Build Some Power With a '92-'96 Gen II LT1

Don't step over it in the mud. The forgotten small-block is supercheap to procure. Get to building.

Car Craft, January, 2008

Tweet

UPGRADE LIST
DESCRIPTION	PN	PRICE
Ignition
MSD cap and rotor kit	8481 (early style)	$170.06
	84811 (later style)
Cooling
Meziere water pump	WP118	211.69
Intake
Edelbrock Performer RPM LT1	7107	399.95
LT4	7109	464.95
Cylinder heads
Trick Flow Specialties	TFS-30400010	1,409.95 sold in pairs, assembled.
		Bare heads available.
Edelbrock Performer	61909	539.50 sold individually, assembled.
		Bare heads available.
Air Flow Research 180 cc	0908	1,824.00 sold in pairs, assembled
Scoggin-Dickey CNC-ported	SD3287	1,082.50 sold individually, assembled
LT4 cylinder heads

COMPARISON
	LT1	LT4
Crankshaft	Cast-iron	Cast iron with rolled and undercut fillets
Rocker arms	1.5:1-ratio stamped steel	1.6:1 forged aluminum roller
Timing chain	Link-style powdered-metal sprockets	Roller-style steel sprockets
Valves:
Intake	1.94	2.00 hollow-stem
Exhaust	1.50	1.55 sodium-filled
Valvesprings	Round section	Oval section wire
Compression ratio	10.4:1	10.8:1
Camshaft:
Duration @ 0.050 inch	205/207	203/210
Lift	0.447/0.459	0.476/0.479
Lobe separation	117 degrees	115 degrees
Intake runner	170 cc	195 cc
Airflow	212 cfm	240 cfm
Horsepower	300 @ 5,000 rpm	330 @ 5,800 rpm
Torque	340 lb-ft @ 4,000 rpm	340 @ 4,500 rpm
Redline	5,700 rpm	6,300 rpm

SOURCES
Air Flow Research 10490 Ilex Avenue, Dept. MMFF Pacoima CA  91331	MSD Ignition El Paso TX 9-15/-857-5200 msdignition.com
Edelbrock Dept. 5.0 2700 California St. Torrance CA  90503 310-781-2222 www.edelbrock.com	PCMforless
Ellwein Engines Saint Leonard MD Ellweinengines.Com	Scoggin-Dickey Parts Center Lubbock TX N/A www.sdparts.com
Evans Cooling Systems Dept. MM P.O. Box 434 Parkerford PA  19457 888-990-2665 N/A www.evanscooling.com	Street & Performance 479-394-5711 www.hotrodlane.cc
Golen Engine Service 17 Dracut Rd. Hudson NH  03051	Summit Racing Equipment P.O. Box 909 Akron OH  44309
McKeown Motorsport Engineering Nanjemoy MD	Trick Flow Specialties 1248 Southeast Ave. Tallmadge OH  44278 330-630-1555
Meziere Enterprises 20 S. Hale Ave. Escondido CA  92029 800-208-1755 www.meziere.com

• «
• |
• 1
• |
• 2
• |
• 3
• |
• 4
• |
• 5
• |
• 6
• |
• 7
• |
• 8
• |
• 9
• |
• View Full Article

By Chad Golen

Enjoyed this Post? Subscribe to our RSS Feed, or use your favorite social media to recommend us to friends and colleagues!