Quote:
Originally Posted by KingLT1
I don't see why you need anything more then a LT4 tank pump(your car might already have) and a JMS booster for 600whp? I was running full E @ 7-8psi and had no issues with the low side. My car made 596whp on drag radials in 5th gear on that setup.
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Another data point I just finished remote tuning mine with Ted.
2650 110mm upper, 8.86” (10%) lower. 9-10 psi at 85F.
LPE HPFP
XDI+30
LT4 w JMS@17.25V
Ended up settling at E70. Ran full E (79%) and injector PW was right at 6.0ms. Ted wanted me to back it down a bit to allow room for COT enable which was off during tuning. High side was holding up to 6700 when I backed out (LT1 pressures). Low side isn’t registering (2019 pid issue I haven’t resolved). E67 was like 5.25ms @ 85F.
I don’t drive the car under 60 deg, but when it cools off to the mid 60s I’ll likely log again to make sure it’s holding well. I could see dropping to E65 in the fall.
Won’t have a chance to put on the dyno for a couple weeks. Tuned at .82 lambda.
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2019 Shock 2SS A10. 2650@10psi/LPE HPFP/XDI+30/LT4 LPFP+JMS/Soler 95mm/Rotofab, E65, CSP 2” Headers/GESI GenII Cats. MM Wild/GM SG3 suspension/1LE Brakes, Velgen VF5 Wheels/GY SC3. JRE Tuned.