? You might find that installing a fresh set of bushings (stock or poly.)is all thats needed .Install them before spending on new springs and shocks or at the same time you upgrade the rest of the suspension. Tom Quote Link to comment Share on other sites More sharing options...
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