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    DuPuis Family Cobra Build

    Haven't been here in awhile, you've made progress! The TKO swap was a good plan. I run TKO's in both of my racecars, no problems with shifting at all. They rev to 6500 on the track. One is a 500, the other a 600. Mine have the .82 5th gear for the track; the cobra has a T5Z with the .68...
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    DuPuis Family Cobra Build

    What year is the donor?? Sorry for not looking back at the prior posts. If it’s a SN chassis the axles are 0.75” longer per side than the fox. The housing is the same. I’d replace all the bearings anyway, easy to do with a press. At very least the pinion bearing as they make a hell of a...
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    DuPuis Family Cobra Build

    What gear ratio in the rear?? Mines got 3:55 I think. It makes a difference with 1st gear functionality too.
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    DuPuis Family Cobra Build

    Post #3... maybe in a bit I can attach some pics! When I built mine I just wanted a nice cruiser. I wasn’t planning to race it, etc. I’ve always loved the look, so with my wife’s blessing I ordered the kit. The patriots had just won the super bowl and FFR was having a big sale. So I became...
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    DuPuis Family Cobra Build

    Ted seems to think it won’t be as “rev-happy” as the stroker 302. It won't be.... the rotating assembly is heavier, the bearings are larger.... But it'll be more than enough to leave double black marks as long as you want to! Torque is where it's at.... Rev's break stuff. My 363's are...
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    DuPuis Family Cobra Build

    Newbie here, just joined the site. Just getting into flying which is why I came aboard. However cars are my hobby. I built a FFR cobra 10 years ago with a 351 and a T5. I currently race a 05 363ci/tko swapped mustang in the american iron group with NASA (national autosport asso.) - road...
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