06-08-2024, 08:50 AM
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#59
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Super Stock
Drives: Chevrolet Camaro ZL1
Join Date: May 2022
Location: Concordia
Posts: 1,004
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Quote:
Originally Posted by RobZL1
Yep. A few studies on it. One from Brian Tooley on an LT motor not too long ago. Lost like 60hp just by changing from DI to PI at around 750 hp. Airmass went down, too- so the fuel was taking up valuable air volume.
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Yep. I saw that article for whatever reason when I was mucking around on Google. DI will make more power than PI for sure. It's like supercharging without the supercharger itself on a NA vehicle.
Vote me for another person who is against running meth. Too much chance of a failure during spirited running. Run E and you will love the power output results from it. Fuel economy will take a hit but it's worth it considering how much more power you can get out of it vs. 91/93 pump fuel. I'm really happy with what I'm making and all it took for me was a JMS, stock style LT5 cam with a 32% high side fuel lobe a 12% pulley and optimized tuning to get to the power level I'm at. Hell of a street setup and still will pass emissions, plus it can run the "stock" tune if it ever needs to.
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2017 Red Hot ZL1 A10 - Apex ARC-8's, 305/ 325 PS4's, DSX 9.06 12% lower, Griptec OE upper, NGK HR7 Ruthenium plugs, Nostrum 25+ injectors, XDI Goliath HPFP, Katech dual in tank LPFP, Katech oil pump, LME tensioner, DOD delete, LT1 big fuel cam, Jokerz ported blower, MPI lid, GMS hood extractor bracket, Granatelli SS plug wires, Cordes LTR reservoir, DMS T-stat housing, 186* LS3 T-stat, Borla X pipe, Black Widow Angry Housewife/ Corsa NPP mufflers, BMR engine mounts, Banks iDash, Lithium Battery, AEM X- Series, HP Tuners, E85, 16.5 psi
758 HP/ 804 TQ
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