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Old 11-09-2019, 09:18 AM   #1
Eldi Z

 
Drives: 17' 1SS 1LE GBA-Black
Join Date: Mar 2017
Location: TLV
Posts: 810
Tuning for Boost: LT1/GDI Motors Vs. LS/PI Motors

Trying to understand the differences in tuning the LT1 (High Comp.) in boosted applications (I.E. Centri Chargers) Vs. similar boosted setups on the earlier LS motors (I.E. LS3 or LS7). Talking about Pump Gas 91 and 93 applications.

What are the main parameters to watch out for in the newer LT1 GDIs?

A/F and Ignition Timing probably being the critical factors to take into account, however, the relation to Fuel pressure(I.E. much higher with the GDI motors?) and injectors' timing and fuel quantity / supply should be attended to in a different way I guess?

Thanks to those who are experienced can provide some education and guidance on how they go about safely tuning the SBE LT1 motors on boost.
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