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Old 03-19-2020, 01:51 PM
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1985 CCX 1985 CCX is offline
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Join Date: Mar 2005
Location: Manchester, NH
Cobra Make, Engine: AK1085 (302 Street), HTM111 (427 Comp), CSX2375R (289 Comp) and COB5999 (427 S/C)
Posts: 18,995
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Default MKIV Wheel and Tire "AK1085" conversion

Just wanted to share the transformation from 16" low profile wheel set up to the thinner FIA / Power Cushion set up.

The car is stock and currnet changes are
1 K&N
2 Replaced std steering wheel with 16" correct MKIII version.
3 This change is in wheels/tires....

Original wheels were really not the best with suspension geometry and ride comfort. David Wagner told me that the 15" were indeed better matched to the frame design etc. This was also known in the 80's with Bob B testing for Ford but it sounds like the PO was in at Compo for the 16's. The world may never know.

All changes are a few bolt changes away from reversing. Easy!

Results
Changes in the ride and feel are 100% improved. Ride comfort has improved and handling seems to be on par with the size of tire. (narrow)
Better than one would expect however.... Tracks nicely without and pull.
Tire diameter has changed more so in front as the rear were close around 0.5" change.
Traction, lets face it the stock 302 does not need a big sneaker...
Need to clean up rubber on sidewall, awaiting warmer weather...
Once the rears patina a bit I'll pickle the wheel to keep it healthy then let them age for the vintage look…..
Yes, the car aslo has aton of dust on it thus the flat look. Fresh outta winter hibernation.

https://www.youtube.com/watch?v=n0m4rKsTQkc
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Last edited by 1985 CCX; 03-23-2020 at 07:30 AM..
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