350 engine with stock 5 speed tranny

[chevyt454]

I want to put a stock 350 4 bolt in my car. Are there any upgrades I need to do to my stock 5 speed tranny?

[BonzoHansen]

My $0.02: No. Wait till/if it breaks then deal with it then. Drag radials/slicks may be a bad idea.

[//<86TA>\\]

no point upgrading the t5. so long as you use the clutch, dont powershift, no high rpm clutch dumps, the t5 should survive as it is. You can swap it for a WC t5, its a little stronger, not much, but still cheaper than a t56 swap or a tko.
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[chevyt454]

Thanks!

[GP99GT]

FYI i broke a world class T5 with a stock 302 and street tires...something to keep in mind

dont powershift it

[V]

and just to throw it in there, 88-92 T5s are WC.

im not sure what year your iroc is.