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Forum: DIY PROM
01-21-2011, 08:21 AM
Replies: 9
Views: 1,670
Posted By drowning in tbi

Re: Need help (fuel??). vortec-tbi 7747

Backfire out the intake is lean mixture OR spark crossing over OR intake valves not sealing OR exhaust valves not opening. You have a lot to check out. I have the same setup in my Jeep and I couldn't...
Forum: DIY PROM
06-25-2009, 03:45 PM
Replies: 29
Views: 5,619
Posted By drowning in tbi

Re: crate 350 HO Vortec TBI eprom- need help!

Does your injector constant match the injectors you have?
Forum: DIY PROM
05-11-2009, 09:53 PM
Replies: 29
Views: 5,619
Posted By drowning in tbi

Re: crate 350 HO Vortec TBI eprom- need help!

Sorry about the time gone by...
If I do this right, there should be a working bin for vortec/tbi. I believe EGR is activated. 5.7vortec/tbi,700r4,456 gears, 35" tires...some 3rd gen huh?
Forum: DIY PROM
05-08-2009, 10:51 AM
Replies: 29
Views: 5,619
Posted By drowning in tbi

Re: crate 350 HO Vortec TBI eprom- need help!

I can send you my current bin that I am using in my vortec/tbi 5.7. It will be tomorrow before I can acess my files, if you are interested. Luke.
Forum: DIY PROM
05-06-2009, 02:59 PM
Replies: 29
Views: 5,619
Posted By drowning in tbi

Re: crate 350 HO Vortec TBI eprom- need help!

Sandor, what injectors do you have? If they are from your 305...might be a problem.
Forum: DIY PROM
05-06-2009, 02:48 PM
Replies: 31
Views: 5,609
Posted By drowning in tbi

Re: WB-O2 results contradict BLMs

I agree with Pandin-you may be in PE. You might want to check you NB & WB sensors at idle & light load to see if they agree. If they don't, then troubleshoot that FIRST!
Forum: TBI
12-14-2008, 09:24 AM
Replies: 19
Views: 995
Posted By drowning in tbi

Re: Somebody please help me out... what is this sensor???

The knock sensor should be on the lower part of the block. This should be a temp sensor OR fan switch.
Forum: TBI
12-14-2008, 08:56 AM
Replies: 19
Views: 995
Posted By drowning in tbi

Re: Somebody please help me out... what is this sensor???

Is it in the cyl head or on the lower part of the block? What color is the wire?
Forum: TBI
08-02-2008, 10:52 AM
Replies: 30
Views: 1,449
Posted By drowning in tbi

Re: EGR to Save ALOT of Gas.

The EGR system was developed to cool the combustion process, lowering NOX and reducing PING. As exhaust is an inert gas, in the RIGHT ratio, it shouldn't affect performance. Obviously too much and it...
Forum: DIY PROM
07-18-2008, 07:04 PM
Replies: 30
Views: 1,655
Posted By drowning in tbi

Re: Failed smog :(

41 degrees is a lot of timing. That will raise your NOX and HC for sure! I agree with RednGold86Z: burn your own with minimal timing, just for the test. Don't forget to make sure the base timing is...
Forum: DIY PROM
07-17-2008, 10:24 PM
Replies: 30
Views: 1,655
Posted By drowning in tbi

Re: Failed smog :(

The first is the 25MPH test
RPM was at 1280

Test Standard My reading
HC(PPM) 136 253 Fail
CO% 1.66 .64 Pass
CO2% 13.6 Info
O2% 0.9 info
Nox(ppm) 853 977 Fail
Dilution >6 14.2
Forum: DIY PROM
06-16-2008, 02:58 PM
Replies: 6
Views: 688
Posted By drowning in tbi

Re: winaldl setting ???

I don't have my tuning computer with me but... I have to remove a blank space BEFORE and AFTER the forward slash ( / ) on the line that has the MAP values, then the value and the column lines up...
Forum: DIY PROM
03-12-2008, 03:17 PM
Replies: 87
Views: 20,684
Posted By drowning in tbi

Re: who has the BEST MPG tune? what tricks?

Just to throw in my .02. An engine-any engine will be most efficient at its peak torque-meaning the most output of energy to unit of fuel. At this point we are making maximum torque-not the best way...
Forum: DIY PROM
02-24-2008, 08:21 AM
Replies: 87
Views: 20,684
Posted By drowning in tbi

Re: who has the BEST MPG tune? what tricks?

At 1900 rpm @ 60mph you need to make sure you aren't close to PE. EGR will need to be utilized for the best highway MPG. IMHO
Forum: Engine/Drivetrain/Suspension Parts for Sale
01-31-2008, 08:10 AM
Replies: 111
Views: 9,554
Posted By drowning in tbi

Re: They're IN!! Memcal adapters for all!

Do you have any assembled units in stock? Is the price still $25.00 delivered? Thanks.
Showing results 1 to 15 of 15


 
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