Ordering runners this week what do you think is better? The Edelbrocks that are 1.7"dia or the SLP's that are 1.6"dia siamesed I would like to decide by monday night! Help me decide Im leaning toward the edelbrocks because their bigger diameter but still have the SLP's in mind because I can port the crap out of them if they dont do any good

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89 350 TPI,comp cam,edelbrock intake base,SLP headers,highflo cats,flomaster cat back,accel 300+ ign,ported plenum and runners,ported maf,auto w/shiftkit,cold air induction,AFPR,Ed wright chip,3.23 posie best ET 14.011@98.72mph without cam/New best 13.926@98.27mph

 

I think you'd see equal gains with both. Get the ones you think look best on your motor then port the insides, and match them to the intake and plenum.

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Rob P
89RSconvtZZ4TPI
Edelbrock Hi-Flow Intake
SLP Dual Cold Air Intake
1 5/8" Headers
Semi-Siamesed Runners
MSD6AL/relocated MAT/ AdjFPR/IROC frnt@rear swaybar/wonderbar/steeringbox/alum drvshaft/ Alston SFC/3:23posi disc rear/MAC LCA/H.Adams Panhard Rod/KYB struts/ shocks/
92Z28convt5spd
71Impala convt 402BB
BETTER DRIVING THRU SUPERIOR HORSEPOWER!

 

I heard AS&M has some good ones, but they have a steep price. I like the fact that you can port those other runners. I just siamesed the stock ones . Actually came out decent, no idea how they work (yet). Nowadays I'm not sure of TPI's, I originally thought they were great but it's starting to look like the extra $$$ you pay is for hype and reputation. Dont need it. I personnally think you should go with the SLP's if you like porting...if not, go Edelbrock. Won't be a huge difference. I heard that the SLP's are only siamesed for 2" of runner length.