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-   -   69 Cutlass motor swap (https://www.yenko.net/forum/showthread.php?t=142432)

HawkX66 04-19-2017 07:27 PM

69 Cutlass motor swap
 
I know it's pretty straight forward, but are there any issues that I should be looking for when swapping a 70 454 into a 69 Cutlass? I'm about to pull a NOM 350 Olds out of a friends 69 and put in a 454.
I'm planning on finding something with an overdrive to replace the TH350 that I'm assuming is in it. Any flavor better than the next for that? 4L60? I'd like something with the most straight forward, non-invasive install. The body is nice. He's a car enthusiast, but knows nothing about mechanics so I want to keep it turn key for him after I'm done. He wants a nice reliable cruiser with plenty of power, but no more than a stockish 454.

Ryan1969Chevelle 04-19-2017 07:43 PM

LMK what leftovers come out of this dishonorable multi-brand swap:-)

Fan shroud.... accessories..... etc, etc.

Ryan

HawkX66 04-19-2017 11:53 PM

Quote:

Originally Posted by Ryan1969Chevelle (Post 1349879)
LMK what leftovers come out of this dishonorable multi-brand swap:-)

Fan shroud.... accessories..... etc, etc.

Ryan

Oh boy, had to be one lol...

Ryan1969Chevelle 04-20-2017 12:03 AM

I have seen lots of people use A-Body frames as they interchange so mounts should work on the frame.

Ryan

PS: You may get a rash installing a Chevy in an Olds. :-)

HawkX66 04-20-2017 12:12 AM

Quote:

Originally Posted by Ryan1969Chevelle (Post 1349901)
I have seen lots of people use A-Body frames as they interchange so mounts should work on the frame.

Ryan

PS: You may get a rash installing a Chevy in an Olds. :-)

I've seen plenty on the Olds sites. They remind me of the Mopar guys lol. Very territorial... I'm thinking a 700R4 and the 454 should pretty much slide in. Maybe extend a couple wires for alt. that's on a different side possibly. Driveshaft might be an issue too.

Ryan1969Chevelle 04-20-2017 01:21 AM

I agree.

I was all Chevy till Dr Olds arrived:-)

Ryan

earntaz 04-20-2017 01:39 AM

Quote:

Originally Posted by HawkX66 (Post 1349903)
I've seen plenty on the Olds sites. They remind me of the Mopar guys lol. Very territorial... I'm thinking a 700R4 and the 454 should pretty much slide in. Maybe extend a couple wires for alt. that's on a different side possibly. Driveshaft might be an issue too.

Dave -- been there ... done that. You'll need to move the trans crossmember back as the 700's mount is further to the rear. The driveshaft will need to be shortened. Use same year Chevelle frame adapters for the motor mounts. TAZ

Postsedan 04-20-2017 01:58 AM

You'll have the fastest '69 Cutlass in town :D

Dan

HawkX66 04-20-2017 12:11 PM

Quote:

Originally Posted by earntaz (Post 1349914)
Dave -- been there ... done that. You'll need to move the trans crossmember back as the 700's mount is further to the rear. The driveshaft will need to be shortened. Use same year Chevelle frame adapters for the motor mounts. TAZ

The driveshaft will end up being a pain I think. I haven't got the foggiest idea where to have that done around here. I'm not too far from Detroit and Toledo though, so I'm sure there is something out one of those ways. I'll have to take some measurements once I get everything bolted in. When you moved the trans mount, was it a simple, "drill four new holes" or was it more involved than that? Modify the crossmember?

Quote:

Originally Posted by Postsedan (Post 1349916)
You'll have the fastest '69 Cutlass in town :D

Dan

Now you wouldn't be saying the Olds motor isn't up to snuff against a BBC now would you? :eek: Here come the Olds die hards with their pitchforks!
I probably would have just rebuilt the 350 Olds he has, it's plenty for his needs, but it's like 2-3 times the cost of a Chevy. Not worth it in my book.

L78racer 04-20-2017 03:30 PM

driveshaft- these guys do good work.
http://www.dynotecheng.com/


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