FPR Shim?
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Joined: Nov 2008
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From: Lakewood, Colorado
FPR Shim?
I have a 97 California truck... and according to this, http://www.superdutydiesel.com/wiki/...hp?articleId=2
California trucks already have the FPR shimmed... Would i still benefit from a beebee?
California trucks already have the FPR shimmed... Would i still benefit from a beebee?
Cargo Master
Joined: Jul 2006
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From: Nampa, ID
What is your fuel pressure reading now? I don't know about Cali trucks, but my 49-state Idaho truck is supposed to read 40 - 80 PSI at idle.
Mine was reading low. I added the BB to get it back up to around 70 - 75 PSI. She's been running smoother ever since.
Mine was reading low. I added the BB to get it back up to around 70 - 75 PSI. She's been running smoother ever since.
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From: Lakewood, Colorado
Have not tested it yet... might try and test it tommorow, but I know that some people are thinking my rev issue (wont rev much past 3300-3400 rpm) is either Fuel Pressure related, or HPOP related... And if its fuel Pressure related, i would think that I would be just doing a shim to fix it.
Hotshot
Joined: Jul 2008
Posts: 11,231
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From: Thomasville, GA
Check it with a cheap tire gauge... if it's below 50 psi put a BB in. Then check it again and if it's between 50 and 80 you should be good. Mine went from 40 psi before, to 65 psi after the shim. Runs a lot better now.
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From: Lakewood, Colorado
Well it the gauge (cheapo from walmart) went to about 35 PSI instantly and then started to creep up towards 45 or so after holding it there for about 5-10 seconds.... so I am going to put a bb in and see what happens.
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From: Lakewood, Colorado
lol well with the bb in there its more so around 15 psi.... i dont understand this.... lol
truck runs just fine though... this is a video from just a few minutes ago...
http://www.youtube.com/watch?v=h2OZv7jq_Fw
Im suppost to put the BB between the silver thingy and the spring right?
truck runs just fine though... this is a video from just a few minutes ago...
http://www.youtube.com/watch?v=h2OZv7jq_Fw
Im suppost to put the BB between the silver thingy and the spring right?
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From: Lakewood, Colorado
Well i tested the pressure again and now it only is making around 25 pounds... so i took the BB out and now its making like 15-20. Guess Ill be driving the other truck I got today to work and see if I cant figure out this issue tommorow...
Truck runs just fine though....
Truck runs just fine though....
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From: THUNDER BAY
Matt you should really try getting a real gauge from what I understand is the cali models already have higher pressures due to the split shot injectors.
just wondering have you cleaned the fpr screen? and have your injector o rings ever been changed ?
Walter
just wondering have you cleaned the fpr screen? and have your injector o rings ever been changed ?
Walter
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