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Originally Posted by Just1More
(Post 1597578362)
might not be the right place to ask, or maybe not phrasing it correctly ..BUT, what's the biggest meat I can stuff under a '80 without major mods. I've read that relocating the brake cable bracket helps a lot, what about offset trailing arms? Is there anything else that needs to be done when installing offset arms? like shorter spring?
I absolutely love these rims and this look https://www.corvetteforum.com/forums...1&d=1528473838 if email the picture, they may have the specs of wheel/tire combo. I ordered a set from them for my C5 several years ago and loved them! On a C3 I’ve seen 275’s and 285’s. Offset trailing arms help build a gap. I went with 19” wheels with 5.4” backspacing and I’m very close! However I have never rubbed the wheel or tire. The tire just can’t buldge out over the rim. 19” wheels barely clear your spring with an aggressive backspace The fronts are slightly more forgiving. I went with an 18 x 10.5 wheel with 4.9 inch back spacing and I flared the fenders. You could probably fit a 9.5 inch wheels all around and not have to flare your fenders. I hope this helps! Good luck |
The car you have pictured is flared.
If you relocate the handbrake cable on the trailing arm then there is no advantage in terms of wheel clearance with offset trailing arms if you have 17"+ wheels - the tyre will hit the chassis before the trailing arm. You may also need to remove or modify the rear sway bar (if fitted) and shorten the rear spring in order to maximize backspace. I have done this (relocated handbrake cable, shortened rear spring, rebent rear sway bar) on my '79. I run 17x9.5 wheels with 5.05" backspace and 285/40R17on the street, no problems at all except slight rubbing on the frame at full lock on the front. On the track I run 18x10 wheels with 5.54" effective backspace and 295/30r18 semi slicks. These restrict steering lock at the front, probably not great for street use, no problem on the back though. A 295/35R18 is a better diameter, just more expensive tyres - a greater consideration for track use. There's pictures of my car/wheels if you do a search through this thread with my username. I could go a little wider still - my wheels are well within the arches - but both wheels and tyres increase dramatically in price to go wider than this. |
Originally Posted by Metalhead140
(Post 1597580225)
The car you have pictured is flared.
If you relocate the handbrake cable on the trailing arm then there is no advantage in terms of wheel clearance with offset trailing arms if you have 17"+ wheels - the tyre will hit the chassis before the trailing arm. You may also need to remove or modify the rear sway bar (if fitted) and shorten the rear spring in order to maximize backspace. I have done this (relocated handbrake cable, shortened rear spring, rebent rear sway bar) on my '79. I run 17x9.5 wheels with 5.05" backspace and 285/40R17on the street, no problems at all except slight rubbing on the frame at full lock on the front. On the track I run 18x10 wheels with 5.54" effective backspace and 295/30r18 semi slicks. These restrict steering lock at the front, probably not great for street use, no problem on the back though. A 295/35R18 is a better diameter, just more expensive tyres - a greater consideration for track use. There's pictures of my car/wheels if you do a search through this thread with my username. I could go a little wider still - my wheels are well within the arches - but both wheels and tyres increase dramatically in price to go wider than this. |
Thinking 18x10's rear, 18x9 front.. What's it take to do the 18x10's?
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Originally Posted by Just1More
(Post 1597580973)
Thinking 18x10's rear, 18x9 front.. What's it take to do the 18x10's?
https://cimg6.ibsrv.net/gimg/www.cor...ce7401b9f1.jpg https://cimg7.ibsrv.net/gimg/www.cor...a66015fe1d.jpg |
Originally Posted by Just1More
(Post 1597580973)
Thinking 18x10's rear, 18x9 front.. What's it take to do the 18x10's?
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Originally Posted by Kacyc3
(Post 1597497607)
https://cimg5.ibsrv.net/gimg/www.cor...05375ef1f7.jpg
US mags u111 18x8 18x9, 245/45r18 and 275/40r18 had to move the parking brake cable for rears. Haven't checked for rub on the front yet. |
Originally Posted by peter.holm
(Post 1589414812)
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Originally Posted by Hemi John
(Post 1597727621)
WOW! Perfect..... Simply PERFECT!!
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https://cimg5.ibsrv.net/gimg/www.cor...42dd977832.jpg
https://cimg8.ibsrv.net/gimg/www.cor...5e239d3d6e.jpg https://cimg9.ibsrv.net/gimg/www.cor...747f1fbfe7.jpg https://cimg0.ibsrv.net/gimg/www.cor...639514278f.jpg https://cimg2.ibsrv.net/gimg/www.cor...0dfd8e36f2.jpg https://cimg3.ibsrv.net/gimg/www.cor...e26dd42301.jpg https://cimg4.ibsrv.net/gimg/www.cor...a02307d300.jpg 81. I don't know the manufacturer of the rims got them with the car 10 years ago. |
Looks Super! I believe these are American Racing “Daisie’s 👍 ... Are these 10 x 15 in the back? Again, i love it! |
Nice combo, looks fantastic |
Originally Posted by Alex66
(Post 1597780930)
Looks Super! I believe these are American Racing “Daisie’s 👍 ... Are these 10 x 15 in the back? Again, i love it! |
AMERICIAN RACING still makes them. I had them on my 67 and 68 Firebirds. MOTION also used them quite often - sometimes referred to as AR200S
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Yep, Got them too,love themhttps://cimg2.ibsrv.net/gimg/www.cor...8cc41aba7f.jpg
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Offset ?
Originally Posted by terrys6t8roadster
(Post 1597587384)
My 9-car has 18x9 front and 18x10 rear. Rear modifications are; offset trailing arms and shorter spring from Van Steel. Thttps://cimg6.ibsrv.net/gimg/www.cor...2b9912cfe9.jpg
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Originally Posted by 1972.5
(Post 1597811248)
I have the VS tx arms also what backspace/offset are you running ?
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Originally Posted by Hemi John
(Post 1597727621)
WOW! Perfect..... Simply PERFECT!!
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Originally Posted by TX-Techman
(Post 1585879363)
These are the before and after pictures of our 69. The first picture was the day I got her home and the others are after a treatment of Zanio and upgrading the wheels and tires. The new wheels are from American Racing and the tires are 225/70R15 BFG Radial TA. I can't tell you how much the tires improved the ride and drive of the car, was is unbelievable and I love the look.
Attachment 47758048 Attachment 47758049 Attachment 47758050 Attachment 47758051 Attachment 47758052 |
https://cimg8.ibsrv.net/gimg/www.cor...9b0e0868a4.jpg
https://cimg0.ibsrv.net/gimg/www.cor...9b5862d0da.jpg I like the ride and appearance of 15s but the better tires available in larger diameter do well in corners. |
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