LT1 Engine Removal

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Jan 7, 2018 | 01:40 PM

#21

twichy2011

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Instructor

Joined: Jun 2016

Posts: 213

Likes: 59

From: North Augusta, South Carolina

Quote:

Originally Posted by jmgtp

I’ve got this job coming up hopefully next winter for a cam swap so this has been a good thread to see, thanks for adding pics. I’m hoping to be able to pull it with the belljousong still attached but we’ll see. I have the happy hooker as well.

Noticed you have LS1 coils mounted to the valve covers with the EFI connection brackets. Their website last I looked said something about not working with LT1 valve covers due to a unique grommet. Did you have any issues?

The EFI brackets only work with the 92 Magnesium Valve Covers. The composite valve covers are the ones the brackets won't work with. The only issue I had was fitment issues with the coils. The specific style bracket I bough puts some of the coils in the way of the AIR piping. It will be a stretch to get the motor out with the bell housing attached. I think it could be done if you pull from the front, but I don't think there was near enough room to pull from the side with the bellhousing attached. The job isn't bad if you have all of the equipment needed for the job. I couldn't imagine doing it without the happy hooker.

Do you have/or are you planning to switch to LTCC?
If you have any other questions feel free to ask!

Connor Coughlin

Last edited by twichy2011; Jan 7, 2018 at 01:41 PM.

Jan 7, 2018 | 07:24 PM

#22

jmgtp

Drifting

Joined: Aug 2009

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Thanks, I have a hoist and I've done motor swaps before, just not on a C4 yet. I was planning from the side so I could leave the hood on. No biggie if I have to pull the trans/bellhousing first but wouldve been nice to leave the exhaust and C beam in place, less work.

I've had LTCC kit for probably more than 5 years now, no issues. I run fabricated aluminum valve covers that the LS1 coils bolt to, but with the cam swap I'm hoping to go back to the LT1 plastic valve covers. Guess the EFI Connection brackets are out for me, will have to find something else. Easy to fabricate something that works, hard to fabricate something that's pretty.

Jan 7, 2018 | 07:58 PM

#23

1993C4LT1

Race Director

Joined: Oct 2011

Posts: 16,076

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From: Dallas Texas

2025 C4 of the Year Finalist - Modified

Jmgtp, nice to hear you've been on LTCC that long. I have it as well. Sorry to go off topic Connor. But do you guys think the timing cover gasket and front hub are doable without engine removal?

Jan 7, 2018 | 08:43 PM

#24

twichy2011

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Instructor

Joined: Jun 2016

Posts: 213

Likes: 59

From: North Augusta, South Carolina

Quote:

Originally Posted by 1993C4LT1

Jmgtp, nice to hear you've been on LTCC that long. I have it as well. Sorry to go off topic Connor. But do you guys think the timing cover gasket and front hub are doable without engine removal?

Timing cover gasket will be very doable, the hub gasket imo almost impossible without lifting the motor up. I think there is a special hub puller made for the c4 lt1 if I'm remembering correctly. Also something to note, none of the hub installers that you can rent from autocrats stores will work with the lt1. What you need to do is either go to a hardware store and get something like a B8 7/16" (I think) threaded rod and a Grade 8 washers of varying sizes that will engage the hub and a nut to push the hub on. That is unless you already have a way to push it back on.

Good luck!

Connor

Jan 16, 2018 | 09:27 AM

#25

twichy2011

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Instructor

Joined: Jun 2016

Posts: 213

Likes: 59

From: North Augusta, South Carolina

Got everything up and running last week! Seems to be running fine so far!

Here is a link to a video with before and after x-pipe install with shorty headers:

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