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877FULLPOWER.com
GMCIRCLETRACK.COM
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We brought the GM Power
Shop Tour to the North! |
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Thank you for visiting us at Maple Grove
Raceway on August 15-17 for the TOYO NHRA Nationals in Reading PA.
Show specials will run thru October 30, 2008.
Order here or call us @
877-385-5769 |
Now taking Names and Deposits for:
GM Part# 19166392
Call 877-942-3267 x-1406
The legend of the all-aluminum big block
continues
· ZL1 Heritage · Limited
production ·
Anniversary Edition 427
 |
The year was 1969, and the musclecar wars were in
full swing. Each one of the big three had developed their own
version of the ultimate high performance big block engine. Then, GM
unleashed the ZL1, the most powerful engine ever released by General
Motors. Based on an exotic aluminum block, the ZL1 offered only the
best components from the L88 engine including a high compression
piston, high flow aluminum heads and intake, and a bombproof bottom
end. To celebrate the 50th anniversary of the Chevrolet big block,
GM Performance Parts has brought back a modern version of the ZL1
for your chance to relive musclecar history. |
| The Anniversary Edition 427 starts with a retooled
version of the ZL1 aluminum block using the exact same tooling that
helped create this legend in 1969. The advantage of the aluminum
block is that it offers the completed engine the weight of a small
block with a whole lot more power. The block offers a full-strength
structure including thick deck surfaces and 4-bolt mains. Building
on that foundation, the short block contains a forged steel crank,
forged steel rods, and forged aluminum pistons for a 9.5:1 final
compression ratio. Aluminum, oval port heads have a 110 cc
combustion chamber and carry 2.19-inch intake and 1.88-inch exhaust
valves. A matching, high-flow aluminum oval-port intake feeds the
heads with the help of an 870 cfm carburetor. The camshaft is a
hydraulic roller with valve lift numbers of .510-inch on the intake
and .540-inch on the exhaust. We even added 1.7:1 aluminum roller
rockers. Like the original ZL1, the Anniversary 427 comes grossly
underrated at 430 horsepower. With a full list of features, this
modern ZL1 is one of the most exclusive big block crate engines ever
offered by GM Performance Parts. But, we didn't stop with just a
great engine! Once you purchase an Anniversary 427 big block crate
engine, you enter a very exclusive club because only 427 of these
engines will ever be produced. To document the rarity of this
engine, GM Performance Parts will include a complete owner's kit
with each of these engines. In that kit, you'll find official
Anniversary 427 emblems to place on your car as well as an engine
data plaque and certificate of authenticity that share a matching
serial number with the valve covers. Only 427 of these crate engines
will ever be produced, and then the ZL1 tooling will be retired
forever. We hope that you will be one of the elite hot rodders to
celebrate the anniversary of the big block Chevy with GM Performance
Parts. |
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