im doing a swap from my stock 2.8l engine to a 305 can i just leave my stock 86 firebird tranny in the car or should i get a new one? and if so which ones will be good for it without me having to change alot on the car

thank you in advance

 

As the V6 to V8 swap sticky says, the V6 transmission won't bolt to a V8.

If you get a V8 TH700R-4, it will bolt to the engine, and connect to everything else just like the V6 transmission did.

The 4.3l V6 TH700R-4 is the same as V8 transmissions, so if you find one of those from an S10 or Astrovan, those will also work.

 

is a 700r the same?

 

The same as what?

 

as a 700r-4

 

Yes

 

Let's get this straight: Both the V6's and V8's use the TH700R-4 from 1984 on. But, the V6 TH700R-4 will not bolt to a V8. So, even though they are called the same thing, they are different. You can't make a V8 TH700R-4 from a V6 TH700R-4.

 

ok thank you im sorry about this i trying to get as much info as possible and ive been reading for days i really appreciate all of this