8.8CR without Supercharge Performance
#1
Registered User
Thread Starter
8.8CR without Supercharge Performance
Hay, recently i order build parts 8.8 Wiseco Piston, Brain Crower Rods, etc for my VQ35DE, now summer start here very hot so plan to put Vortech Supercharger later, so if i use 8.8cr on NA it really affect on performance? current mods list below :-
POP Charger Intake
Ported Lower plenum
Blox 5/16 plenum spacer
NWP 75mm Throttle body
Tomei Headers, Test pips, Y pipe
Greddy SP Elite Exhaust
8.8CR build
Thanks
POP Charger Intake
Ported Lower plenum
Blox 5/16 plenum spacer
NWP 75mm Throttle body
Tomei Headers, Test pips, Y pipe
Greddy SP Elite Exhaust
8.8CR build
Thanks
#2
Registered User
iTrader: (2)
Hay, recently i order build parts 8.8 Wiseco Piston, Brain Crower Rods, etc for my VQ35DE, now summer start here very hot so plan to put Vortech Supercharger later, so if i use 8.8cr on NA it really affect on performance? current mods list below :-
POP Charger Intake
Ported Lower plenum
Blox 5/16 plenum spacer
NWP 75mm Throttle body
Tomei Headers, Test pips, Y pipe
Greddy SP Elite Exhaust
8.8CR build
Thanks
POP Charger Intake
Ported Lower plenum
Blox 5/16 plenum spacer
NWP 75mm Throttle body
Tomei Headers, Test pips, Y pipe
Greddy SP Elite Exhaust
8.8CR build
Thanks
#3
Registered User
Hay, recently i order build parts 8.8 Wiseco Piston, Brain Crower Rods, etc for my VQ35DE, now summer start here very hot so plan to put Vortech Supercharger later, so if i use 8.8cr on NA it really affect on performance? current mods list below :-
POP Charger Intake
Ported Lower plenum
Blox 5/16 plenum spacer
NWP 75mm Throttle body
Tomei Headers, Test pips, Y pipe
Greddy SP Elite Exhaust
8.8CR build
Thanks
POP Charger Intake
Ported Lower plenum
Blox 5/16 plenum spacer
NWP 75mm Throttle body
Tomei Headers, Test pips, Y pipe
Greddy SP Elite Exhaust
8.8CR build
Thanks
#4
New Member
iTrader: (18)
"a lot" = about 5-10% with a 1 point change in compression ratio. So not that much. That said, since you really cannot overboost with a SC, it is safer to up the compression ratio to a value where it will not knock for the fuel you plan to use.
Lower compression is a great choice for turbos - you will always make more power on lower compression for a given octane as long as the turbos remain efficient at the boost you plan to run.
Lower compression is a great choice for turbos - you will always make more power on lower compression for a given octane as long as the turbos remain efficient at the boost you plan to run.
#5
Registered User
iTrader: (2)
"a lot" = about 5-10% with a 1 point change in compression ratio. So not that much. That said, since you really cannot overboost with a SC, it is safer to up the compression ratio to a value where it will not knock for the fuel you plan to use.
Lower compression is a great choice for turbos - you will always make more power on lower compression for a given octane as long as the turbos remain efficient at the boost you plan to run.
Lower compression is a great choice for turbos - you will always make more power on lower compression for a given octane as long as the turbos remain efficient at the boost you plan to run.
#6
New Member
iTrader: (3)
Got to agree with what's been said already. You will loose power running lower compression, but not a ton. To play the other side of that coin though, if you plan on going with the blower set up you can definitely get away with running something a little higher, or you can use the lower compression and run nitrous, its really dealers choice on what you want to do with the car.
#7
Registered User
up the compression low compression is for turbo builds.....
up it to 10: something.....run nitrous
better yet scrap your SC build go turbo.....massive twin turbos....>=^)
up it to 10: something.....run nitrous
better yet scrap your SC build go turbo.....massive twin turbos....>=^)
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