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C4 corvette - 5.3 "LSX" engine swap project [PICS]

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Old 09-29-2010, 01:47 PM
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This harmonic damper is not fun to install
Old 09-30-2010, 07:10 AM
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Originally Posted by redmen031
This harmonic damper is not fun to install
Hahaha! 240 ft/lbs isn't easy when you're in a spot like that!! I almost broke my thumb doing mine, torque wrench slipped at the most inoppertune time!
Old 09-30-2010, 11:03 AM
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Just lock up the crank/flywheel.. then use a 3 foot Cheater bar.. can be done very easy that way.. I used a 4 foot on, you can almost one hand it to 240#'s
Old 09-30-2010, 03:26 PM
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Originally Posted by bczee
Just lock up the crank/flywheel.. then use a 3 foot Cheater bar.. can be done very easy that way.. I used a 4 foot on, you can almost one hand it to 240#'s
Yeah that part shouldn't be toooo bad, however I need to make a longer bolt to be able to pull the damper on. The stock bolt wont reach. Oh well, should be able to find time to get this thing on by Friday so I can still install the engine on Sunday.
Old 10-01-2010, 09:33 AM
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Some have heated up the Balancer up (in hot water, oven, etc) to aid in it slipping on far enough where a longer bolt isn't needed.. (I used a longer bolt myself).
Old 10-04-2010, 10:07 AM
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Well I made the longer bolt and heated the balancer up in the over and it's on! Didn't get around to putting the engine in the car though, looks like it will have to wait until next Sunday.
Old 10-04-2010, 09:44 PM
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Sweet. Great to see the CFI go and the LSx come in.

I did the CFI to LS1 swap last winter. Here is my thread which might give you some ideas since your doing a similar old-new motor combo swap, especially if your doing a 4L60E or planning a similar fuel system scheme.

http://forums.corvetteforum.com/c3-t...l60e-swap.html
Old 10-05-2010, 11:22 PM
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Originally Posted by MN-Brent
Sweet. Great to see the CFI go and the LSx come in.

I did the CFI to LS1 swap last winter. Here is my thread which might give you some ideas since your doing a similar old-new motor combo swap, especially if your doing a 4L60E or planning a similar fuel system scheme.

http://forums.corvetteforum.com/c3-t...l60e-swap.html

EXCELLENT thread!!! I'm going to read through it a few more times. I'm sure I'll have a few questions for you, thanks and good work on the vette
Old 10-07-2010, 02:07 AM
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Wow that's a lot of progress...keep it up...
Old 10-14-2010, 08:15 AM
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The engine did go in this past Sunday! It took a fair amount of time trying to get it in there, it seemed like nothing was lining up at first. But after alot of messing around with it she finally went into place. So far the engine is loosely bolted to the engine mounts, I still have to hook up the transmission to the engine though. Pictures to follow shortly.
Old 10-14-2010, 10:15 PM
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Flywheel




Spacer to be installed




Spacer installed




Notice the holes where the converter bolts up to on the flywheel have been elongated in order for the flywheel to fit the converter




LS1 motor mount adapter






New motor mounts















Almost have the motor seated




Motor seated and pin being installed












Intake manifold tossed on just to see how it will look










Still need to bolt up the trans...Should be able to get that done this weekend if the weather cooperates.
Old 10-14-2010, 10:22 PM
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Looks good man keep it up!
Old 10-15-2010, 08:00 PM
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man thats awesome

id definitely get rid of the red loom though
Old 10-16-2010, 12:35 AM
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Originally Posted by Irish350

id definitely get rid of the red loom though
x2 on that.
Old 10-16-2010, 12:56 AM
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Originally Posted by LilJayV10
x2 on that.

x3 on it.
Old 10-16-2010, 01:44 PM
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x4 haha

Yes the red loom is history, I have all new black loom ready to go in
Old 10-16-2010, 02:42 PM
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Id suggest a RMS before the trans goes in. The original doesnt look so hot
Old 10-16-2010, 04:04 PM
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Redman,
I see you went to the time and cost of painting your engine. Why didn'y you clean your engine first? As in different wire wheels on a drill. Super easy and maybe 1/2 hour of time. Makes for a much cleaner paint job.

Keep the pics coming !
Old 10-16-2010, 04:25 PM
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I love C4s and this thread delivers. A lot of the pics aren't showing up though, is it just me?
OP, what's with the mess of a wiring harness? I've never seen anything that bad, ever.
Old 10-16-2010, 04:30 PM
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Its the original engine harness

You can clearly see the old style MAP and IAC connectors. Doesnt look like he's begun to wire in the new engine


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