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HEADS UP DISPLAY. A DIGITAL PROJECTED DISPLAY ON INSIDE OF WINDSHIELD CONTAINING VEHICLE INFO SUCH AS SPEED, ENGINE TEMP, RPM, ETC. FOR DRIVER INFOR...
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bearcat Has anyone installed an LS in a C3?
Guru Newb
West Texas
19 Posts
Member since:
2012/12/3 16:58



Offline
No I'm not crazy.
But I am getting closer to retirement and I'm starting to want to give away my old cars to my kids.

My '68 Corvette convertible was born as a 327 300 hp car, with 3.36 gears and a Muncie 4-speed.
But the original engine was long gone.
The story goes that the motor blew when the car was about 6 years old, and then it was parked beside a barn where it sat for many years.

I bought it and restored it. Not having the original engine, I built a monster 427 race engine for it, throwing every trick and modern technology at it, no cost spared.
And it is as quick as it is dangerous.

I want to give the car to my daughter, but I don't want to give her a death trap. So I'm selling the insane 427 and I want to go back to a small block.

I could build up a generation I 327, but improve performance over original. If I could find a date-correct 327, it would be better.

But what about an LS motor? There is an LS version of a "327", which is run in Silverado's and is very powerful. I had a 5.3 in a late model Silverado and it was very quick for a 5000 pound truck.

What needs to be changed to fit an LS in a C3, if I were to go that route?
Cutting or modifying the frame is NOT an option. If that's what it takes, I won't go there.
Posted on: 9/10 3:25
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Matatk Re: Has anyone installed an LS in a C3?
Webmaster
SW Chicago Burbs
21447 Posts
Member since:
2008/1/7 0:00



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I'm not going to pretend I know about the swap because I don't. I just know it's been done multiple times. This is on another site but had great info:

The official C3 LSx swap thread https://www.digitalcorvettes.com/forums/showthread.php?t=105822
Posted on: 9/12 3:27
_________________

1989 Corvette...custom 383 stroker, superrammed and cammed, built trans with PeteK 2800 stall. Mustang dyno results: 336 rwhp / 419 rwtq.
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bearcat Re: Has anyone installed an LS in a C3?
Guru Newb
West Texas
19 Posts
Member since:
2012/12/3 16:58



Offline
Thanks.
The temptation is very strong to put a 327 back in it, warmed up with modern technology. AND...it would be closer to correct, plus much simpler to build.

Still thinking.
The main thing is, it has to be reliable since my daughter's getting the car.
Posted on: 9/15 14:55
_________________
'68 427 Shark
'68 455 Firebird
'52 GMC pickup
'88 C4 Corvette
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Matatk Re: Has anyone installed an LS in a C3?
Webmaster
SW Chicago Burbs
21447 Posts
Member since:
2008/1/7 0:00



Offline
I have to agree with your way of thinking.
Posted on: 9/17 6:19
_________________

1989 Corvette...custom 383 stroker, superrammed and cammed, built trans with PeteK 2800 stall. Mustang dyno results: 336 rwhp / 419 rwtq.
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