58mm throttlebody good for a bolt-on car?
#1
58mm throttlebody good for a bolt-on car?
Car has LS1 Lid conversion w/ granatelli lid/k&n filter, ture duals with hooker midlengths, 1.6rr.
What I am mainly looking for is better throttle response more than hp. I know some report better response with the bigger tb's but what about on a bolt on car? Thoughts with the ls1 lid?
Second question should I descreen the maf with the ls1 lid conversion if I am getting it tuned by pcm4less?
What I am mainly looking for is better throttle response more than hp. I know some report better response with the bigger tb's but what about on a bolt on car? Thoughts with the ls1 lid?
Second question should I descreen the maf with the ls1 lid conversion if I am getting it tuned by pcm4less?
#3
Well feel free to argue but a 58mm would be to much fo nothing.A good 52 mm would be fair enough and would give you a better throttle response.
The screen of the mass air flow is only usefull at idle.It smooth out the air so that you can have a clear idle.But when your running it act like a small restriction.I would take it off.
The screen of the mass air flow is only usefull at idle.It smooth out the air so that you can have a clear idle.But when your running it act like a small restriction.I would take it off.
#5
Do not remove the MAF "screen"..... its there to provide "smoothing" of the air flow under both laminar and turbulent flow conditions. It does not provide a significant flow obstruction. You will do more damage by screwing up the MAF sensor calibration when you remove the screen.
#6
Thanks Fred. I'll leave it on in that case.
Any throttle response difference between a 52mm and a 58mm on a bolt on car? I will port the intake for 58mm if it seems at all worthwhile. For just the added throttle response I would do it but not if I am going to bog or lose power. Any bog w/ the 52mm?
Any throttle response difference between a 52mm and a 58mm on a bolt on car? I will port the intake for 58mm if it seems at all worthwhile. For just the added throttle response I would do it but not if I am going to bog or lose power. Any bog w/ the 52mm?
#7
Do not remove the MAF "screen"..... its there to provide "smoothing" of the air flow under both laminar and turbulent flow conditions. It does not provide a significant flow obstruction. You will do more damage by screwing up the MAF sensor calibration when you remove the screen.
#8
Thanks Fred. I'll leave it on in that case.
Any throttle response difference between a 52mm and a 58mm on a bolt on car? I will port the intake for 58mm if it seems at all worthwhile. For just the added throttle response I would do it but not if I am going to bog or lose power. Any bog w/ the 52mm?
Any throttle response difference between a 52mm and a 58mm on a bolt on car? I will port the intake for 58mm if it seems at all worthwhile. For just the added throttle response I would do it but not if I am going to bog or lose power. Any bog w/ the 52mm?
#10
Do not remove the MAF "screen"..... its there to provide "smoothing" of the air flow under both laminar and turbulent flow conditions. It does not provide a significant flow obstruction. You will do more damage by screwing up the MAF sensor calibration when you remove the screen.
#11
Yes you can lean it out slightly by pulling the screen BUT if the tuning is right you do not need to lean it out anymore.
What exactly do you think is so different between the LT1 and LS1 MAFs where you believe it is good too descreen one and not the other???
What exactly do you think is so different between the LT1 and LS1 MAFs where you believe it is good too descreen one and not the other???
#12
The size of the MAF....
#14
All I know is that every tuner I've ever talked to said that removing the MAF screen was a good thing for the LT1s, but not for the LS1s. I read the article that GM high tech put out, and I believe it was called "putting your LT1 deep into the 13s with basic bolt-ons". I did everything that they recommended, including removing the screen and my car ran 13.49@106 in the 1/4 mile. I think the LS1 intake, different type of throttle body, and/or the size of the MAF sensor has something to do with not removing the screen on the LS1.
#15
Car has LS1 Lid conversion w/ granatelli lid/k&n filter, ture duals with hooker midlengths, 1.6rr.
What I am mainly looking for is better throttle response more than hp. I know some report better response with the bigger tb's but what about on a bolt on car? Thoughts with the ls1 lid?
Second question should I descreen the maf with the ls1 lid conversion if I am getting it tuned by pcm4less?
What I am mainly looking for is better throttle response more than hp. I know some report better response with the bigger tb's but what about on a bolt on car? Thoughts with the ls1 lid?
Second question should I descreen the maf with the ls1 lid conversion if I am getting it tuned by pcm4less?