Engine swap

120

Asked by Tim Feb 03, 2017 at 04:54 AM about the 1988 Chevrolet Caprice Classic Sedan RWD

Question type: Maintenance & Repair

Hey guys
I have an 1988 Chevy caprice with a
standard 305 in it. I have a 2 part question.
1.) If I swap my engine to a 5.3/ 5.7/ or 6.0
do I have to swap my transmission also.
2.) what would be the best cost efficient
truck to swap engines from that would
drop right in or that would drop in with
minor work on my 88 caprice.

19 Answers

188,355

It will fit and tes you need the tranny, the most cost method is swapping with the same engine...

7 people found this helpful.
120

I want more power than the 305 thinking a 6.0

8 people found this helpful.
220,965

I think you would have grief dropping in a 6.0L engine.

5 people found this helpful.
101,585

I would swap in an engine/tranny combo, but be forewarned length of driveline will likely change so your current driveshaft will not work, and if you increase weight significantly you'll have to bump up brakes and springs. 305 and 350's share the same block, so no significant changes there, can even use same engine mounts.

5 people found this helpful.
840

I can tell you now, any LS swap into a box caprice will need aftermarket motor mounts. Also, driveshaft will need to be shortened approx. 2-3 & 3/4 inches depending on tranny you run. Also, headers clearance. Headers usually hit steering column, oil filter adapter, or starter plate. Power steering pump pulley may hit gear box on steering column as well. All issues are not too bad, jus takes a little patience. I just recently dropped a big block vortec from a 1999 Chevy Suburban into my 1990 Caprice, but since I have the first generation vortec which still carries the cast iron heads instead of the newer aluminum heads, my motor isnt considered an LS. So I was able to use the same motor mounts, same oil pan (with a little mallet work...smh), power steering pulley, modified flexplate bekuz of my custom stage 2 4L60e trans build, shortened driveshaft 3 and 3/4 inches, & thts it really. I had clesrance issues for headers, so I ended up settling for the stock exhaust manifolds with smog plugs & my car hauls ass. Dual exhaust with x-pipe cat delete magnaflow super 40 exhaust makes it sound aggressive and clean. Recommend tht set up to anyone.

73 people found this helpful.
120

@ Sam thanks for your feed back. Would love to know how much was your set up. And did you do it your self or a professional shop.

4 people found this helpful.
60

Muscle rods everything u need brotha. I have 87 2 doors 6.0 and yes shorten drive shaft. But that’s it. Good luck

6 people found this helpful.
30

will a engine and transmission from a 1983 Chevy caprice fit in a 1987 Chevy caprice

3 people found this helpful.
840

@Tim Did majority of the work myself with some help from a buddy of mine but no shops were involved in my swap.

11 people found this helpful.
20

Hey guys I have a 1994 caprice classic and I just brought a 5.3l which I want to put in can anyone point me in the right direction to find new headers, mounts, and a in take the is not so tall please

2 people found this helpful.
30

What year model truck can I put a 91 caprice classic motor in

3 people found this helpful.
20

I just put a small block Chevy 350 in my 1987 Chevy caprice classic brougham took my 305 out but now i got to yank the transmission back out either my plate or torque converter is knocking but transmission is shifting smoothly any ideas for new torque converter that will also give more power

1 people found this helpful.
20

And also what is a good serpentine conversion kit for Chevy 350 from v belt system

1 people found this helpful.
20

I have a 84 caprice that I just put a 468 big block with a th400 trans. I’m having trouble finding headers to fit can someone help!?!?!

2 people found this helpful.
10

Will u have to upgrade the rear-end suspension??

1 people found this helpful.

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