EBPV brake?
Post Fiend
Joined: Oct 2003
Posts: 5,903
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From: MICHIGAN
Lead Driver
Joined: May 2007
Posts: 8,608
Likes: 13
From: Belair md
its easy to do but i had startling backpressure numbers when i played around with it unloaded on level ground, i would be scared to see the numbers at higher rpm with a load, a gauge would be recomended from me
Post Fiend
Joined: Mar 2007
Posts: 9,010
Likes: 5
From: Johnson City, TN.
I had a gauge on mine and I pull a 5er about 15,000 lbs. Going down the Saluda grade on I-26 in S.C. or coming down from the plateau from Cumberland county, TN. I would see decent numbers but not usually above 27-30 psi. or so in an extreme situation. Most of the time it wouldn't get above 25 psi. I believe they are safe just don't leave it on all the time when driving. I use mine to warm up and for braking when towing. You will be fine.
It is easy to hook up just cut the wire with the red tracer on it and supply a 12v switched line to it and then plug the plug back in.
It is easy to hook up just cut the wire with the red tracer on it and supply a 12v switched line to it and then plug the plug back in.
Elder User
Joined: May 2007
Posts: 943
Likes: 0
From: North East, MD
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Post Fiend
Joined: Oct 2003
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From: MICHIGAN
The Exhaust Back Pressure (EBP) Sensor is 5v.
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Posting Guru
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I don't know how much it would change but my tests were done on my 5 speed, haven't tried a automatic yet.
Lead Driver
Joined: May 2007
Posts: 8,608
Likes: 13
From: Belair md
neal how did you get no more then 27 psi? what rpm were you turning? i could peg the gauge over 45-50 psi at 2500 rpm. also when using it as a warmup valve at 1200 rpm i was at the 30 psi mark...... i would have to find my post on the findings to get my exact numbers but the search feature has frustrated me again.
Post Fiend
Joined: Mar 2007
Posts: 9,010
Likes: 5
From: Johnson City, TN.
neal how did you get no more then 27 psi? what rpm were you turning? i could peg the gauge over 45-50 psi at 2500 rpm. also when using it as a warmup valve at 1200 rpm i was at the 30 psi mark...... i would have to find my post on the findings to get my exact numbers but the search feature has frustrated me again.
Also how did you hook up your gauge? I put a "T" right under my BP sensor and plumbed it to my gauge.
Lead Driver
Joined: May 2007
Posts: 8,608
Likes: 13
From: Belair md
my normal driving was usually like yours, basicly the same as boost psi. i ran a mechanical gauge as you did and also used the factory ebp sensor via the NGS, whatever the reading is you just subtracted 14.7 from it to get the actual, the 2 gauges matched, i will borrow the ngs and re-run the test at all rpm levels and write my numbers down this time.........lol.
as for my mods-
stock engine at 245k
stock injectors
stock turbo
stock hpop
stock fuel system
homegrown intake
1705 superchip on max
c00nhunterjoe 14.7k icp mod
3 inch dp to 4 inch straight pipe
4.7k eot mod (was not on for test)
as for my mods-
stock engine at 245k
stock injectors
stock turbo
stock hpop
stock fuel system
homegrown intake
1705 superchip on max
c00nhunterjoe 14.7k icp mod
3 inch dp to 4 inch straight pipe
4.7k eot mod (was not on for test)
Post Fiend
Joined: Mar 2007
Posts: 9,010
Likes: 5
From: Johnson City, TN.
I left my gauge on all the time so I could see it in all situations. The only problem is that after several months the gauge got clogged up with carbon or soot. I sent it back and they repaired or replaced it. They said I could put some screens in line but they will clog also. I have the gauge back but haven't reinstalled it yet. I'll be gone this weekend but I may be able to drop it in next week and we can do some comparisons.
My mods are the same as yours except for the chip.
My mods are the same as yours except for the chip.