Hi Guys,
It's been awhile. I just bought a 74 suburban with 454 and T400 and A/C. Will be installing in my 66 Chevelle which currently has a 350 - 4spd.
I see alot of partial answers but would love the answer in one spot.
1. current car original malibu has 350 /4spd/PS/no air.
2. what engine mounts?
3. what needs to be done to tranny crossmember?
4 drive shaft?
5 clearance issues?
6. best headers fit / price?
7. Any additional suggestions would be GREATLY APPRECIATED!!

Thanks in advance..........Jeff

your 350 mounts should work fine.
Shouldn't need to anything to the crossmember.A new trans mount will probably be needed.

your 350 mounts should work fine.


I don't think so.
otherwise why would there be different big and small block engine mounts.

You will need the Big Block mounts like on the 66 SS396 cars.

I am not an expert on transmission stuff, but if your combo came out of a truck, isn't there long, and short tail T400 trans?? That would be a factor for your driveshaft length.

I don't claim to know this stuff 100% but enough, to know that these need to be addressed, for your swap.

Good luck.