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Old 05-03-2009, 09:16 AM
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350 horsepower?

hey i was wondering if someone could maybe dyno my engine and give me a ballpark figure.any guesses on 1/4 time? thanks

350 BLOCK, 2 BOLT MAINS
BLOCK CASTING NUMBER 3970010
eagle CRANK,
(OLIVER) 6" CONNECTING RODS - FORGED STEEL WITH (ARP) BOLTS
(WISECO)? PISTONS 6166A4 FORGED ALUMINUM FLAT TOPS - 2 VALVE NOTCHES - .927 PIN - SIDE HEIGHT 2.07" compression is 10.6-1
(MELLINGS) M55HV HIGH VOLUME OIL PUMP
BALANCER 3896966
CAMSHAFT- comps cam extreme energy(hyd. roller) .502/.510lift, 106 centerlines (not sure on duration i think its .234?)
DOUBLE ROLLER TIMING CHAIN & SPROCKET 3100 SRS
edelbrock performer rpm al. heads 2.02 intake 1.60exhst
edelbrock performer rpm air gap high rise intake, dual plane
holley 750 carb.
2800 stall.
1.5/8'' headers
the tranny is a 700r4 with stage 2 shift kit, rear end is ford 9'' with mini spool and 355 gears. its all in a 1987 gmc s-15, any guesses on 1/4 time? 15x10 slick, coil overs on the rear with ladder bars. weight is around 3300

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Old 05-03-2009, 01:44 PM
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I'll guess around 425-450 horses and a 13 second 1/4 mile time. HG
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Old 05-03-2009, 03:24 PM
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only a thirteen second pass? i think its got betterr than that
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Old 05-03-2009, 03:58 PM
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Go run it & let us know....
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Old 05-03-2009, 04:01 PM
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get rid of weight, or stroke the engine.
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Old 05-03-2009, 04:05 PM
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Quote:
Originally Posted by haulinass-10
only a thirteen second pass? i think its got betterr than that
What makes you think that?

As a comparison, Edelbrock's Performer RPM crate engine in 2005 was rated @ 410 HP, 408 ft/lb torque w/#7102 RPM cam and #60899 RPM heads.

It might ET better w/your slicks (good 60 foot time), but you'll need to run it and see.
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Old 05-04-2009, 08:23 AM
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I think the compression is closer to 9.25:1 if you are using 70cc heads or 9.86 with 64cc. this also depends on piston deck height.

you need more gear. 3.73 to 4.11.

13.4 at 108 mph with 3.55 gears

maybe a 12.9 at 110 with 4.11's.
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