f1r to f1x swap : pump gas /meth numbers
05-21-2013, 08:42 PM
#1
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f1r to f1x swap : pump gas /meth numbers i posted this in the dyno section by mistake so here goes..
all parts are bought from Dallas performance. including all 3 blowers
Taylor was always awesome to deal with and getting parts through.
My builder/tuners name is Sam Miller and is well known in the LSX community for building FAST nitrous cars and boosted cars.(sam88gta1 on here)
I have to thank Sam for always taking the time to answer all my questions ( and i ask a LOT of questions) and always do fantastic work on the car... his work is second to none in my opinion. I wont let anyone touch my car besides him. He did an awesome job on the tune. i cant wait to drive it... @ 930 rwhp with the f1R it drove like stock. it was So docile out of boost you would almost think it was just a noisey stock car.
I decided that i wasnt happy with the numbers my F1R made on pump and through the filter with 4" pully (926/896) as over 6400 rpm it seemed to be running out of air.
We did a Direct f1R to F1X swap, moving over the 4" pully to the X.
eventually i will do bigger injectors and a clutch at which point we shall pull the filter, do a C16 kill tune
here are the results
93 octane/meth.
434 lsx/mast heads
4" pully.
Dallas performance 5" Big mouth and filter.
STOCK NPP
stock ls7 intake.
all parts are bought from Dallas performance. including all 3 blowers
Taylor was always awesome to deal with and getting parts through.
My builder/tuners name is Sam Miller and is well known in the LSX community for building FAST nitrous cars and boosted cars.(sam88gta1 on here)
I have to thank Sam for always taking the time to answer all my questions ( and i ask a LOT of questions) and always do fantastic work on the car... his work is second to none in my opinion. I wont let anyone touch my car besides him. He did an awesome job on the tune. i cant wait to drive it... @ 930 rwhp with the f1R it drove like stock. it was So docile out of boost you would almost think it was just a noisey stock car.
I decided that i wasnt happy with the numbers my F1R made on pump and through the filter with 4" pully (926/896) as over 6400 rpm it seemed to be running out of air.
We did a Direct f1R to F1X swap, moving over the 4" pully to the X.
eventually i will do bigger injectors and a clutch at which point we shall pull the filter, do a C16 kill tune
here are the results
93 octane/meth.
434 lsx/mast heads
4" pully.
Dallas performance 5" Big mouth and filter.
STOCK NPP
stock ls7 intake.
05-21-2013, 11:54 PM
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f1r had a 4" intake setup. f1x inlet is 5" so i moved to a 5" intake.
the filter is slightly bigger with a bigger outlet, total surface area is close, with obviously the 5" setup having a little more surface area.
f1r put out 18.5# with the 4" pully. the X put out 25# with the same pully.
the filter is slightly bigger with a bigger outlet, total surface area is close, with obviously the 5" setup having a little more surface area.
f1r put out 18.5# with the 4" pully. the X put out 25# with the same pully.
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05-22-2013, 07:34 AM
#9
Awesome numbers with the change? Bob
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05-22-2013, 07:50 AM
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I joked around with him that the day he quits wrenching is the day my car goes up for sale
05-22-2013, 08:42 AM
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definitely worth the wait..
05-22-2013, 09:09 AM
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Also. the Tq increase overall isnt crazy. it only picked up 35-40ft# peak.. it just carries it out longer into the RPM range.
while it wasnt a cheap experiment.. i think it was a good exercise for the Centri people in general. no changes but the blower intake/filter. Same blower pully.. same everything else. this IMO this is a good indication of the f1X potential vs the R.
05-22-2013, 09:20 AM
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even if i was choking off 50 rwhp.... the f1X still has a filter on it too. the f1X has a 5" inlet so the charge pipe and filter outlet is 5", but the total surface of the filters are not vastely different.
IMO anything i would gain from pulling the filter off the R i would gain doing the same with the X.
also, i drive the car on the street with the filter so keeping it on was a more valid test.
once i do a clutch and injectors, ill do a c16 no filter tune for special events like the Texas invitational, but other wise.. it will stay on the 1100 rwhp through a filter tune.. im really impressed with the numbers from this blower.
05-22-2013, 10:36 AM
#17
Ok, I was thinking that maybe the issue with the F1-R was intake restriction, but it obviously wasn't. I'm used to the f-body location where the intake gets restricted due to having to make a hard turn in order to fit.
Congrats again on a badass setup.
Congrats again on a badass setup.
05-22-2013, 10:46 AM
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i'm sure the R was restricted by the intake/filter. That is why with the X i dynoed with the intake/filter on as well.. wanted to keep it as much apples to apples as i could.
