Out of Fuel - Anyone using 1300/1600 setup on the street?
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03 Cobra Killer
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Out of Fuel - Anyone using 1300/1600 setup on the street?
With my current setup, 550/1600's, GT35/40, Pineapple Large Streetport, I'm seeing 100% INJ Duty cycle from 8000rpm - 9000rpm @ 17psi. Base fuel pressure is 50psi, (~45psi @ idle). AFR's 11.2 - 11.5.
Is anyone running 1200 or 1300 primaries on the street? I have a new set (1500miles on them) of 850cc's bored to 1300's that I am considering putting in as my primaries...
I have datalogit logs of a few pulls if anyone is interested.
K
Is anyone running 1200 or 1300 primaries on the street? I have a new set (1500miles on them) of 850cc's bored to 1300's that I am considering putting in as my primaries...
I have datalogit logs of a few pulls if anyone is interested.
K
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right now i'm running 750/1600's and it seems to be fine. i'm running a sx rrfpr. i think that helps alot ! it runs very rich even at 18psi... like 10.0 -10.5 :o
this winter i am going to switch to 1680cc bosch primaries and a custom rail. i have the bosch injectors just sitting around might as well
this winter i am going to switch to 1680cc bosch primaries and a custom rail. i have the bosch injectors just sitting around might as well
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rrfpr meaning greater than (1:1) 1psi fuel pressure per 1psi boost pressure? I'm running the standard SX FPR, 1:1.
1) I'll try to raise my base fuel pressure a few psi to which should allow me to pull from fuel numbers out of the top of the map
2) I'll look into getting an SX RRFPR if #1 isn't enough before I go > 550/1600cc.
Thanks for the suggestion!
K
1) I'll try to raise my base fuel pressure a few psi to which should allow me to pull from fuel numbers out of the top of the map
2) I'll look into getting an SX RRFPR if #1 isn't enough before I go > 550/1600cc.
Thanks for the suggestion!
K
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rrfpr = rising rate fuel pressure regulator. it adds (1:1) for every extra PSI of boost. you got the standard one that just lets you set base pressure i guess ?
i verified on the dyno. i think my fuel pressure went from ~ 48 static at idle to 58 on boost. Note* that is just what i remember could be off LOL*
over the winter maybe i'll add another SX external pump too.... can't hurt
i verified on the dyno. i think my fuel pressure went from ~ 48 static at idle to 58 on boost. Note* that is just what i remember could be off LOL*
over the winter maybe i'll add another SX external pump too.... can't hurt
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Actually I think the STANDARD FPR (Fuel Pressure Regulator) raises 1psi fuel pressure for each 1psi of boost (Why else would it have a manifold pressure vaccum hose?).
The RRFPR (Rising Rate Fuel Pressure Regulator) raises MORE than 1psi fuel pressure for each 1psi of boost and I imagine that how MUCH more than 1psi of fuel pressure it raises is adjustable.
Q: Does your RRFPR have (2) "*****" or "screws" or "allens"? 1 for base pressure, 1 for how much the Rising Rate is?
going to do some research....
K
The RRFPR (Rising Rate Fuel Pressure Regulator) raises MORE than 1psi fuel pressure for each 1psi of boost and I imagine that how MUCH more than 1psi of fuel pressure it raises is adjustable.
Q: Does your RRFPR have (2) "*****" or "screws" or "allens"? 1 for base pressure, 1 for how much the Rising Rate is?
going to do some research....
K
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Maybe it's just me...but I wouldn't be pushing anything past 85% duty with that brand new expensive Pineapple motor...that's a chance I wouldn't want to take.
Throw some 1600's in the primary! Ralph @ Excessive has 1600 top feeds for the primary, and his car even idles decent!
Throw some 1600's in the primary! Ralph @ Excessive has 1600 top feeds for the primary, and his car even idles decent!
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Originally posted by GotBoostd7
Maybe it's just me...but I wouldn't be pushing anything past 85% duty with that brand new expensive Pineapple motor...that's a chance I wouldn't want to take.
Throw some 1600's in the primary! Ralph @ Excessive has 1600 top feeds for the primary, and his car even idles decent!
Maybe it's just me...but I wouldn't be pushing anything past 85% duty with that brand new expensive Pineapple motor...that's a chance I wouldn't want to take.
Throw some 1600's in the primary! Ralph @ Excessive has 1600 top feeds for the primary, and his car even idles decent!
K
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SX Aluminum Regulator
Adjustable with boost fitting for more fuel under boost.-10 or -6 connections $179
Part Number FS-10202
that is what i got from SRMotorsports. i didn't know they had different ones. if you find out any news lemme know. if you find a place to get a good primary rail for the bosch 1600's lemme know !
http://www.essexind.com/sx_page2.htm
Adjustable with boost fitting for more fuel under boost.-10 or -6 connections $179
Part Number FS-10202
that is what i got from SRMotorsports. i didn't know they had different ones. if you find out any news lemme know. if you find a place to get a good primary rail for the bosch 1600's lemme know !
http://www.essexind.com/sx_page2.htm
Last edited by vosko; 11-15-02 at 02:18 PM.
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Originally posted by nocab72
For you vosko...
For you vosko...
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the e11 has a cool feature, its got and extra fuel map for additional injectors, so you could run
2x550, 2x850, 2x1600's
mike
2x550, 2x850, 2x1600's
mike
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Originally posted by twokrx7
nocab72,
How are those PFC correction factors for air temp? Are your AFRs consistent with warmer air temps?
Kyle
nocab72,
How are those PFC correction factors for air temp? Are your AFRs consistent with warmer air temps?
Kyle
I need a temperature controllable dyno enviroment located inside a 100Mph wind tunnel.
Those correction factors should be pretty good for cars that are full mods w/twins as well as most all single setups. They were developed (tweaked) on my car over the past months...
Worst case, they are safe down to 10C intake, and a bit rich when intake is > 40C.
K
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Originally posted by vosko
SX Aluminum Regulator
Adjustable with boost fitting for more fuel under boost.-10 or -6 connections $179
Part Number FS-10202
that is what i got from SRMotorsports. i didn't know they had different ones. if you find out any news lemme know. if you find a place to get a good primary rail for the bosch 1600's lemme know !
http://www.essexind.com/sx_page2.htm
SX Aluminum Regulator
Adjustable with boost fitting for more fuel under boost.-10 or -6 connections $179
Part Number FS-10202
that is what i got from SRMotorsports. i didn't know they had different ones. if you find out any news lemme know. if you find a place to get a good primary rail for the bosch 1600's lemme know !
http://www.essexind.com/sx_page2.htm
Last edited by Badog; 11-15-02 at 03:08 PM.
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Originally posted by Badog
That model number is a 1:1 RRFPR....BTW...www.jegs.com sells them (without fittings) for $129, and the RX7STORE sells them with fittings for cheaper than $179.
That model number is a 1:1 RRFPR....BTW...www.jegs.com sells them (without fittings) for $129, and the RX7STORE sells them with fittings for cheaper than $179.
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i thought the adjustable rrfpr only let you adjust base pressure? do they also let you change the gain?
nocab, if you **** up rob's motor is that included in his 5 yr. warranty?
nocab, if you **** up rob's motor is that included in his 5 yr. warranty?
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Looks like SR has an adjustable RRFPR as well, up to 4:1 -- fuel:boost rate. (sounds like it is base pressure and gain adjustable)
http://www.srmotorsports.com/srfuel.html
I never really got Rob's definition of "abuse" ...
K
http://www.srmotorsports.com/srfuel.html
Originally posted by fdracer
nocab, if you **** up rob's motor is that included in his 5 yr. warranty?
nocab, if you **** up rob's motor is that included in his 5 yr. warranty?
K
Last edited by nocab72; 11-15-02 at 03:15 PM.
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Originally posted by vosko
so there is a difference ? i only posted that because that is the one i have. i guess i have the better one ??
so there is a difference ? i only posted that because that is the one i have. i guess i have the better one ??
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Originally posted by Badog
It depends on how much you paid for the one you have? Does it have 2 adjustments or one?
It depends on how much you paid for the one you have? Does it have 2 adjustments or one?
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Originally posted by vosko
right now i'm running 750/1600's and it seems to be fine. i'm running a sx rrfpr. i think that helps alot ! it runs very rich even at 18psi... like 10.0 -10.5 :o
this winter i am going to switch to 1680cc bosch primaries and a custom rail. i have the bosch injectors just sitting around might as well
right now i'm running 750/1600's and it seems to be fine. i'm running a sx rrfpr. i think that helps alot ! it runs very rich even at 18psi... like 10.0 -10.5 :o
this winter i am going to switch to 1680cc bosch primaries and a custom rail. i have the bosch injectors just sitting around might as well
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Originally posted by vosko
so we still don't know if mine is adjustable the amount of fuel pressure added LOL
so we still don't know if mine is adjustable the amount of fuel pressure added LOL
I assume the RRFPR (allowing to adjust the amount of fuel pressure raise > 1:1) requires a second adjustment screw.
K