We like to be the custom truck guinea pig for you. Whether it be making mistakes during an install, getting so close to finishing a project only to need extra parts, or even buying the wrong parts when we thought they would work, we like to help you know the ins and outs of an install before you crack open the toolbox. When it came time to drop in the GM Performance Parts LSX376 engine into our Project Novakane '04 GMC Sierra, we quickly learned that swapping a high-performance engine where a factory 4.8L once resided wasn't as easy as just bolting it in place.

Ideally, you pull the 275hp engine out, bolt in the 750-plus-hp engine and begin the recreation of Eleanor's last stand in "Gone in 60 Seconds." However, once real life kicks in and you're elbow deep under the hood, you realize that an engine capable of 750 hp needs high-performance parts, and you also learn that there are differences between an LS-based Vortec V-8 that was designed more than 10 years ago and a newer LS3 engine that is one of GM's best ever small-blocks. Here in this story you'll learn what we learned, but without wasting all of the extra money like we had to do. A valuable resource we found when tracking down our engine parts was Summit Racing. Known for go-fast, hot-rod parts, Summit also carries a full line of OE parts that you would typically find at a parts' store. Rather than drive to the store, only to find out the part was out of stock or a special order item, we stayed home and ordered them from summitracing.com. If you're considering pulling your worn-out LS-engine out of your '99-and-newer Chevy or GMC and swapping a high-performance crate engine, here are some important parts to secure before you turn a single wrench.

Parts Used:
Aeromotive injected fuel pressure regulator AEI-13101 $149.95
American Racing Headers long tube headers GMTE78NC $1,375.00
ARP Bolts LS-engine 12-point black bolt kit ARP-534-9705 $263.99
ATI Racing Super Damper and 8-rib pulley set ATI-917339 $952.85
Be Cool direct-fit aluminum radiator BCI-61102 $947.95
Lonnies Performance dual in-tank pump kit $675.00
Powermaster XS torque starter PWM-9509 $235.95
Summit Racing camshaft position sensor SMP-LX756 $34.95
Summit Racing crankshaft position sensor SMP-PC273 $49.95
Summit Racing MAF tuned for cold air SUM-29007B-C $294.95
Summit Racing motor mounts AXT-2909 $54.95 (2)
Summit Racing oil pan gasket SUM-G2334 $39.95
Summit Racing oxygen sensor BCH-15733 $68.95 (2)
Summit Racing throttle position sensor ACF-213-912 $39.95
Summit Racing coolant temp sensor SMP-TX89 $19.95
Summit Racing water pump AAZ-58-626 $73.95
Summit Racing upper radiator hose GTR-62262 $28.99
Summit Racing lower radiator hose GTR-62261 $16.39

Total: $5,447.52
(Does not include tax or shipping)

SOURCE
Summit Racing
Akron
OH
800-230-3030
330-630-0240
http://www.summitracing.com/
Torque Rush Performance
204-232-3118
www.torquerush.com
ATI Performance Products
6747 Whitestone Road
Baltimore
MD  21207
877-298-5039
http://www.atiracing.com
Powermaster
1833 Downs Drive
West Chicago
IL  60185
630-957-4019
www.powermasterperformance.com
Aeromotive
7805 Barton Street
Lenexa
KS  66214
913-647-7300
http://www.aeromotiveinc.com
Be Cool
310 Woodside Avenue
Essexville
MI  48732
800-691-2667
http://www.becool.com
ARP
1863 Eastman Avenue
Ventura
CA  93003
800-826-3045
www.arp-bolts.com
Lonnies Performance Automotive
659 Central School Road
Perryopolis
PA  15473
724-322-8505
www.lonniesperformance.com
Chevrolet Performance Parts
P.O. Box 33170
Detroit
MI  48232
800-577-6888
http://www.gmperformanceparts.co
m
MagnaCharger
1990 Knoll Drive
Ventura
CA  93003
805-642-8833
www.magnacharger.com
Snow Performance
1017-A East Highway 24
Woodland Park
CO  80863
866-365-2762
http://www.snowperformance.net
American Racing Headers
22 Elm Place
Amityville
NY  11701
855-443-2337
http://www.americanracingheaders
.com