The 1947 - Present Chevrolet & GMC Truck Message Board Network

The 1947 - Present Chevrolet & GMC Truck Message Board Network (https://67-72chevytrucks.com/vboard/index.php)

- The 1988 - 1998 GMT400 Chevy & GMC Pickups Message Board (https://67-72chevytrucks.com/vboard/forumdisplay.php?f=12)

- - 4.3L/700r4 to a 5.7L/700r4 (https://67-72chevytrucks.com/vboard/showthread.php?t=474462)

rchavez101

07-13-2011 07:03 PM

4.3L/700r4 to a 5.7L/700r4

I recently called my local transmission shop and got some info that I would like you guys to verify for me. I have a 4.3L and would like to put in a 700r4. Eventually I would like to put in a V8 such as 5.7L which I think is a 350. Would the 350 bolt to the 700r4? They said that the 700r4 would have a special bellhousing to bolt to the 4.3L but possibly would not bolt to the 350. Please let me know you thoughts on this.

rchavez101

07-13-2011 07:04 PM

Re: 4.3L/700r4 to a 5.7L/700r4

Sorry I forgot to mention the truck is a 94 chevy SWB.

Pop's C-10

07-13-2011 07:10 PM

Re: 4.3L/700r4 to a 5.7L/700r4

you should have 700r4 in it already & bolt up it will..

rchavez101

07-13-2011 07:16 PM

Re: 4.3L/700r4 to a 5.7L/700r4

Quote:

Originally Posted by Pop's C-10 (Post 4788654)

you should have 700r4 in it already & bolt up it will..

Pop's I am doing a swap from a manual to a automatic. I was told on this forum that the best way to go would be the 700r4 so I don't have to mess with the electronics. So for know it will be joined with the 4.3L until I get a V8.

Pop's C-10

07-13-2011 08:34 PM

Re: 4.3L/700r4 to a 5.7L/700r4

Ok..i got you..tha 4.3 is most circles a 350 with 2 less pistons.. both it will match up to tha 700..

Hoods69BadBowTie

07-14-2011 02:17 PM

Re: 4.3L/700r4 to a 5.7L/700r4

Yea I believe that both the 4.3 and the 5.7 will bolt right up to the 700r4 which would be a good choice to go with it your going to drop a 350 in it.

bloertcher

07-14-2011 07:37 PM

Re: 4.3L/700r4 to a 5.7L/700r4

The one fact that has been left out,make sure you aquire a V8 700,as the V6 version,while externally identical,is built with weaker components.

rchavez101

07-14-2011 08:12 PM

Re: 4.3L/700r4 to a 5.7L/700r4

Quote:

Originally Posted by bloertcher (Post 4790539)

The one fact that has been left out,make sure you aquire a V8 700,as the V6 version,while externally identical,is built with weaker components.

Yes I am having them build it with the intention of putting a V8 behind it. Thanks for the assurance on this guys.

Pop's C-10

07-14-2011 09:35 PM

Re: 4.3L/700r4 to a 5.7L/700r4

Quote:

Originally Posted by bloertcher (Post 4790539)

The one fact that has been left out,make sure you aquire a V8 700,as the V6 version,while externally identical,is built with weaker components.

Says who..that's like sayin a th350 from behind a 292 is weaker than a th350 behind a sb400.

bloertcher

07-14-2011 11:39 PM

Re: 4.3L/700r4 to a 5.7L/700r4

Says me,who has built hundreds of transmissions.You can believe it,or not.Makes no difference to me.But I can promise you it's a fact.

All times are GMT -4. The time now is 06:51 AM.