Page 13 of Intake Manifolds 2008 by Edelbrock

index qwikdata shocks suspension exhaust access water pumps nitrous cams access heads efi manifolds install items gaskets fuel pumps carbs access crate engines superchargers kits power pkg manifolds s/b chevy matching edelbrock parts for #3704 description page no performer centerbolt cylinder heads 50 state street legal 140-171 performer-plus camshaft lifters 172-175 tubular exhaust system and shorty headers 201-206 roller timing set 180 high-flo t.p.i system #3890 high-flo t.p.i system baseplate runners idle-5500 rpm designed for 1985-92 305/350 c.i.d s/b chevys with tuned port injection with stock heads the high-flo system makes an 18-20 hp gain over stock requires no changes to stock computer #3890 3892 are stock replacement/street legal parts for 305/350 v8s with t.p.i 1985-88 #3891 3893 are stock replacement/street legal parts for 305/350 v8s with t.p.i 1989-92 not for lt1 corvettes high-flo t.p.i system 1985-88 engines 3890 high-flo t.p.i system 1989-92 engines 3891 high-flo t.p.i system 1985-88 with aftermarket heads includes #3861 3892 high-flo t.p.i system 1989-92 with aftermarket heads includes #3861 3893 installation notes recommended intake gasket for #3890 and #3891 gm #10159409 port exit dimensions 1.25 x 1.98 high-flo vortec t.p.i baseplate #3817 high-flo t.p.i baseplate baseplate retains factory fuel injection parts and emission equipment compatible with stock or aftermarket runners can be ported to improve flow capacity requires no changes to the computer baseplate is stock height #3860 has been machined to clear centerbolt valve cover heads #3861 is for all other heads high-flo baseplate only 1985-92 centerbolt engines 3860 high-flo baseplate only aftermarket and early model heads 3861 installation notes recommended int gasket for #3860 gm #10159409 port exit dimensions 1.25 x 1.98 high-flo t.p.i vortec baseplate high-flo t.p.i runners #3870 and #3817 baseplate this intake allows any corvette camaro or firebird owner to take advantage of the superior flow characteristics of our e-tec series heads 96 and later gm cast iron vortec heads or aluminum fast burn heads while using factory or aftermarket tpi system compatible with oem and aftermarket equipment match with high-flo t.p.i runners listed below high-flo t.p.i vortec baseplate only 3817 installation notes recommended intake gasket edelbrock #7235 or gm #89017465 matching edelbrock parts for high-flo t.p.i systems description page no performer cylinder heads 140-171 shorty headers 199 manifold bolts 55 valve covers 190 water pumps 185-189 high-flo t.p.i runners the high-flo runners work with the high-flo baseplate and either stock or ported stock baseplates match with aftermarket heads and high-performance cams compatible with stock fittings and emissions related features no changes to the stock computer required high-flo runners only 1985-88 engines 3865 high-flo runners only 1989 and later engines 3870 replacement gasket set supplied with runners 3866 torker ii 2500-6500 rpm designed for 1955-86 high-performance street 262-400 c.i.d small-block chevys accepts late-model waterneck air-conditioning alternator and h.e.i will fit corvette and 87 and later stock heads will not fit 87 and later cast iron heads and will not cover port openings of chevrolet bowtie or lt1 heads not for heavy vehicles trucks vans etc use performer eps #2701 torker ii non-egr 5001 carburetor recommendations edelbrock thunder series avs or performer series carb 600-800 cfm see pages 31-36 use bracket #8031 or #8036 for 1972-78 installation notes recommended intake gasket edelbrock #7201 manifold height a-3.53 b-4.63 carb pad height 4.08 see page 56 port exit dimensions 1.09 x 1.73 torker ii #5001 68 not legal for sale or use on pollution controlled motor vehicles.

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