403 engine swap

[craig manthie]

i have a 82 cutlass with a 3.8L v6 and i want to swap the v6 with a 403 any advice.

 

[adumb]

i have a 82 cutlass with a 3.8L v6 and i want to swap the v6 with a 403 any advice.

read the stickies?

 

[85 Cutlass Brougham]

Do a search and you will find lots of people with 403's. Basically, find a 307 car and strip it of everything and you will have what it takes to put in a 403.

BTW, there is yet to be a sticky written on this subject.

 

[BosMobile]

go to ROBERT POWERS MOTOSPORTS,great info.i have 83 cutlass/307. ive also got a 403.doin same swap.from what ive reseached,its an easy one.anyhow,v6 to SBO is there too,hope this helps,later BO 😀

 

[joe_padavano]

1. Get a complete donor motor, including all accessory brackets, starter, water pump, flexplate, exhaust manifolds, and pulleys.
2. Get SBO frame brackets (either from a G-body or a 77-90 B-body).
3. Get Anchor #2328 motor mounts
4. Unbolt V6 and remove.
5. Swap motor mount frame pads.
6. Bolt in 307.
7. Fabricate exhaust
8. Start and go.