Is my 1" Phenolic spacer hurting me? and TB ?

LX XLR8R · 01-03-2001, 01:07 PM

hey rick

what cam u running now..and what size tb..i would have to say with 2.02 heads i would run a 70mm tb and something a lil smaller than my comp cams XE 274HR(cuz im running 1.9)...75mm tb for a all motor 302 is way too big..i tell everone to run a 65mm unnless thier running heads and intake with a big cam..if they are running heads and intake with a b-303 or simular then i say stay with 65mm..o and about that 1" plenum spacer..i have yet to see a car lose power cuz they had a 1" over a 3/8" infact they prolly gain hp from a denser cooler intake charge..so keep that..specially with that intake

------------------
1987 black notch(ex 4 banger)
DSS 306 w/ main support...Elderbrock 6028 heads..gt-40 intake..24# injectors...70 mm tb..77 pro-m...accel 300+..mac full legnth..tremec w/ pro5oh...full MAC exhaust,off road h-pipe,long tubes, catback...ron davis radiator..subframes, control arms...CFDF II..o yea holley FPR sucks..dont buy one..

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01-03-2001, 01:07 PM	#2
LX XLR8R Dirk Diggler Join Date: Feb 1999 Location: SLOATSBURG, NY Posts: 1,931	hey rick what cam u running now..and what size tb..i would have to say with 2.02 heads i would run a 70mm tb and something a lil smaller than my comp cams XE 274HR(cuz im running 1.9)...75mm tb for a all motor 302 is way too big..i tell everone to run a 65mm unnless thier running heads and intake with a big cam..if they are running heads and intake with a b-303 or simular then i say stay with 65mm..o and about that 1" plenum spacer..i have yet to see a car lose power cuz they had a 1" over a 3/8" infact they prolly gain hp from a denser cooler intake charge..so keep that..specially with that intake ------------------ 1987 black notch(ex 4 banger) DSS 306 w/ main support...Elderbrock 6028 heads..gt-40 intake..24# injectors...70 mm tb..77 pro-m...accel 300+..mac full legnth..tremec w/ pro5oh...full MAC exhaust,off road h-pipe,long tubes, catback...ron davis radiator..subframes, control arms...CFDF II..o yea holley FPR sucks..dont buy one..