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#1
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KRE tripower intake horsepower and torque numbers Holley and Rochesters
Jeff Kauffman sent me these numbers today. I had supplied KRE with a set of Rochesters modified by opening up the Venturi area on all three to 1 3/8"
Motor was a 461 Pontiac with KRE heads, running pump gas and a hydraulic roller cam. Holleys...641 HP and 575 torque Rochesters...607 HP and 561 torque fuel/air ratios very similar |
#2
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Thank you. Were the Holley’s stock 4412’s?
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BONESTOCK GOATS '64 GTO Tripower Hardtop (Wife's Car) '64 GTO Tripower Post Coupe (My Car) '99 Bonneville SE Sedan |
#3
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How about some actual specs on this engine, Jeff should be able to share them with you.
Cam, compression, Holley carb part numbers, head air flow numbers, header size, fuel octane, etc. Please post the dyno sheets if you would.
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1964 Tempest Coupe LS3/4L70E/3.42 1964 Le Mans Convertible 421 HO/TH350/2.56 2002 WS6 Convertible LS1/4L60E/3.23 |
#4
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Curious too.....
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1967 GTO 416 5-spd streetcar 11's on HP low 10's 150 shot 1965 GTO 10-71 Littlefield high-helix retro/Bird (untuned) 8.44 @164 3500+lbs 10.5W's SOLD! 1964 421 GP-Sold 6.0 cert. Fiat bodied altered blown alcohol Pontiac IAII-Sold |
#5
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KRE Tripower intake
I have sent an inquiry to Jeff Kauffman. Waiting for more information on engine specs.
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The Following User Says Thank You to mike w For This Useful Post: | ||
#6
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Has there been any more follow up to this? Maybe on another thread I missed. Mostly I'm still curious about the Holley carbs that were used
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1967 GTO 416 5-spd streetcar 11's on HP low 10's 150 shot 1965 GTO 10-71 Littlefield high-helix retro/Bird (untuned) 8.44 @164 3500+lbs 10.5W's SOLD! 1964 421 GP-Sold 6.0 cert. Fiat bodied altered blown alcohol Pontiac IAII-Sold |
#7
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Yes, love to hear more.
Theory on why Holley perform better? What were the motor details? Cam, etc. Would have liked to see new intake vs stock dual plane or repop aluminum…. |
#8
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I, too, would like to see the comparisons. Which Holley carbs? Stock Rochester Tri-Power carbs?
How do the numbers compare with Rochester carbs on the new intake vs. stock?
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BONESTOCK GOATS '64 GTO Tripower Hardtop (Wife's Car) '64 GTO Tripower Post Coupe (My Car) '99 Bonneville SE Sedan |
#9
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I think the Holleys are bigger.Tom
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#10
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I just reached out to Jeff as this is something I'm seriously considering to do this winter.
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1967 GTO 416 5-spd streetcar 11's on HP low 10's 150 shot 1965 GTO 10-71 Littlefield high-helix retro/Bird (untuned) 8.44 @164 3500+lbs 10.5W's SOLD! 1964 421 GP-Sold 6.0 cert. Fiat bodied altered blown alcohol Pontiac IAII-Sold |
#11
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Rochester carbs on KRE manifold
If anyone is interested,, I could supply the same carburetors that were tested by KRE on the new manifold.
The end carbs are correct Tripower carburetors. Center is an excellent clone. All three are opened up to 1 3/8 inches. Center carb has an electric choke added Kaufmann still has the carburetors, but I can get them back when needed. I am also building a pair of end carburetors that are also opened up oversize. If anyone is interested, give me a call 309-360-6385 Mike Wasson, Illinois |
#12
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Any insights on an a/b test isolating only the manifold? Same carbs, stock intake vs kre?
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#13
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Quote:
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My money talks to me-it usually says goodbye! |
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