Rochester Quadrajet 1975 Pontiac 400 7045264 Performance mods/read discription.

Description: Rochester Quadrajet 1975 7045264 Pontiac 400 engine..AMJ (adjustable main jet) version...800cfm (plus) “bump” core...Condition is Remanufactured … no core charge. …fully disassembled...passage ways opened with fine wire/mini brushes and shop air. ...fully adjustable idle, part throttle and full throttle for performance. ...line-bored primary throttleshaft and bushings replaced with 5/8” Oilite bronze oversized replacements...this permanently eliminates any vacuum leaks/erratic idle due to wear...New stainless steel screws and Locktite on assembly...rock solid and very smooth throttle pivot motion. ...primary and secondary fuel well plugs tested and sealed with epoxy. ...enlarged idle mixture holes to allow for a wider range of idle air/fuel ratio adjustment. ...Pontiac factory half hidden (best version) P.O.E. Pull over enrichment secondary air flaps allow instant fuel spray from the secondary pull over shooter holes...POE holes enlarged for richer initial shot of fuel...secondary fuel well restrictor holes enlarged for faster refill...factory CFM limiter tab carefully removed and modified with a exterior adjustable set screw, set it mild to wild for max flow(800 plus)…these mods will eliminate any lean lag/bog when going full throttle...primary to secondary baseplate linkage “tweaked” for a much faster opening rate…you better tell her to hold ON!! ..enlarged idle tubes and idle down channel restriction will allow for stable idle control. …idle air bypass added to baseplate(eliminates nozzle drip due to engine performance modification…helps keep it on the idle circuit and off the main circuit. ...accelerator shooter holes slightly enlarged and tested for two fast solid streams…accelerator pump duration linkage modified for quick change version. ...factory air horn AMJ (adjustable main jet) sealed plug carefully removed and modified for easily removed cover cap...this allows easy access to the interior AMJ , which can now be turned to make on the fly adjustments to the part throttle air- fuel ratio ...make it richer/leaner from the exterior of quadrajet..very nice tuner mod. Primary jet 73. Primary rod 42K. Secondary rod DA(.044”) plus the factory lean DB(.0697”). Hanger N. ...rebuilt with high quality kit including float, .135” solid wall needle/seat, ethanol resistant blue seal/garter spring HI-PO accelerator pump, thick gaskets, fuel filter....Tested/functional primary and New secondary choke dashpots...includes air lid and baseplate gaskets. ...factory hot air choke properly converted to a new electric choke insert…just supply terminal a key-on fused 12 volt wire..perfect choice for a difficult/failing divorced or hot air set-up...allow this to be used on any application. ...painted with high temp aluminum paint for appearance and oil/fuel resistance..baked three hours...Pontiac 400-4v Tramp Stamp tattoo..beautiful. ...shipped by USPS PRIORITY MAIL in their large box...plenty of room for one inch complete foam surround protection...usually delivered within 2 to 4 days. …includes instructions for the various mods.

Price: 725 USD

Location: Rosedale, New York

End Time: 2024-12-23T18:58:00.000Z

Shipping Cost: 26 USD