I have a jeep 4.0 boosted with hx35 running a microsquirt. I am running 31lb injectors and ls truck coils in wasted spark with a 36-1 wheel and vr sensor for crank trigger. 8 pounds of boost. I have it running pretty well drivability is great. Only problem is not pulling enough timing under boost. Is there anyone with a boosted 4.0 that would share their timing tables? Just to get some ideas I know each individual engine requires fine tuning.
Thanks
W Vaughan
Jeep 4.0 timing
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- Super MS/Extra'er
- Posts: 1281
- Joined: Thu Aug 19, 2010 6:22 pm
- Location: White House, TN USA
Re: Jeep 4.0 timing
David
1976 Datsun 280Z L28ET Garrett GT35R T3-T04E stage3 50 trim 63 A/R housing custom grind cam 2000-6000 rpm 440cc injectors intercooled 18 lbs. boost
3" exhaust turbo back LC-1 o2 sensor Hallman manual boost controller EDIS 6 ignition batch fire 60mm throttle body 5 spd T5 borg warner 3.54 lsd
3" exhaust turbo back LC-1 o2 sensor Hallman manual boost controller EDIS 6 ignition batch fire 60mm throttle body 5 spd T5 borg warner 3.54 lsd
Re: Jeep 4.0 timing
Current tune and the last data log i believe. I made some adjustments due to my tables not being set up for boost. Havent tried the adjusted tune yet.
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- Super MS/Extra'er
- Posts: 1281
- Joined: Thu Aug 19, 2010 6:22 pm
- Location: White House, TN USA
Re: Jeep 4.0 timing
What is the static compression?
David
David
1976 Datsun 280Z L28ET Garrett GT35R T3-T04E stage3 50 trim 63 A/R housing custom grind cam 2000-6000 rpm 440cc injectors intercooled 18 lbs. boost
3" exhaust turbo back LC-1 o2 sensor Hallman manual boost controller EDIS 6 ignition batch fire 60mm throttle body 5 spd T5 borg warner 3.54 lsd
3" exhaust turbo back LC-1 o2 sensor Hallman manual boost controller EDIS 6 ignition batch fire 60mm throttle body 5 spd T5 borg warner 3.54 lsd
Re: Jeep 4.0 timing
Best I can find is 8.8:1.