Timing and injector questions
02-28-2011, 03:56 PM
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Car: 87 GTA
Engine: 350
Transmission: 700r4
Axle/Gears: 3.42 posi
Timing and injector questions
I jus rebuilt my 87 GTA which include 350 stock bore new pistons, crank, XR264HR-12 com cam with matching push rods and 1.6 roller rockers, slp ported runners and port matced upper and lower intake, egr and emissions delete, banks headers and full exhaust, and a superchip. Would it benfit me to up grade the injectors?if so what size? Also would i be able to tell a differance if i got a bigger throttle body? Also, im kinda stuck on what to aet the timing at? Any advice is greatly appreicated, thanks.
03-02-2011, 10:49 AM
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Re: Timing and injector questions
Start with the stock timing of 6, it may or may not like 8 better. The stock injectors should be fine since you apparently still have stock heads. The only upgrade I'd suggest is the Bosch III style in 24# if you want to do a custom chip and ditch that superchip in there (probably a good idea). A different TB will be of no use on that combo.
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