at what point do u need better injectors?
10-17-2012, 03:40 PM
#1
TECH Enthusiast
Thread Starter
at what point do u need better injectors? hey guys so quick question, im planning on doing a cam swap this winter and my parts list is growing, as of right now i am deciding between the tsp 228r and the tsp v3. i plan on upgrading EVERYTHING possible to bring out the most in the cam but im curious between those two cams would i need to upgrade the fuel injectors?? i mean at what point should you consider upgrading them?
10-17-2012, 04:03 PM
#2
Launching!
Join Date: Apr 2011
Posts: 253
Likes: 0
Received 0 Likes
on
0 Posts
Cam only you may be able to get away with stock injectors. Add some good flowing heads and chances are you'll need some bigger ones.
Whether you need bigger injectors or not is determined by injector duty cycle. You don't want your injector duty cycle maxing out ir coming close to maxing out. Anything over 80% and you should consider bigger flowing injectors.
Your tuner will be able to tell you what the duty cycle is at. A lot of times it's better to upgrade to bigger injectors before getting tuned, otherwise your tuner may have to charge you again to get it re tuned
Whether you need bigger injectors or not is determined by injector duty cycle. You don't want your injector duty cycle maxing out ir coming close to maxing out. Anything over 80% and you should consider bigger flowing injectors.
Your tuner will be able to tell you what the duty cycle is at. A lot of times it's better to upgrade to bigger injectors before getting tuned, otherwise your tuner may have to charge you again to get it re tuned
10-17-2012, 04:59 PM
#3
TECH Enthusiast
Thread Starter
Cam only you may be able to get away with stock injectors. Add some good flowing heads and chances are you'll need some bigger ones.
Whether you need bigger injectors or not is determined by injector duty cycle. You don't want your injector duty cycle maxing out ir coming close to maxing out. Anything over 80% and you should consider bigger flowing injectors.
Your tuner will be able to tell you what the duty cycle is at. A lot of times it's better to upgrade to bigger injectors before getting tuned, otherwise your tuner may have to charge you again to get it re tuned
Whether you need bigger injectors or not is determined by injector duty cycle. You don't want your injector duty cycle maxing out ir coming close to maxing out. Anything over 80% and you should consider bigger flowing injectors.
Your tuner will be able to tell you what the duty cycle is at. A lot of times it's better to upgrade to bigger injectors before getting tuned, otherwise your tuner may have to charge you again to get it re tuned
well right now i plan on going with an ls6 intake and some ported 243 heads with either of those cams would those mods justify getting bigger injectors with either of those cams?
10-17-2012, 08:22 PM
#7
Teching In
Join Date: Sep 2012
Location: Greensboro NC
Posts: 23
Likes: 0
Received 0 Likes
on
0 Posts
I would up grade, I maxed out my stock injectors with a cam, 243s and intake. Since you already will have to tune the car, there isnt no point in tunning it two times because you findout your stocks are not workingfor you, save money in the long run!
Trending Topics
10-19-2012, 02:44 PM
#9
Launching!
iTrader: (4)
Join Date: Sep 2011
Location: PHX
Posts: 251
Likes: 0
Received 0 Likes
on
0 Posts
I'm obviously a little bias but I would definitely go with the v3. The cam paired up well with my 243's and actually has some street manners!
10-24-2012, 01:32 PM
#18
Im making 370whp no cam fast intake with other mods In Sig with dual 255s with hotwire kit and I'm at 90% duty cycle if I want a cam which I will ... I'm going to need injectors and I bought 8 GTP injectors for 65$ going to clean them up and throw them in !!
10-25-2012, 11:07 AM
#20
TECH Apprentice
iTrader: (1)
Join Date: Jan 2012
Location: Hawaii
Posts: 349
Likes: 0
Received 0 Likes
on
0 Posts
WARNING- DO NoT EVEN START THE CAR WHEN uSINg LARGeR INJECTORS WITHOUT A TUNE...
Cam only and I was at 105 duty cycles at 5800 rpms. I got racetronic 42lb injectors. My tuner let me put them in real quik when the car was sitting on the dyno.
Cam only and I was at 105 duty cycles at 5800 rpms. I got racetronic 42lb injectors. My tuner let me put them in real quik when the car was sitting on the dyno.