Thread: 87 tbi upgrades
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Old 01-11-2018, 11:33 PM   #10
Dayton601
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Join Date: Nov 2016
Location: Dayton Texas
Posts: 67
Re: 87 tbi upgrades

I had originally set up my 91 TBi 4300 pound truck with all the external goodies you could get, and ran it at the track, went from mid 16s to low 15s, did the TBI spacer (plate between TBI and intake) the injector spacer (small piece between TBI body and injectors, changed the coil, added headers, transmission went out, . beefed it up to better clutches, and corvette servo, made it to high 14's ... all the while i was getting 21 to 23 miles to gallon on hwy, later added Vortech super charger, went to 13.6 ...blew head gasket, re did heads blew it again, rebuilt motor added low compression pistons, also comp roller cam, not sure lift, but I know its some like that came in the irocks at the time, added set of Trick flow heads, the bad is i never got to run the blower after the rebuild, due to it pre-detonating (popping/ backfiring) never got to run it at the track, because I totaled it out on a slippery road,

Last edited by Dayton601; 01-11-2018 at 11:45 PM.
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