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Recently I did an XIM install w/ LS2 coils and have had issue after issue w/ it. Cam sync is from a converted 0pti and FAST crank trigger...it's on a 93 LT1, F1 S/C, 96 injectors. Initial install the car would fire instantly and cut off as I had no cam signal, this got progressively worse to...

Plan is to eventually move up to 2.0 next spring but for now just need to get it running and I'm almost there. If I'm not mistaken aren't some tables that need to be reversed when updating to 1.33? What tables exactly are they? I updated to 1.33 and a warning screen came up informing me that...

Own a 93 Z28 LT1 388ci w/ an F1 blower. Opti took a no notice dump on me w/ less than 900 miles on it. Don't beat on me too bad but I'm still on version 1.13....never get to drive the car due to one issue after another. I trying to find out what all is involved in switching over to...

Own a 93 Z28 LT1 388ci w/ an F1 blower. Opti took a no notice dump on me w/ less than 900 miles on it. Don't beat on me too bad but I'm still on version 1.13....never get to drive the car due to one issue after another. I trying to find out what all is involved in switching over to...

Are these sensors essentially the same? I'm just trying to figure out if I can use the factory GM knock sensor in place of the FAST as I haven't purchased one yet. Thanks in advance! Silas,

Sent ya a pm a few weeks back still waiting on a reply. Thanks! Silas,

I know most people on here feel Julio's kit is the best and even though I don't have a meth kit yet I pretty much feel the same way. Ran across this the other day though and was wondering if anyone has this system. Water Alcohol Methanol Ethanol Injection Systems - Alcohol Injection Systems.com...

Does anyone know for certain that the XFI box can use saturated or peak & hold inj w/ out sending the box back in for the switch to either inj? If I'm not mistaken I thought I read the XFI can operate either w/out having to send the box back in. Can anyone confirm this? I've got some RC...

I'm seeing 10.5-11.4 afr @ idle and my fp is set to 43 psi w/ the vac line off. I can keep the car running but it's so rich I even have fumes coming from the engine w/in a matter of seconds chasing me out the garage. What is the best way to go about leaning this out? My base VE table bubble...

Hey guys I just wondering if anyone knows if you can incorporate a MSD Knock Sensor alert kit to operate w/ the ESC for the XFI? Do you have to use the FAST Knock sensor or will the stk GM sensor or supplied MSD knock sensor do?? Thanks!

Finally got the car started up after a yr scratching my head. Not enough FP so I really feel like a ash-hole. Cranks on 1st strike of the key but looking at the VE table the bubble is hovering at the top in the 315kpa range @ 900rpm's. This is real new to me so I know I have a STEEP learning...

Hello. I'm hoping somebody can give me some tips on what to do next. My car is listed below. Recently just received a base tune from TJ Tracy from Advance Performance in Tenn to get my car running but it will not fire. I checked all sensors and everything is working as it should. Injectors...