3rd Gen / L98 Engine Tech 1982 - 1992 Engine Related

FUEL PRESSURE 2 high at startup

Thread Tools
 
Search this Thread
 
Old Dec 9, 2004 | 11:11 AM
  #16  
aklim's Avatar
Banned
 
Joined: Mar 2001
Posts: 3,249
Re: FUEL PRESSURE 2 high at startup

Originally Posted by 85irocrebuildtpi
well i am not convinced yet that i cannot get her to idle out nice.

she sounded mean at throttle position up but way 2 rich, now we have a fuel pressure reg that works.

i have bumped the air to 790cfm from i think 570cfm stock, so more air, more compression, more fire, more gas, new promm.......

i could be way off here but 24lb injectors are being run by people on this site and on others and these can go to 80lbs of pressure.......

i hope i did not overdo it with the injectors and thanks for the heads up.
I wouldn't go that high as to 80 psi. Yes you can run 24# injectors with your EPROM set at 22. You can also walk with size 10 shoes when you need size 8. You have changed the max intake of air. What you don't know is what is the volume of air being sent to the cylinders at anything from closed to WOT, do you? You need someone that will run your car on a dyno and make corrections. Some spots will be too rich, some too lean and some just right. Need to adjust so all are just right.
Old Dec 9, 2004 | 12:16 PM
  #17  
85irocrebuildtpi's Avatar
Thread Starter
Registered User
 
Joined: Dec 2004
Posts: 64
Re: FUEL PRESSURE 2 high at startup

alright,

thanks for that post

and i am on track with my custom promm for my 24lb injectors

i didn't get to working on the car last night as my wife wanted me to take her to dinner.

thanks again!!!
Old Dec 9, 2004 | 03:47 PM
  #18  
85irocrebuildtpi's Avatar
Thread Starter
Registered User
 
Joined: Dec 2004
Posts: 64
Re: FUEL PRESSURE 2 high at startup

o.k, o.k, o.k

you guys are right about my approach but remember.....

I bet with ed wright of fastchip.com.

with all my cam specs, my air, and injectors even flat top pistons in the chip.....so if ed is on........................i'm all set, if he is only close i got something.......right now i got scrap metal and alot money shelled out....i am starting to clean up the plugs tonight........

on another note....my motor shop....JIM SANBORN, of SANBORN MACHINE SHOP in washington vt builds a macked out 350 motor to be raced on the quarter mile race track here in barre vermont.........he said i got all the motor my 700r tranny can handle without stalling the motor out....the idea was not to spend another 2,500 on a tranny..........

thanks for all the support i really aprreciate the comments on my little project car, i'll try to remember to take some pictures soon.
Old Dec 11, 2004 | 12:56 AM
  #19  
aklim's Avatar
Banned
 
Joined: Mar 2001
Posts: 3,249
Re: FUEL PRESSURE 2 high at startup

I don't care who builds your motor. Unless ther eis something wrong, the problem lies in the control system.

What do you mean it is all your tranny can handle without stalling? When I had the Accel 74219 cam, I kept stalling the engine. Had to adjust the IAC right and also change the torque converter to 500 prm above stock stall. With my cam, I had to get a 3600 stall converter.
Old Dec 12, 2004 | 06:26 AM
  #20  
85irocrebuildtpi's Avatar
Thread Starter
Registered User
 
Joined: Dec 2004
Posts: 64
Re: FUEL PRESSURE 2 high at startup

well let me start by saying i am only repeating what i have been told by Mr. Sanborn.....

so if i have been led down the wrong road so be it, all i wanted was a car that had some good get up and go. my motor job should of cost me 1,900 but i got it done for alot less than that and it is a 4 bolt main which is not that bad i think.

the motor is idling now a little rough but not bad, the motor needs to seat now and will get stronger and stronger So this is a success........ i'll see how she breaks in now and hopefully i will be real happy.

finished putting in aluminum drive shaft, torque arm, panhard and lower control arms,

my only problem is my exhaust is rapping on my subframe connector so we got to fix that minor problem today.

thanks for all the support

Last edited by 85irocrebuildtpi; Dec 12, 2004 at 08:09 AM.
Old Dec 12, 2004 | 10:28 AM
  #21  
aklim's Avatar
Banned
 
Joined: Mar 2001
Posts: 3,249
Re: FUEL PRESSURE 2 high at startup

Mr Sandborn probably assumes you understand what he says. I have dealt with many people who say something and assume you have all the answers and you understand everythig once they clue you in. In this case, you have to ask him more questions like "what can I do to the tranny to make it work?". I suspect it is the cam that is responsible for the stalling. I had that problem with the Accel 74219 camshaft. After I changed the IAC setting, it was much better but still a little stalling. Changed the torque converter to a 500 rpm above stock stall per LPE and life was good.
Old Dec 12, 2004 | 12:10 PM
  #22  
85irocrebuildtpi's Avatar
Thread Starter
Registered User
 
Joined: Dec 2004
Posts: 64
Talking Re: FUEL PRESSURE 2 high at startup

Originally Posted by aklim
Mr Sandborn probably assumes you understand what he says. I have dealt with many people who say something and assume you have all the answers and you understand everythig once they clue you in. In this case, you have to ask him more questions like "what can I do to the tranny to make it work?". I suspect it is the cam that is responsible for the stalling. I had that problem with the Accel 74219 camshaft. After I changed the IAC setting, it was much better but still a little stalling. Changed the torque converter to a 500 rpm above stock stall per LPE and life was good.

that is correct, he said this is as much hop i can put in without changing my tranny and rear end. i wanted a bumped up motor that had some guts..............i have reinforced the frame with weld on subframe connectors etc....and bumped the suspension with kyb's torque arm, panhard and lower control arms..........i hope she impresses me with a g-force........
Related Topics
Thread
Thread Starter
Forum
Replies
Last Post
DirtyDaveW
Forced Induction
13
Dec 1, 2016 05:37 PM
RUENUF
Cars For Sale
1
May 25, 2016 08:10 PM
RUENUF
South Atlantic
4
Mar 13, 2016 03:39 PM
chevroletfreak
LT1 Based Engine Tech
202
Jul 4, 2005 05:00 PM




All times are GMT -5. The time now is 02:40 PM.