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#1
12-08-2003, 01:16 PM
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Has anyone ever tried carb spacers on a factory tripower setup? Would there be any hp gain from this?
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#2
12-08-2003, 01:16 PM
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Has anyone ever tried carb spacers on a factory tripower setup? Would there be any hp gain from this?
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#3
12-08-2003, 01:27 PM
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I have run offy aluminum spacers (1/2") on top of
the cast iron 66 intake to adapt Holleys. Most feel that a "riser" will even out the flow after the throttle blade and will keep the fuel-air mixture from hitting the floor at high velocities but historically Pontiac tri-power intakes do not suffer from that problem as they were well designed by the factory for their carbs. Tom V. 
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"Engineers do stuff for reasons" Tom Vaught Despite small distractions, there are those who will go Forward, Learning, Sharing Knowledge, Doing what they can to help others move forward. |
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#4
12-08-2003, 02:36 PM
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Just curious, but what about the fit ?
What Holley's did you use to make them fit ? I did not know that Holley made a carb that would fit on the stock intake ? Only on the spacers ? Any modifications ? I'm thinking ahead for the new aluminum intake.....
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........I'm just learning as I go....... |
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#5
12-08-2003, 03:08 PM
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I used a 440 six pack set of carbs.
I used Offy Holley to Rochester (Large base) spacers. There were no clearance issues on a 1966 Tri-power intake. Tom V.
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"Engineers do stuff for reasons" Tom Vaught Despite small distractions, there are those who will go Forward, Learning, Sharing Knowledge, Doing what they can to help others move forward. |
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#6
12-08-2003, 05:36 PM
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Tom,
If this combo was tested, what performance benefits did you gain utilizing Holleys on the OE trip manifold ? Les 66 GTO Coupe,455/trips,700r/2500stall,12bolt/3.08,1.79/13.01/104.5 68 GP daily driver and 2004 Route 66 Tour participant under restoration -------------------------- Better lucky than good
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Les Iden ---------------------------- '65 Buick Sport Wagon Custom, 340, T350, 3:23 '66 GTO Post/468, 700R4, 3.31 (Mike's as of 9-16) '68 Grand Prix/455, dual AFBs, T400, 2:93 posi (sold) '72 TA tribute/461, T400, 3.08, (Russ's as of 9-16) '97 Mitsubishi Eclipse Spyder Turbo, Konis, 5 speed '09 Torrent GXP, nav, Sun & Sound pkg., Bilsteins |
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