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2004 LS1 engine w/41K miles, just after I got it home
Had to machine the alternator bracket .760" to match the C5 Underdrive Balancer & LS2 water pump
Engine after complete dis-assembly, new cam, head work, intake & oil pan mods
Engine & tranny on new K-member (part of V8 Roadsters Kit)
Interior had to be gutted for wiring & tunnel/firewall mods
Photo just before the cutting, grinding & welding on the firewall (I put an ABP out to the daughters for all their unwanted sheets & blankets - told them it was for a good cause)
Seam sealer was applied to all welded areas (in & out)
Prep, primer & paint
Gold foil reflects back 78% of what it sees
Shifter pops up 5/8" back from stock. Can't tell with the boot in place.
Differential support braces welded in after pinion angle was set
Nightmare on Wire Street... 121 wires (blue tape is a good friend)
Heat sheathing installed, interior/dash making it way back in.
Joined: Jan 15, 2012 Posts: 85 Location: Lawton, Michigan
Posted: Sun Jan 15, 2012 3:40 pm Post subject:
The conversion or engine swap consists of a modified 2004 LS1 engine out of a Corvette, a T56 Tremec 6spd transmission out of a 2004 Pontiac GTO, and the Differential is a new GM Cadillac CTS Getrag. 382 RWHP, 353 Ftlbs torque. Its a blast to drive
Not sure what top speed is (PCM Speed Limiter is disabled ), but I've had the car up to 166mph at a MIS track session. For those who might ask about gas mileage... 34mpg+ at highway speeds.
Last edited by K5 on Wed Jan 18, 2012 5:42 am; edited 1 time in total
Joined: Nov 09, 2009 Posts: 53 Location: Middletown NJ
Posted: Mon Jan 16, 2012 6:42 pm Post subject: Nice
Thats a lot packed into such a small package. Back in the day I helped my brother inlaw shovel a vet engine into a 58 MGA with a cut down ford rear. That car was a beast in it's time the damn thing could dowheelies off the line. Now it just slow restos on bikes. _________________ Youth....... wasted on the young.
Joined: May 28, 2009 Posts: 423 Location: chicago area
Posted: Tue Jan 17, 2012 5:39 am Post subject:
VERY NICE! I remember a guy back in my home town that had an early (gen 1) model with a regular carbed 350 in it. that thing was scary fast back when he gave me a ride in it. (92 or 93) it was running headers to straight pipes but it didnt look NEARLY as clean as yours.
Here i thought i was hot cause i had a rotary courier (ford courier with an RX7 motor) and a 280z with a vortech v6 back then.
i tried to race the miata, not even close. lol
right now im trying to convince my wife i need a truck, she's not buying the fact that i ABSOLUTELY must have a pre-68 chevy rather than a late model dodge...
its not going so well, i think im going to try to split the difference and get an 80's dually. (as long as its diesel) _________________ No, actually I DONT sleep much, I have M.A.D.D (motorcycle attention deficit disorder, means i change bikes about twice a year) drink too much coffee, have too much energy and dont do much besides work and motorcycles.
Joined: May 28, 2009 Posts: 423 Location: chicago area
Posted: Tue Jan 17, 2012 11:15 am Post subject:
zjeppe wrote:
You didn't need a "shoespoon" to get that in place
well, it involved an oxyacetylene torch and removing half the "weight" of the inner firewalls... and a TON of creative engineering. i think it was easier than the 351 powered pinto wagon my buddy built about the same time. THAT was a PITA, we grafted in a whole new sub.
i wrecked going a "tad" hot into a curve in fall of 93, went into the ditch and the whole front end crumpled. he still had the pinto the last time i saw him in '03. Wineberry red with a red velour interior.
ahhh to be young, dumb, invincible and live with mom and dad again so i can afford all the wild things we do with motors. _________________ No, actually I DONT sleep much, I have M.A.D.D (motorcycle attention deficit disorder, means i change bikes about twice a year) drink too much coffee, have too much energy and dont do much besides work and motorcycles.
Joined: Jan 15, 2012 Posts: 85 Location: Lawton, Michigan
Posted: Tue Jan 17, 2012 12:32 pm Post subject:
Pinto! Haven't seen one in decades, but the car sounds like it would get with the music
Hopefully you didn't get too banged up. Its funny how we look back and wonder how we're still alive today.
Here's some more details on the swap.
Used a V8 Roadsters kit. It comes with a new front K-member, new drive axle, (2) 31 spline half shafts, differential plates, new axle hubs, new ARP studs, motor & tranny mounts, main rail supports and all the fasteners (grade 8 ) . The biggest job was widening the tunnel (about 2"). The wiring harness is now available from several vendors. They come in two lengths, one for locating the PCM in the glovebox, the other to go behind the passenger seat. The project took me about 3 months, everyday after work & every weekend back in Feb-May, 2009.
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