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CC Advertisers
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06-19-2014, 01:23 PM
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CC Member
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Join Date: Apr 2011
Posts: 1,092
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Not Ranked
Guess The Power Of This Crate Motor
Guess the BHP @ RPM and Torque @ RPM for this crate motor ...
Crate Motor Specs- Torque Plate Honed
- Durabond Performance cam bearings
- Eagle 4340 Steel crankshaft 4.00" stroke
- Callies 4340 Steel H-beam rods 6.300" long
- Clevite Hardened Rod & Main Bearings
- Racetech Forged Pistons with Total Seal Rings
- Compression Ratio: 13.5:1
- Rods (big & small ends) and Pistons machined to same weight
- Rotating assembly balanced to .02 oz/inch or within 2 grams
- Brodix STS Track 1 CNC Ported cylinder heads
- 68cc combustion chambers
- Comp Cams 2.100" & 1.600" SS valves
- Titanium retainers & 10° Locks
- Roller Valve Springs
- 225cc Intake Runners
- ARP Studs and Fasteners
- Comp Cams Mechanical Solid Roller Custom Grind Race Camshaft
- Crower Sever Duty HIPPO Solid Roller Lifters
- Jesel Pro Series Shaft Mounted Roller Rockers
- Jesel Belt Drive Timing Setup
- Comp Magnum Pushrods
- Edelbrock Super Victor Intake w/4500 flange
- Holley 1050 Dominator Carburetor
Fill in the blanks ...
_____ BHP @ _____ RPM
_____ ft/lbs @ _____ RPM
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06-19-2014, 02:19 PM
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CC Member
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Join Date: Mar 2006
Location: San Marcos california,
CA
Cobra Make, Engine: 1989 KCC from South Africa Right Hand Drive
Posts: 1,601
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Not Ranked
What's the bore...?
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06-19-2014, 02:23 PM
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CC Member
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Join Date: Mar 2006
Location: San Marcos california,
CA
Cobra Make, Engine: 1989 KCC from South Africa Right Hand Drive
Posts: 1,601
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Not Ranked
[b]Assuming its around 4.00". I would say ....675 hp @ 7500rpm and about 640 lbs of torque @ 5400
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06-19-2014, 02:34 PM
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CC Member
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Join Date: Oct 2010
Cobra Make, Engine: Superformance
Posts: 663
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Not Ranked
13.5:1 compression, long stroke, big heads, solid roller cam, Dominator carb...well north of 750HP and probably the torque to match.
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06-19-2014, 02:44 PM
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CC Member
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Join Date: Oct 2003
Location: Queen Creek,
AZ
Cobra Make, Engine: Midstates, Vette suspension, Baer 6P brakes, 540 cid Chevy, Haltech Fuel Injection
Posts: 906
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Not Ranked
Whats the bore? Hope not too big with only a 2.100 intake valve...
__________________
E. Wood
ItBites
10.69 @ 129.83mph - on pump gas and street tires
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06-19-2014, 02:47 PM
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CC Member
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Join Date: Oct 2000
Location: Crystal Lake,
IL
Cobra Make, Engine: Everett-Morrison, 434 cid
Posts: 977
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Not Ranked
It would be a waste to build it on a 4" bore block... 4.125 or 4.155 bore.
750hp @ 7400
595ft/lbs @ 6000
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06-19-2014, 02:52 PM
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CC Member
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Join Date: Dec 2001
Location: Louisville,
KY
Cobra Make, Engine: I'm Cobra-less!
Posts: 9,417
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Not Ranked
Too many variables.
What's the bore? What's the cam specs? What do the heads flow? Has intake been prepped? Whose dyno?
Your question can't be answered as is.
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06-19-2014, 03:05 PM
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CC Member
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Join Date: Dec 2001
Location: Louisville,
KY
Cobra Make, Engine: I'm Cobra-less!
Posts: 9,417
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Not Ranked
Btw, that ad is pretty bogus.
I wouldn't use comp cams magnum pushrods on a race motor.
Comp cams valves? Lol
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06-19-2014, 03:06 PM
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CC Member
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Join Date: Apr 2011
Posts: 1,092
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Not Ranked
Quote:
Originally Posted by CHANMADD
What's the bore...?
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CID is 427
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06-19-2014, 03:12 PM
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CC Member
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Join Date: Dec 2004
Location: Kansas City,
KS
Cobra Make, Engine: jbl
Posts: 2,291
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Not Ranked
North of 600, maybe close to 7. Don't know how they get 750hp out of those heads, suspect afr225 or similar.
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06-19-2014, 03:16 PM
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CC Member
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Join Date: Oct 2000
Location: Crystal Lake,
IL
Cobra Make, Engine: Everett-Morrison, 434 cid
Posts: 977
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Not Ranked
Quote:
Originally Posted by AL427SBF
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Nope, I was guessing... honest. 
I'd still build with a 4.125+ bore... |
06-19-2014, 03:19 PM
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CC Member
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Join Date: Aug 2012
Location: Grand Rapids, MI,
MI
Cobra Make, Engine: StreetBeasts, 331 Stroker
Posts: 149
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Not Ranked
So what octane is this set up for?
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06-19-2014, 04:03 PM
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CC Member
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Join Date: Dec 2004
Location: Kansas City,
KS
Cobra Make, Engine: jbl
Posts: 2,291
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Not Ranked
Quote:
Originally Posted by RedEye
So what octane is this set up for?
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Either $10 a gallon or methanol  |
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