DIY: L92/LS3 6.2L swap into C5 FRC
#1
Drifting
Thread Starter
DIY: L92/LS3 6.2L swap into C5 FRC
I'm nothing more than an amateur mechanic with an engineering/manufacturing background, and I love detailed build/progress threads, so here is my humble attempt at documenting my current project.
Everyone loves LS swaps, but this time it's replacing the existing LS in this thing:
2000 Fixed Roof Coupe
I bought it to mainly enjoy as a street car and not really modify since I went off the deep end with my BMW...which I did up until now.
But here we are almost 2 years later and naturally I can't just leave things alone, especially after spending lots of time here:
Did a bunch of lapping days in the summers of 2016 and '17 and got the itch for more power. Beat up on a lot of cars at the track, held my own against some stock new Vipers and R8s in the corners but they drove away from me on the straights, pretty frustrating. I did the math for a heads/cam upgrade on the existing motor and by the time you add in all the supporting hardware and a tune, the gains just weren't worth the expense - especially when a big jump in displacement and head technology is available for not much more. With the exception of valve reliefs in the pistons and sodium filled valve the L92 is identical to the LS3, once you delete the VVT. The plan is a stock bottom end, mild mannered cam with a broad powerband, bulletproof valvetrain, stock LS3 intake, etc. Really as close to an OEM+ setup as I can get.
Nothing wrong with the current LS1, actually runs quite strong for 125k miles. I plan on sticking it in storage for a future project unless somebody makes me a great offer on it.
So here we go. Hop in the car and go see a man about a thing an hour away
2008 Escalade with 78,000 miles is giving its all-aluminum, 6.2L L92 heart after having a tree fall on it in a windstorm.
A few weeks later I had her strapped up and ready to come home
I really didn't feel like dragging the cherry picker out of the shed so a bit of wiggling with the lift arms and it came right off the trailer.
The cool thing about using equipment that you haven't touched in years is that sometimes your "past" self is smart enough to keep the bolts for LS engines zip tied to the motor stand.
Wife: "So you're telling me you're going to take apart a perfectly good running car, again?"
I pulled off the water pump and the exhaust manifolds - was unlucky enough to snap off 2 bolts, one below the surface of the head. Think I'll try the welder trick for that one, we'll see how it goes.
Everyone loves LS swaps, but this time it's replacing the existing LS in this thing:
2000 Fixed Roof Coupe
I bought it to mainly enjoy as a street car and not really modify since I went off the deep end with my BMW...which I did up until now.
But here we are almost 2 years later and naturally I can't just leave things alone, especially after spending lots of time here:
Did a bunch of lapping days in the summers of 2016 and '17 and got the itch for more power. Beat up on a lot of cars at the track, held my own against some stock new Vipers and R8s in the corners but they drove away from me on the straights, pretty frustrating. I did the math for a heads/cam upgrade on the existing motor and by the time you add in all the supporting hardware and a tune, the gains just weren't worth the expense - especially when a big jump in displacement and head technology is available for not much more. With the exception of valve reliefs in the pistons and sodium filled valve the L92 is identical to the LS3, once you delete the VVT. The plan is a stock bottom end, mild mannered cam with a broad powerband, bulletproof valvetrain, stock LS3 intake, etc. Really as close to an OEM+ setup as I can get.
Nothing wrong with the current LS1, actually runs quite strong for 125k miles. I plan on sticking it in storage for a future project unless somebody makes me a great offer on it.
So here we go. Hop in the car and go see a man about a thing an hour away
2008 Escalade with 78,000 miles is giving its all-aluminum, 6.2L L92 heart after having a tree fall on it in a windstorm.
A few weeks later I had her strapped up and ready to come home
I really didn't feel like dragging the cherry picker out of the shed so a bit of wiggling with the lift arms and it came right off the trailer.
The cool thing about using equipment that you haven't touched in years is that sometimes your "past" self is smart enough to keep the bolts for LS engines zip tied to the motor stand.
Wife: "So you're telling me you're going to take apart a perfectly good running car, again?"
I pulled off the water pump and the exhaust manifolds - was unlucky enough to snap off 2 bolts, one below the surface of the head. Think I'll try the welder trick for that one, we'll see how it goes.
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DeeP99 (09-29-2017)
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Roddy13 (10-06-2017)
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project. Looking forward to seeing the next installment.
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nsogiba (09-29-2017)
#11
Drifting
Thread Starter
Now, that's not to say that I won't try out an LSA supercharger a few year down the road when I get used to the NA power.
#12
Safety Car
I am afraid to supercharge without forged internals. I know it is done with good results by some but I am a fan of reliability.
Anyway, I am a huge fan of this kind of build. There should be plenty of NA HP for the street.
Enjoy!
Anyway, I am a huge fan of this kind of build. There should be plenty of NA HP for the street.
Enjoy!
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OldBalz (10-07-2017)
#13
Drifting
Thread Starter
https://ls1tech.com/forums/conversio...-bmw-540i.html
I apologize to all for taking so long to get engine bay pictures, but I wanted to give it a good cleaning first. Here we go:
_DSC4473 by Norbert Ogiba, on Flickr
_DSC4472 by Norbert Ogiba, on Flickr
_DSC4474 by Norbert Ogiba, on Flickr
_DSC4475 by Norbert Ogiba, on Flickr
_DSC4477 by Norbert Ogiba, on Flickr
My favorite feature:
_DSC4480 by Norbert Ogiba, on Flickr
_DSC4473 by Norbert Ogiba, on Flickr
_DSC4472 by Norbert Ogiba, on Flickr
_DSC4474 by Norbert Ogiba, on Flickr
_DSC4475 by Norbert Ogiba, on Flickr
_DSC4477 by Norbert Ogiba, on Flickr
My favorite feature:
_DSC4480 by Norbert Ogiba, on Flickr
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red03vette (10-01-2017)
#15
Drifting
I built an LS E39 sedan a few years ago and had a lot of fun with it. Very comfortable car with big power.
https://ls1tech.com/forums/conversio...-bmw-540i.html
https://ls1tech.com/forums/conversio...-bmw-540i.html
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nsogiba (09-29-2017)
#19
Drifting
Thread Starter
While pulling off the truck manifolds I broke 2 of the bolts, both on the passenger side. One was about 3/8" above the surface, not a big deal. The other was about 1/8" recessed. I never have luck with the "drill it and then proceed to snap off a bolt extractor" method so I pulled out the MIG and welded a nut onto the tall stud.
The little guy beneath the surface actually wasn't bad at all. I built up a puddle of weld until it stuck out about 1/4", and cooled the cherry red blob quickly with a spray of water. The hope was to thermally shock it and break the bond on the threads. Then welded a nut onto the blob, and again shocked it with water.
30 seconds later:
The little guy beneath the surface actually wasn't bad at all. I built up a puddle of weld until it stuck out about 1/4", and cooled the cherry red blob quickly with a spray of water. The hope was to thermally shock it and break the bond on the threads. Then welded a nut onto the blob, and again shocked it with water.
30 seconds later: