Results 1 to 11 of 11

Thread: Olds 350 - Footprint Smaller than 6.2/6.5?

Hybrid View

Previous Post Previous Post   Next Post Next Post
  1. #1
    Join Date
    Mar 2000
    Location
    Brighton, CO, USA
    Posts
    443

    Question Olds 350 - Footprint Smaller than 6.2/6.5?

    I just picked up a 1948 Chevy 2dr coupe - has a rebuilt SBC gasser and TH350 auto currently, but I just can't get that excited about that set up.

    So I"m thinking a diesel swap is in order...

    For those of you that have had both a 350 diesel and a 6.2/6.5, is the 350 any smaller externally? The 48's engine compartment is a little tight widthwise; the SBC fits fine but there is not a lot of extra room.

    Thanks.

    Joe.
    2006 Chevy K2500 LLY Duramax/Allison Crew Cab!
    1996 Chevy C2500 6.5 auto Ext. Cab LB

  2. #2
    Join Date
    Sep 2014
    Location
    So Plfd, NJ
    Posts
    16

    Default

    I couldn't say for sure but ive heard the olds 350 is the same size as as sbc. The 6.5 is about the same size as a big block motor.
    Last edited by AfterhoursFab; 09-08-2014 at 16:02.
    '99 Suburban 6.5TD
    Facebook.com/AfterhoursFabrication

  3. #3
    Join Date
    Feb 2000
    Location
    Montana
    Posts
    11,398

  4. #4
    AKMark is offline Building another 6.2L powered vehicle
    Join Date
    Dec 2006
    Location
    North Pole, Alaska
    Posts
    400

    Default

    I would stay away from the 350, as it's a BOP motor. Much easier to use a Chevy motor to help finding transmissions for it.

    I've driven a few 350 Diesels, they aren't horrific, but the 6.2 is better, and a Turbo'd 6.5 is better than a 6.2.
    05 2500HD CC LB LLY, 4x4, 3.73s 235/85R16's, webasto cab heater, to keep it warm.
    03 Buick Rendezvous - When you average over 80 miles per day driving around, you need one of these.
    85 K-5, 6.2, SM465, Rockwell T221, 1 tons, 36's. More goodies to be installed as time and money allows.
    82 K20, 6.2, SM465, NP208, stock except for bed rack, snow plow, and glow plugs are on a toggle switch. It works great for plowing!
    72 Postal Jeep - Yet another project

  5. #5
    Join Date
    Sep 2014
    Location
    So Plfd, NJ
    Posts
    16

    Default

    Ah yes the trans bolt pattern is different too. But i guess if you could source a 350d then id guess there could be a trans hanging off it as well. Your better bet may be a small 4cyl motor like an early 80s Benz. They use them a lot for Jeep swaps, would be cool to have in that car altho its npt bowtie.
    '99 Suburban 6.5TD
    Facebook.com/AfterhoursFabrication

  6. #6
    Join Date
    Mar 2000
    Location
    Brighton, CO, USA
    Posts
    443

    Default

    Actually, adapter plates to go from BOP to Chevy trans and vice versa can be had pretty easily for not too much $$, so that shouldn't be a deal killer.

    I've thought about the 6.2/6.5, but am wondering if it would be too heavy. I was thinking the olds diesel would be lighter, although maybe not by that much. The existing car front suspension is coil sprung - I could probably get higher capacity springs.

    I'd also like decent performance; not sure the olds 350 could get there. Probably need a turbo with low boost - even then it might not hold up.

    The easiest would be a MB 5-cyl turbo, but I was hoping to stay all GM if possible.

    Thanks for the input so far.

    Joe.

Posting Permissions

  • You may not post new threads
  • You may not post replies
  • You may not post attachments
  • You may not edit your posts
  •