New comp 224/228 in - Better MPG?
02-04-2004, 10:19 AM
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New comp 224/228 in - Better MPG? I just had the following installed in my car.
More Performace custom grind nitrious cam 224/228 114, d-springs, retainers, pushrods, headers, no cat, y-pipe,.
I was driving back from NC to VA (I have a "first shot" tune in it right now) and it is running a bit lean WOT. We are working on correcting that but, to my disbelief I was over the 200 mile mark when I hit half a tank! Now I do not have a problem with this but, was a bit shocked. Granted it was highway driving @ 1750 RPM with 2.73 gears but still.
I will post up more info numbers and sounds when we finish getting her in the 880 range w/ the O2's
More Performace custom grind nitrious cam 224/228 114, d-springs, retainers, pushrods, headers, no cat, y-pipe,.
I was driving back from NC to VA (I have a "first shot" tune in it right now) and it is running a bit lean WOT. We are working on correcting that but, to my disbelief I was over the 200 mile mark when I hit half a tank! Now I do not have a problem with this but, was a bit shocked. Granted it was highway driving @ 1750 RPM with 2.73 gears but still.
I will post up more info numbers and sounds when we finish getting her in the 880 range w/ the O2's
02-04-2004, 11:51 AM
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Originally Posted by taqwache
dam thats weird. where you getting any KR. my car use to get 30 when stock and 28 with the 4.10s. now with my new motor i dont know were it is going to be.
I got some KR at first and we got that straight, now just to get it to idle and run in the 880-900 range WOT.
02-04-2004, 05:54 PM
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dude the gas gauge is electronically controlled by the ecu. so its probably the ecu telling the gas gauge to scale like that, maybe to make you feel better
i bet you could get a code-warrior to hack the ecu so you are full until you reach 1 gallon then go to empty
i bet you could get a code-warrior to hack the ecu so you are full until you reach 1 gallon then go to empty
02-04-2004, 08:22 PM
#5
I went from averaging 23 to 24 mpg w/basic bolt on's to ~21 to 23mpg with heads/cam & gears. I think my mpg would be the same or better if I still had 3.42's instead of 4.10's.
Best was 32.8mpg highway w/basic bolt on's. No long trips since heads and cam but I have got ~26.5 a few times with a good bit of highway driving with stuff in sig.
Best was 32.8mpg highway w/basic bolt on's. No long trips since heads and cam but I have got ~26.5 a few times with a good bit of highway driving with stuff in sig.
02-05-2004, 05:18 AM
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Originally Posted by samz28
dude the gas gauge is electronically controlled by the ecu. so its probably the ecu telling the gas gauge to scale like that, maybe to make you feel better
i bet you could get a code-warrior to hack the ecu so you are full until you reach 1 gallon then go to empty
i bet you could get a code-warrior to hack the ecu so you are full until you reach 1 gallon then go to empty
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02-05-2004, 07:13 AM
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Originally Posted by samz28
yah while we're requestion how about scaling the water temp gauge too lol j/k
lol j/k
02-05-2004, 07:21 AM
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Originally Posted by Debian Dog
HAH! Mine is dead on (lucky me) I have compared it to the Preadators readings.
02-05-2004, 10:49 AM
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Originally Posted by 02 Pewter LS1
What are you doing about your tuning with the Predator. Is James making a custom tune for you? How is your car running with the tune that is in there with your cam.
James is having some issues with getting it to idle but to be fair he has only made 2 attempts so far and we were working on getting the LTirms down. He was busy yesterday so hopefully today! It "almost" idles now, and it willl run in closed loop but it usually stalls when it goes to open.
