Couple Problems..... Soft Code???

Unit 5302 · 02-18-2006, 03:35 PM

The two problems may be unrelated. I would tend to agree with the comments about the engine being lean as a likely source for your top end backfiring. With the kind of horsepower I'd expect that combination to be capable of achieving with a decent tune, you'd need about 60psi on the stock injectors to simulate the stock injection cycle. You're running 39, which would be spot on for 24lb/hr units.

As Jeff stated, getting it to a dyno might not be a bad idea, considering you could easily blow the engine if you're as lean as we suspect you may be.

rwhite65 · 02-18-2006, 09:17 PM

Jeff and Unit offer reliable advise. I would stay on the safe side and look into the lean issue.

I know very little about fuel injection, but it makes sense with the better heads, the stock injectors might have trouble keeping up.
Ryan

02-18-2006, 03:35 PM	#1
Unit 5302 Registered Member Join Date: May 1999 Posts: 5,246	Re: Couple Problems..... Soft Code??? The two problems may be unrelated. I would tend to agree with the comments about the engine being lean as a likely source for your top end backfiring. With the kind of horsepower I'd expect that combination to be capable of achieving with a decent tune, you'd need about 60psi on the stock injectors to simulate the stock injection cycle. You're running 39, which would be spot on for 24lb/hr units. As Jeff stated, getting it to a dyno might not be a bad idea, considering you could easily blow the engine if you're as lean as we suspect you may be.

02-18-2006, 09:17 PM	#2
rwhite65 Ride Hard Join Date: Oct 2000 Location: Wyoming IL Posts: 1,094	Re: Couple Problems..... Soft Code??? Jeff and Unit offer reliable advise. I would stay on the safe side and look into the lean issue. I know very little about fuel injection, but it makes sense with the better heads, the stock injectors might have trouble keeping up. Ryan __________________ 65 Fastback 91 roller 306, H/C/I AOD-Bauman, PI Stallion, 4.10's and traction loc 04 Grand Cherokee Freedom Edition 79 Ford F-250 4x4 - Restored

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