What fuel are you running on your hybrid turbo?
01-08-06, 05:37 AM
#2
My (humble) opinion is that you go with the Walbro (or Supra) fuel-pump and put in some 1000cc's or above injectors.
Kind of annoying having to limit yourself (boost-wise) because you don't have enough fuel.
I've heard/read several times that the max. *safe* amount of power that 720cc's will support is around 260-270whp. Granted, I've also seen several 300whp accounts, but you're really starting to push the duty-cycle %.
My personal experience (which I just recounted in another thread) is that with a:
small hybrid
street-port
3" exhaust/intake
S-AFC
Profec B EBC
Walbro 255
cleaned 550's/720's
At 15psi I blew my motor... Several shattered apex seals.
Moral of the story is: More fuel and better management is a gooooood idea when upgrading the turbo, lol.
Kind of annoying having to limit yourself (boost-wise) because you don't have enough fuel.
I've heard/read several times that the max. *safe* amount of power that 720cc's will support is around 260-270whp. Granted, I've also seen several 300whp accounts, but you're really starting to push the duty-cycle %.
My personal experience (which I just recounted in another thread) is that with a:
small hybrid
street-port
3" exhaust/intake
S-AFC
Profec B EBC
Walbro 255
cleaned 550's/720's
At 15psi I blew my motor... Several shattered apex seals.
Moral of the story is: More fuel and better management is a gooooood idea when upgrading the turbo, lol.
01-08-06, 12:44 PM
#3
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i ran 11psi on a v trim hybrid with the following.
fcon
fd fuel pump
rb turbo back
3" tid (2" tid gave it some crazy low end)
i ran it that way for 9 months or so before the car was vandalised
fcon
fd fuel pump
rb turbo back
3" tid (2" tid gave it some crazy low end)
i ran it that way for 9 months or so before the car was vandalised
01-08-06, 12:46 PM
#4
720's all around and a FD fuel pump with an LT8x controlling everything.
stage 2 hybrid, stage 3 porting, 3" turboback exhaust, custom TID, tmic(for now)
87 octane if you wanted to know that as well, flame on.
stage 2 hybrid, stage 3 porting, 3" turboback exhaust, custom TID, tmic(for now)
87 octane if you wanted to know that as well, flame on.
Last edited by RotaryEvolution; 01-08-06 at 12:50 PM.
01-08-06, 01:11 PM
#6
Originally Posted by eriksseven
Kind of annoying having to limit yourself (boost-wise) because you don't have enough fuel.
You can much more easily reduce the amount of fuel being sprayed then reducce the amount of boost being produced.
Therefore why cheap out on the fuel (BTW its the thing that'll save you from suffering the same fate as erik here) and say...ahhh I think these injectors are big enough....put in two pair of slightly over adequeate (either a 550-1600 set up......or say a 750-1300 set up) injectors and pump and then you don't have to worry about it.
On the other hand keep in mind that too big of an injector will make tuning the lower end as well as transitional parts of your map harder
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01-08-06, 02:07 PM
#8
if the question was "what octane are you running"..then id say nothing short of 91 (im in cali)....
i wont say anything karack, i ran 87 in my turbo for a long while too (when gas prices were astronomical), and i really didnt see any difference, plus, iirc the manual says to use 87 octane, but that just might be for the NA
i wont say anything karack, i ran 87 in my turbo for a long while too (when gas prices were astronomical), and i really didnt see any difference, plus, iirc the manual says to use 87 octane, but that just might be for the NA
02-01-06, 03:02 AM
#9
alright, so now im planning on the rtek 2.0 which will do 720/720 no prob. and you can just tune the difference for the secondaries and fit some bigger injectors.......maybe 850 or some 1000s. we'll see
might be looking at a slightly bigger hybird at a later stage too.
post-hybrid will be haltech w/ some 1600 secondaries
might be looking at a slightly bigger hybird at a later stage too.
post-hybrid will be haltech w/ some 1600 secondaries
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