[Goat]

Im thinking of running my 700r4 that is in the truck and Im wanting to use a motor from a gtp and not sure if its possible. I really dont want to use a camaro/firebird motor.

So is there a adaptor thats available?

 

[Krod]

The blocks are identical. You do not need a different transmission bell-housing since the transmission mounting surface is identical.

If you want to go 700R4, you need one from a 2.8L gm v6. Build it with the v8 trans goodies and you're good to go.

 

[Gearheadscott]

I have a front drive 3800 with a 4l80e (RWD). There are a few adapters out there available but the price is not reasonable. I made my adapter and incorporated it into my mid plate. I still have the pattern if interested. I also had a custom converter made with the pilot on the converter turned out nice.

 

[n0dih]

Yup, I would recommend this too.

you can get a 96-up 4L60E with the removeable bell housing and just get a V6-60 bell on a V8 trans and call it done. Even a 4L60E/4L65E/4L70E.

The blocks are identical. You do not need a different transmission bell-housing since the transmission mounting surface is identical.

If you want to go 700R4, you need one from a 2.8L gm v6. Build it with the v8 trans goodies and you're good to go.

 

[Krod]

I have a front drive 3800 with a 4l80e (RWD). There are a few adapters out there available but the price is not reasonable.

There are VERY affordable adapters out there that make this swap cake.
Chevy 4 and V6 to TH350 Adapter Plates

$65 is a great price, and certainly cheaper than a new bell. And again, there is no difference between the FWD and RWD 3800 Series blocks (FWD v. RWD)

you can get a 96-up 4L60E with the removeable bell housing and just get a V6-60 bell on a V8 trans and call it done. Even a 4L60E/4L65E/4L70E.

Absolutely the cleanest way if you want to have it just bolt up.

 

[Gearheadscott]

That is exactly the one I used as my pattern. I wouldn't trust it for much HP but "normal" use should be fine. Make sure the pinion adapter isn't to long to go into crank and doesn't force the converter into the trans to far. This is your easiest solution.

 

[DRAGSTER ONE]

Has anyone tried to bolt the 3800 to a powerglide?

 

[dezldave961]

Holy Zombie Thread Resurection, Batman!

Possibly some Aussies; they've built some fast 7-9sec setups over the years. A couple of 8-9sec US guys ran TH400's. (Tim King's Firebird, Chris Hoenle's RWD converted GTP).

 

[Cat motorsport]

Has anyone tried to bolt the 3800 to a powerglide?

like this??

 

[dezldave961]

Not that I've seen posted, but maybe without any fanfare, like the couple Aussie's who've built some 7-8sec beasts swapped into small light truck chassis.

A few TH400's on drag projects have done well: Tim King's 8.9sec Firebird, Chris Hoenle's 9.3sec RWD GTP conversion.

I think the torque/HP/rpm range of this engine doesn't typically favor less gears without being at that very high level reached by less than 5 builds, mostly vedor-supported.

 

[Manny554]

The blocks are identical. You do not need a different transmission bell-housing since the transmission mounting surface is identical.

If you want to go 700R4, you need one from a 2.8L gm v6. Build it with the v8 trans goodies and you're good to go.