What are the best Runners for Stock 305 TPI...Edelbrock,SLP,????

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1987 IROC-Z
G92, LB9 305 TPI, 3.23, Bright Red with Carmine Interior, Pioneer DEHP47DH CD deck.2 JBL DS645 4*6 (F).. 2 JBL DS965 6*9 (S).. New 305CI TPI ,World Torquer Heads, and soon to be Body Work

 

i suggest u get the SLP's first off there way cheaper than the others and u can do mild porting if u wish, dont let others tell u that the other has bigger gains than any of them, i've checked dyno runs there all the same, plus i like the way SLP's siamese runners look. i think they cost $230.00 and ur only mod is the head i suggest u port the plennum get an edelbrock intake manifold for TPI from summit $360.00 cam from lingenfelter/accel and ull be in business.

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92' camaro
New 305 block TPI conversion, Flat top pistons,Bore over .30 Forged parts all around,Edelbrock intake,ported plennum,ported corvette alluminum heads, accel cam,52mm throttle bodie, SLP runners Home aid cold air induction, Air foil,ford SVO 19lb injectors,fuel regulator,cloys timing chain, comp alluminum roller rocker arms and pushrods MSD 8.5 mm wires, bosch plattinum plugs, hypertech cap & rotor and coil, Edelbrock TES headers, free flowing catalytic converter and a 3 inch force II flowmaster exhaust system, and a 3 inch cutout,Zoom multi friction clutch, T-5 tranny,billenstien shocks&struts.
Soon to come!!!
Procharger system 12lbs o boost.
New paint job(hawaiin orchid purple)Cast alluminum ZR1 rims w/ 275 tires.
site to see my cars at <A HREF="http://www.geocities.com/iroc_dis/iroc_dis_page.html

1971" TARGET=_blank>www.geocities.com/iroc_dis/iroc_dis_page.html

1971</A> plymouth Duster
Mods:340,edelbrock victor jr. intake, 650 4 barrel holley, heddman headers,40 series dual flowmasters, cold air intake,4:10 gears, just got a new paint job and cragar rims with 315 tires in the back.
:Yeah its not a chevy but damn how many 71' dusters have u seen in the streets.

 

AS&M's they seem to be the best ones.

 

After porting my Plenum and base to match the SLPs ands swapping in the SLP cam I picked up about .5 sec. Ofcourse this was swapping out the peanut cam, porting the whole plenum, port matching everything else and giving it another 2 psi of fuel for the added air flow. Oh yea I also forgot that this included 1.5 roller tip rockers.
So for a total of about $500 I gained about half a sec. I was very happy with them. THeir RPM range matched the Cams RPM range perfectly. The Cam I used was SLPs TPI cam

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89 Trans Am Turbo 3.8L All stock 43,000 miles #1053 of 1555

Past Thirdgen:
86 Trans Am w/ built 355TPI with SLP goodies and too much other stuff to List. One sweet *** car, wish I would have had a good enough Job to pay insurance on three cars so I could keep it, but for a 89 Turbo Trans Am w/ Low miles, I think I made the right choice!