Conversions & Swaps LSX Engines in Non-LSX Vehicles
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Old 04-26-2012, 08:43 PM
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In the process of putting an Ls1 in my 90 lx hatch. I picked up a stock 99 ls1 with arp bolts dirt cheap. Motor is ready to assemble. Ill run thru a quick rundown of all the parts. Just curious to what kind of power this thing "should" make. I know lots of variables factor, but trying to get a rough idea.


99 shortblock 60k miles w pistons notched

241 heads ported and polished

Lunati .650 springs, lightweight steel retainers, hardened locks.

217 cc intake runners / 81 cc exhaust ports 61 cc chambers

Flowed on a 3.9 in bore @ 28

IN. EX.
.100 69 53
.200 159 122
.300 201 155
.400 228 176
.500 262 201
.600 288 221
.650 297 226
.700 303 228

Trex V.2 .610 .615 242 248 @ .050 110+2 centerline on a 110 lsa
w 7.350 pushrods

10.9 compression

victor jr carb intake

750 hp holley

msd 6010

kooks 1 7/8s Headers

full 3 in exhaust with x pipe and 3 in tail pipes.

Tremec 3550 with spec stage 3+ clutch, Aluminum Flywheel

4.10 gear in 8.8.

will also be putting a nitrous plate kit of some sort on it also. with 150-200 on it. Just curious what kind of power i should expect on motor and spray. Car should be about 2900 or so with no driver. full tubular front and rear suspension. Thanks for any help in advance. This car has been sitting for 7 years cause of it kept busting pistons on the last combo. and wanting to try something different. Im thinking it should run high 6's / 10s on motor. not sure on spray....

Last edited by onequiklx; 04-26-2012 at 10:00 PM.
Old 04-27-2012, 09:55 AM
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I don't know, but here's a bump^^^^.




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