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Topswap or SSM90, which is best?

BlackGT97

BlackGT97

New member
after my list of n/a mods, i have come to the conclusion to topswap.
would it be better to buy a kit from zzp, or should i buy a used l67 and swap everthing over.
also, what can i do to help my transmission. shiftkit? hardened shaft (trans is from 97 and i know it will probably be gone soon)
i plan on nothing special, maybe 3.6 pully w/supporting mods.
97 grand prix.
 


Like I've said before...

You'll need a new transmission because that vacuum powered 4T60E junk won't hold up to anything.

It would be more cost effective to just buy a '99+ car.
 
it may not be the 4t60. it was a salvage car and i know the motor was swapped. dont know about trans. any way to verify
 


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