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Old 06-18-2005, 01:57 PM
cbmax cbmax is offline
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Join Date: Aug 2004
Cobra Make, Engine: ERA 427 #708, 427 SO
Posts: 181
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Default Genesis 427 S/O- First Dyno Pull

Just got the initial dyno results back from Joe Lapine at Danbury Competition Engine.

Joe reports 470HP at 5800 RPMS first pull. This was through street legal mufflers, water pump attached and I believe no filter on the carb. He only did one dyno run. He said the weather was rainy and humid and not the best day for making power.

Looks like compression ratio is 10.68 to 1.

Motor has:

Genesis iron block
Bore 4.252
Stroke 4.125
Rod length 6.7
Scatz 4 1/8 crank
Scatz 6.7 H-Beam Rods
Edelbrock alumunium intake manifold and heads with basic port work
Aviaid competition oil pan
Comp cam (solid) 33-246-4
Holley 3310 750CFM Carb
Edelbrock water pump
Wiseco pistons

This is the all the details I have at this point.

So, will I be impressed?

Was hoping for 500 HP. (not sure why, just bragging rights I guess)

Do you think motor will improve with break in? How about when motor is run through open headers when it is installed in my ERA cobra?

What type of performance on the street should I expect?

Thanks for you input!

CB

Last edited by cbmax; 06-19-2005 at 09:03 AM..
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