EL CAMINO 89 Caprice engine and 700r4 transmission

[83 elk]

This my first time working on a project and I would like to know can the Caprice engine and 700r4 transmission work with an elcamino, and also would the rear end.

 

[olds307 and 403]

The driveshaft needs cut and may need the frame extension for the trans cross member.

 

[Qdub24]

The engine is just an SBC; will drop right in, but may be a TBI engine. The 700R4 will require a cut and balanced driveshaft, and a new or modified transmission crossmember. That weak B-body rear isn't worth the hassle of installing in a G-Body.

 

[83 elk]

Alright thanks

 

[oldsmobile joe]

and a new or modified transmission crossmember

I've successfully installed the original crossmember on two 700r4 upgrades. by angling the crossmember and using 3 out of the 4 mounting holes, the crossmember will fit.

 

[Ribbedroof]

~~~That weak B-body rear isn't worth the hassle of installing in a G-Body.

Not arguing, just thinking out loud...

Would that not be an 8.5 rear?

I know the width is wrong, and the upper mounts differ, but with the price of G body 8.5s, might merit looking into adapting with aftermarket uppers and high offset wheels. Have considered looking at having one narrowed versus going to a 9 inch, since I have access to several B body rears and there's a lot of trucks with better gears in the yards.

 

[Qdub24]

Not arguing, just thinking out loud...

Would that not be an 8.5 rear?

I know the width is wrong, and the upper mounts differ, but with the price of G body 8.5s, might merit looking into adapting with aftermarket uppers and high offset wheels. Have considered looking at having one narrowed versus going to a 9 inch, since I have access to several B body rears and there's a lot of trucks with better gears in the yards.

No, unless it's a 9C1 (police) Caprice. Not all B-body rears are 8.5" rears, and not all of the 8.5" rears have LSDs(posi). Also, all of the B-body 8.5" rears have the 5x5 bolt pattern, not 5x4.75 like G-bodies.

 

[Qdub24]

I've successfully installed the original crossmember on two 700r4 upgrades. by angling the crossmember and using 3 out of the 4 mounting holes, the crossmember will fit.

A proper, stronger crossmember made specifically for that swap cost no more than $300.

 

[TURNA]

 

[Qdub24]

I prefer new an upgraded parts on my rides:
1978-1988 Malibu, Monte Carlo, El Camino, Cutlass, Grand Prix, Regal Crossmember – 700
$229.00
https://crossmembers.com/product/19...ino-cutlass-grand-prix-regal-crossmember-700/