Disappointing Dyno Results
03-02-2005, 02:36 AM
#13
5th Gear Member
Join Date: May 2003
Location: Norfolk, VA
Posts: 2,129
RE: Disappointing Dyno Results
ORIGINAL: jdaniel
Did the guy operating the dyno know what he was doing? Did he do the reading in second or third gear??? Something isnt right. You should be making somewhere between 280-300 rwhp I would think.
Did the guy operating the dyno know what he was doing? Did he do the reading in second or third gear??? Something isnt right. You should be making somewhere between 280-300 rwhp I would think.
ORIGINAL: USAMuscle
Maybe it's a bad P&P job. If it's not done right you can actually hurt your performance due to several factors such as the A/F mixture not atomizing optimally.
Maybe it's a bad P&P job. If it's not done right you can actually hurt your performance due to several factors such as the A/F mixture not atomizing optimally.
03-02-2005, 04:10 AM
#14
6th Gear Member
Join Date: Jan 2004
Location: United States
Posts: 12,575
RE: Disappointing Dyno Results
Christ dude, you need a tune bad. Unless I am reading it wrong it looks like your sitting on almost 12:1 A/F ratio. It needs to be around 13:1 or so, maybe a bit higher. Before the aftermarket cams I picked up like 8 RWHP just by going from 12:1 to 12.2:1 (turned off my mail order chip).
Get a custom tune. And with those ported heads get some aftermarket camshafts. I hope you can do the work yourself, otherwise getting aftermarket cams installed is gonna cost a ton of cash.
BTW, you still have some boltons to do. The T/B, upper intake plenum, underdrives, and MAF will definatly pick up some horsepower if you don't want to mess with aftermarket camshafts. And LTs would be a big help too (although I realise you would have to drop the H pipe as well).
And get that sucker tuned!! Way to rich.
Get a custom tune. And with those ported heads get some aftermarket camshafts. I hope you can do the work yourself, otherwise getting aftermarket cams installed is gonna cost a ton of cash.
BTW, you still have some boltons to do. The T/B, upper intake plenum, underdrives, and MAF will definatly pick up some horsepower if you don't want to mess with aftermarket camshafts. And LTs would be a big help too (although I realise you would have to drop the H pipe as well).
And get that sucker tuned!! Way to rich.
03-02-2005, 05:01 AM
#15
5th Gear Member
Join Date: May 2003
Location: Norfolk, VA
Posts: 2,129
RE: Disappointing Dyno Results
ORIGINAL: 2000GT4.6
Christ dude, you need a tune bad. Unless I am reading it wrong it looks like your sitting on almost 12:1 A/F ratio. It needs to be around 13:1 or so, maybe a bit higher. Before the aftermarket cams I picked up like 8 RWHP just by going from 12:1 to 12.2:1 (turned off my mail order chip).
Get a custom tune. And with those ported heads get some aftermarket camshafts. I hope you can do the work yourself, otherwise getting aftermarket cams installed is gonna cost a ton of cash.
BTW, you still have some boltons to do. The T/B, upper intake plenum, underdrives, and MAF will definatly pick up some horsepower if you don't want to mess with aftermarket camshafts. And LTs would be a big help too (although I realise you would have to drop the H pipe as well).
And get that sucker tuned!! Way to rich.
Christ dude, you need a tune bad. Unless I am reading it wrong it looks like your sitting on almost 12:1 A/F ratio. It needs to be around 13:1 or so, maybe a bit higher. Before the aftermarket cams I picked up like 8 RWHP just by going from 12:1 to 12.2:1 (turned off my mail order chip).
Get a custom tune. And with those ported heads get some aftermarket camshafts. I hope you can do the work yourself, otherwise getting aftermarket cams installed is gonna cost a ton of cash.
BTW, you still have some boltons to do. The T/B, upper intake plenum, underdrives, and MAF will definatly pick up some horsepower if you don't want to mess with aftermarket camshafts. And LTs would be a big help too (although I realise you would have to drop the H pipe as well).
And get that sucker tuned!! Way to rich.
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