C4 Tech/Performance L98 Corvette and LT1 Corvette Technical Info, Internal Engine, External Engine

What Size Slicks and Wheels to Buy?

 
Old 09-29-2009, 02:38 PM
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Mr. Dude
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Default What Size Slicks and Wheels to Buy?

I've got an 87 and am wanting to get some drag slicks and wheels. Will I have any problems with 15x8 weld drag lites with 3.5" backspacing and 28x10.5x15 MT's? Is there a chart or some info somewhere with the sizes I'm limited to? Thanks.
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Old 09-29-2009, 03:55 PM
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pablocruise
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I know there are a few C4 guys that run 28's. Some of them are over inthe drag race section. I have 27's. It gives me great MPH but does not ET / 60 ft. very well as you might surmise.

Not sure on the backspace as my year C4 is different than the earlier models. The rims are Weld pro-stars 15x10's.
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Old 09-29-2009, 08:39 PM
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Originally Posted by Mr. Dude View Post
I've got an 87 and am wanting to get some drag slicks and wheels. Will I have any problems with 15x8 weld drag lites with 3.5" backspacing and 28x10.5x15 MT's? Is there a chart or some info somewhere with the sizes I'm limited to? Thanks.
5.5 BS fits '87 rear
28x10.5x15 MT's is recommended for 10" rim

http://www.mickeythompsontires.com/s...hp?item=ETDrag
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Old 09-29-2009, 09:16 PM
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Thanks for the tips guys! I think I'll check out the drag racing forum too. Didn't even know there was a drag racing section... cool.
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Old 09-30-2009, 01:46 AM
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These pigs are heavy in the front the 3.5 will not be enough on the front,you need 4.5 at 26 in max or you can't turn the car.
The rear need to be a 10 in rim with a 7 inch back spacing 28 and if you have the money 29 in will fit.You will have to grind the fins, rear brakes only.
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Old 09-30-2009, 08:37 AM
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Thanks redc4corvette. What can I get away without having to grind the rear brake caliper? 11" - 12" rim?
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Old 09-30-2009, 09:23 AM
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Originally Posted by Mr. Dude View Post
Thanks redc4corvette. What can I get away without having to grind the rear brake caliper? 11" - 12" rim?
I don't think it has to do with the width...it's the diameter.

The cars came with either 16" or 17" rims from the factory. A 15" rim won't (quite) clear the rear calipers. Some minor grinding and they'll clear them.
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Old 09-30-2009, 10:02 AM
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Okay... got it. So just going down to any 15" will give me clearance issues with the brake calipers.

How does a radial such as the BF Goodrich comp T/A's compare to a true drag slick? My car isn't heavily modded but it breaks loose very easily off the line with the Falken's that I currently have on it. Maybe I can get away with just getting some radials instead of true slicks? Sorry for all of the questions, I'm learning a lot from you guys and appreciate all of the advice.
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Old 09-30-2009, 11:32 AM
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The easiest solution for you is to grab some 16 inch wheels from a 97+ Camaro or Firebird. They will bolt on your car without an issue and can be found for as little as $25 a piece on the Internet.

M/T makes a 26.5 x 10.5 x 16 that fits these wheels. The set up works very well.

A drag radial would probably work for you as well. However, most of the drag radials need to be warm to work well. This is no problem at the drag strip, but for the impromptu stop light encounter they might not work as well.
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Old 09-30-2009, 12:08 PM
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Originally Posted by Mr. Dude View Post
Okay... got it. So just going down to any 15" will give me clearance issues with the brake calipers.

How does a radial such as the BF Goodrich comp T/A's compare to a true drag slick? My car isn't heavily modded but it breaks loose very easily off the line with the Falken's that I currently have on it. Maybe I can get away with just getting some radials instead of true slicks? Sorry for all of the questions, I'm learning a lot from you guys and appreciate all of the advice.
I am running 17" rims and M/T drag radials and they work very well 275/40/17, no spinning at all with a low 11 second car.
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Old 09-30-2009, 12:11 PM
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why would you want to run such a tall tire?
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Old 09-30-2009, 03:17 PM
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Hey neat, will the M/T 26.5 x 10.5 x 16 fit on stock C4 wheels? The Camaro/Firebird wheels are 16X8 while the stock C4 is 16X8.5. Not sure if the extra 0.5 will make a difference. Thanks
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Old 09-30-2009, 05:50 PM
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Originally Posted by Mr. Dude View Post
will the M/T 26.5 x 10.5 x 16 fit on stock C4 wheels? The Camaro/Firebird wheels are 16X8 while the stock C4 is 16X8.5.
The P255/50R16 MT ET Street tire is equivalent to a 26 X 10.50R16 and is recommended for a 7 - 9"' rim

Last edited by rodj; 09-30-2009 at 05:54 PM.
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Old 09-30-2009, 08:23 PM
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Originally Posted by Mr. Dude View Post
Hey neat, will the M/T 26.5 x 10.5 x 16 fit on stock C4 wheels? The Camaro/Firebird wheels are 16X8 while the stock C4 is 16X8.5. Not sure if the extra 0.5 will make a difference. Thanks
yes it will fit
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Old 09-30-2009, 08:36 PM
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Awesome! You guys have really helped me a lot. Now I have a little bit of know how so I can go and get some wheels and tires!
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Old 10-01-2009, 05:42 AM
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I would run MT 315x17x35 drag radials with the 17 in wagon wheel they are cheap wheels and will serve you well on the street.The MT street slick sucks and I could get the DR to hook better the drag slick.
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Old 10-01-2009, 06:22 AM
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Originally Posted by pablocruise View Post
I know there are a few C4 guys that run 28's. Some of them are over inthe drag race section. I have 27's. It gives me great MPH but does not ET / 60 ft. very well as you might surmise.
To me, that would depend on the gear being used or if the OP is intending a change. I like the 28 works and well when using a 4.10 or 4.30 ratio. I used a typical calculator to get a starting point based on circumference v.s. gear, v.s. rpm, v.s. 1320 ft. etc.
Originally Posted by REDC4CORVETTE View Post
You will have to grind the fins, rear brakes only.
Isn't that because of the weld 2 piece wheel having a weld that runs into caliper? How much grinding was needed for them to fit?
To the OP, there are quite a few really nice rims out there, Bogarts, Billet spec. etc. however most use the weld because they are a good rim for the money....don't forget to put in good 3" studs.

Last edited by mseven; 10-01-2009 at 06:36 AM.
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Old 10-01-2009, 09:47 AM
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I might give these a try. Anyone have them? They fit a 17" rim. The widest I see is 275 though.?






Mickey Thompson's legendary race tire technology comes to the street with the ET Street Radial. Built using the latest in high tech radial construction techniques and years of drag racing experience and compound development, this D.O.T. approved street legal drag radial will get your car down the track in record time and drive you home with sure handling and an excellent ride.

Soft Compound For Superior Traction On The Drag Strip
Radial Construction for Excellent Ride Control on the Street
Low Void, Directional Tread for Maximum Dry Traction
Special Sidewall Construction for Quick Launches.
CAUTION: It is not recommended that radial and non-radial tires be mixed on the same vehicle..


MICKEY THOMPSON COMPOUND SELECTION CHART

Medium--------------------------------------------------------Soft
R2

R2 - Special Compound for ET Street Radial



http://www.mickeythompsontires.com/s...ETStreetRadial

Last edited by rickneworleansla; 10-01-2009 at 09:56 AM.
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Old 10-01-2009, 10:04 AM
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Originally Posted by rickreeves1 View Post
I might give these a try. Anyone have them? They fit a 17" rim. The widest I see is 275 though.?




Hands down best DR on the market IMO

I've been running the 275 on my car (track days) for over 4 years and have been verrrrrrry happy with them. They do make larger sizes, but I believe the tread pattern is slightly different (I think they're the same compound though).
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Old 10-01-2009, 10:06 AM
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Originally Posted by rickreeves1 View Post
I might give these a try. Anyone have them? They fit a 17" rim. The widest I see is 275 though.?
ET Street Radlal II
PN-3744R P315/35R17 (26X12.50R17) R2 11.0-12.0 rim 11.7 tread25.8 height 81 circ.
PN-3745R P295/45R17 (28X11.50R17) R2 9.5-11.0 rim 10.6 tread 27.2 height 85circ.
I have 295x45x17 which was a 27.7 (28) x10" tire, they have since changed the 295 size slightly. Hoosier also had some good tires.
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