351w tranny question

as a christmas present my friend said he's going to throw the 351w that he isnt using anymore into my car. awesome friend right. what the question i have is will the c4 bolt up from a 250 i6. if i have to change the bell the aod bell will work right?

 

Should bolt right up. I used the regular c4 bell on my 351w.

 

yup, it'll bolt right up like Don said. just be sure to use the proper flywheel for the bellhousing

 

One other thing is that c4 from a 6 cylinder may not last long unless it's beefed up, or you don't abuse it at all.

 

I think he was talking about using the c/4 bell on a AOD trans ??

 

Seems he was asking if he could use a bell from an AOD trans on the C4 if he had to change it. This is not possible though, since the bell is not removable on the AOD trans.

Like was said, the 250 bell will work fine. You will need the correct flex plate for the balance of the engine (don't know about the torque converter).

 

yep you are right should have read it better <<<

 

what flex plate do we need to look into?
what beefing up?

 

I believe all 351w's are 28oz., 57 tooth will fit the bell. Should be easy to find. The one that's on your 250 will bolt up, but it's 0 balance and will cause vibrations. Someone correct me if I'm wrong, I'm just going off vague memory here.

 

351's usually had the larger 164 tooth flywheel or flexplate. He'll need the same tooth count flexplate as the 250, but in 28 oz/in

 

I was speaking in reference to what he will need, to work with what he has...

 

thanks for the information. im really not looking forward to giving up the mav for a week and going back to the cavalier

 

an old 302 flexplate will work. that's what im going to use

 

Right ! I just wanted to make sure he didn't order a 351W flexplate from somewhere and end up with the wrong one.

 

yup, that's true. come to think of it, i dont think ive ever seen a 351w with a 157t flywheel from the factory