740s are in
740s are in
She was flooded very bad afer the swap. I had to put a torch to the plugs to clean them and burn all the fuel off. I let the cylinders sit open for a few hours to air our. She then cranked right up, 0.69 correcfion factor in the e-manage 516cc to 740cc. Idles at 14.7:1afr and revs fine, will test drive her soon. At an actual 5.00v on the Z32 MAF the ECU will only see 3.45v, so I should get some ignition timing advance back as a bonus!
Originally Posted by MardiGrasMax
0.69 correcfion factor in the e-manage 516cc to 740cc. Idles at 14.7:1afr and revs fine, will test drive her soon.
I am wondering, I know that you are using the JWT program to run the 516cc injectors. Thus using feature on e-manage that correct for bigger injectors, 516-740 to correct. But can e-manage correct if going from 240cc to 740cc with stock ecu?
Originally Posted by SonicDust187
I am wondering, I know that you are using the JWT program to run the 516cc injectors. Thus using feature on e-manage that correct for bigger injectors, 516-740 to correct. But can e-manage correct if going from 240cc to 740cc with stock ecu?
Please do, however after what you said JWT had to do to fix that cold start issue, I'd say the eManage can't by just shortening IPW anymore.
Originally Posted by MardiGrasMax
I can give it a try in a bit
Another question. If JWT was able to fix the problem with 516cc injectors. Why couldnt htey just do the 740cc program for you? What is your base fuel pressure with the 740cc?
Can you explain that more please?
Originally Posted by MardiGrasMax
At an actual 5.00v on the Z32 MAF the ECU will only see 3.45v, so I should get some ignition timing advance back as a bonus!
Originally Posted by SonicDust187
Another question. If JWT was able to fix the problem with 516cc injectors. Why couldnt htey just do the 740cc program for you? What is your base fuel pressure with the 740cc?
Fuel pressure is stock 38psi at idle with vac line atached, 43psi with vac line pulled/
Originally Posted by IceY2K1
Can you explain that more please?
Okay...thanks~!
Originally Posted by MardiGrasMax
The ECU is designed to pull timing as boost pressure (read as MAF voltage by the ECU) increases. If the ECU thinks that I am only at 3.6v (perhaps 8psi) it will give me the timing for its 8psi program, this will obviously have less timing advance than if it were reading my true 5v rading at 15 psi of boost.
Nigel,
I have been considering a duel feed set up, instead of the loop through. I dont think its necessary just yet. with the built 3.5L (somday
) it will be. Just split the feed line into both rails and return them itno my dual port requlator I already have with just one port in use.
Ice,
Not yet, it will be a while, work has been hell latley.
I have been considering a duel feed set up, instead of the loop through. I dont think its necessary just yet. with the built 3.5L (somday
) it will be. Just split the feed line into both rails and return them itno my dual port requlator I already have with just one port in use.Ice,
Not yet, it will be a while, work has been hell latley.
Joined: Mar 2002
Posts: 1,035
From: Fort Collins, Colorado
Smart move! I thought of doing that exact thing myself,but I am not even close to outflowing fuel rail yet.
Originally Posted by MardiGrasMax
Nigel,
I have been considering a duel feed set up, instead of the loop through. I dont think its necessary just yet. with the built 3.5L (somday
) it will be. Just split the feed line into both rails and return them itno my dual port requlator I already have with just one port in use.
.
I have been considering a duel feed set up, instead of the loop through. I dont think its necessary just yet. with the built 3.5L (somday
) it will be. Just split the feed line into both rails and return them itno my dual port requlator I already have with just one port in use..
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