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Discussion Starter · #1 ·
Can you guys with 4th Gen's please post some wheel and tire size combo's (BS too please), pics would be GREAT! I have a 77 with a set of 15x8 corvette rally wheels with 235-60-15's with stock suspension. The wheels have a 3 3/4 BS. It looks like I have PLENTY of room for wider rims and bigger tires, probably an inch inside and more out, but I did a search and most guys dont think a 15x10 will fit. If I have to relocate the shocks then thats what I'll do. Please give some feedback and post some pics please guys!
 

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Go with a 15 x 8. A 15 x 10 will either stick out or rub, even with the shocks moved. You can get a 275/60 on a 15 x 8 easily, which should be more than enough tire for whatever you want to do.

Kev
 

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I am running a 15x8 with 4.5 BS, Weld Drag-Lite wheel. My rear tires are 275/60/15 Mickey Thompson ET Street Drag Radials. I have no clearance issue. Does NOT rub on takeoff or with passengers in the car. In the front I have 15x3.5 Weld Drag-lite with a 165/80/15 tire.




 

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77NovaRacer your car looks great!:yes:

I run 8.5 Centerline. I think the BS is more than 4.5 or 4.75. No problems with 28x10" slick, or 28x10.5 MT Sportsman. I took the number off the box as my car was not accessible and searched the internet site and could not locate a match. I bought them new but from a private party in 90. Shocks have been relocated. Front are 5.5.

Sorry, these are best pictures I have. Second picture front sits high due to no engine.

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Discussion Starter · #7 ·
You ALL have very nice cars. Looks like the 15x8's or 15x8.5's are what I'll go with, and the 275/60/15 Mickeys should fit just fine. I had 15x10's with 5.5" BS on my 75 drag Nova with 28x10 slicks, but that was with a ladderbar suspension and I rolled the lips on the quarters for extra clearance. I'd post a pic, but looks like I cant. Thanks for the help, and the pics fellas!
 

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go with a 15x8 wheel i was running a 28x12.0x15 on a set of old z28 wheels and the rubbed a little but nothing crazy. then i tried to do a set of weld 15x10 and cut a brand new par of slicks and was pissed 15x8 is where its at for the 4 gen nova's.



 

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thanks it my new project im actually selling my nova to finish it :( here are some better pics of it












a little backround on the truck my great grand father bought it brand new off the show room floor in 1957. and has been passed down through my family the truck only has 62,000 miles on it.
 

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Discussion Starter · #11 ·
Too bad you're so far away. Looks like the Nova is a good project. The thing I can wrap my mind around is the fact that my 15X8's with 235/60/15's sit WAY back under the car. i have a good 2 inches before the sidewall even gets close to the quarter lip, plus a good inch inside. Maybe bigger tires will fill that up some.
 

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235/60's are babies compared to 275/60's. Any bigger than 275 and 8 inches wide will rub or need to stick out for clearance. The 275 is the perfect fit for these cars.

Kev
 

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235/60's are babies compared to 275/60's. Any bigger than 275 and 8 inches wide will rub or need to stick out for clearance. The 275 is the perfect fit for these cars.

Kev
I had 255/70/15 before and they were a tighter fit than the 275/60/15's !
Heres a pic with the 255/70/15's, the width was close to the same, but they were 1" taller

 

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69 Nova Tires rub

Just put 235/60/15 with 15x8 4.5BS on rear. How can I raise rear easily. Can I use different shocks? It just slighty hits.
 

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Unless you use air shocks (please don't) changing shocks will not raise the rear of the car. Shocks only dampen the movement, the springs support the weight. You must change springs to raise or lower the back of the car.

I'd suggest rolling the wheel lip first to gain clearance. Are you sure of the backspace? 235/60 on a 15x8 rim with 4.5" backspace should easily clear. My 255/60 tires on a 15x8 rim with 4.5" backspace easily clear. Maybe the rims are only 3.5" backspace.
 

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Discussion Starter · #17 ·
My 77 with 200,000 miles has the factory leaf springs and they SAG BIGTIME, but I can still clear the 235/60/15's with the 15x8 vette rallys with 3.75BS with the help of airshocks. I'm putting new leafs on next weekend so hopefully the new 275/60's I put on will clear without the air shocks. Air shocks tend to beat the crap outta the car. My 75 racer had air shocks when I first bought it, the upper shock mounts were broken out from them, not rusted...BEATEN.
 
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