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Well I made it to the Dyno yest to see what gains I would get with the lethal ported 102 over a stock fast 90. My previous numbers with std correction were 495/450. And without changing anything other than the intake it made 496/451. I was very dissapointed. U couldn't have traced the graphs any better on hp/tq and on the a/f. So for guys with medium to small heads/stock id say stick with the 90/92. The 102 will not benefit u at all. So needless to say the intake is coming off and im porting my fast 90 and not looking back. But stephen at etmc did get some more hp and tq out of the car by tuning, but that coulda been done before this intake due to it being rich. Final numbers were 505/460 std or 496/451 sae. It picked up a lil more under the curve. So it looks like my setup is maxed out right under the 500 mark. Anyway just thought id share.
Bummer. My ported fast worked wonders over my ported stock but that's a no brainer. I guess you proved what has been said before, the Fast 90 works great if you have one but for people like me, the 102 is the way to go unless you can get your hands on a 90 Fast.
Well I made it to the Dyno yest to see what gains I would get with the lethal ported 102 over a stock fast 90. My previous numbers with std correction were 495/450. And without changing anything other than the intake it made 496/451. I was very dissapointed. U couldn't have traced the graphs any better on hp/tq and on the a/f. So for guys with medium to small heads/stock id say stick with the 90/92. The 102 will not benefit u at all. So needless to say the intake is coming off and im porting my fast 90 and not looking back. But stephen at etmc did get some more hp and tq out of the car by tuning, but that coulda been done before this intake due to it being rich. Final numbers were 505/460 std or 496/451 sae. It picked up a lil more under the curve. So it looks like my setup is maxed out right under the 500 mark. Anyway just thought id share.
Do i understand you right that you picked up 5 RWHP and 9 RWTQ going from FAST 90 to PORTED 102. What did you expect. I went from a PORTED 90 to A Ported 102 and picked up 5rwhp & 7 RWTQ pretty much across the curve.It cost some money to do the test. did you have same dyno, same std/sae , same porter, same tuner. I had everything in that succession and my final was still + 5RWhp/+7RWTQ. In conclusion its not worth the expense and if you already have a PORTED 90/92 Keep it.
If you have a oem get a 102 and get it PORTED & RETUNED.
Now even with the correction factors, would warmer more humid air equate lower hp? Because its all what the car is breathing in right? Maybe someone can elaborate? This is what the weather was for both days:
Fast 90: 71° 21%humidity 30.06 b press
Fast 102: 77° 60%humidity 30.11 b press
Now even with the correction factors, would warmer more humid air equate lower hp? Because its all what the car is breathing in right? Maybe someone can elaborate? This is what the weather was for both days:
Fast 90: 71° 21%humidity 30.06 b press
Fast 102: 77° 60%humidity 30.11 b press
I'm no expert but that seems significantly different. That would be a huge difference at the track.
Jeff
Last edited by Justasheet; Mar 19, 2011 at 05:03 PM.
From: Austin, Singapore, Kuala Lumpur, Houston, Dallas, Hong Kong, Elgin, etc.. Texas
You should be comparing SAE to SAE. That's what is is designed to do. The correction factor takes care of the temp and barametric air density differences.
And lschlem, as I stated u guys with the bigger heads like u have will benefit from the 102.
Well you have a point on that one. The only thing I can say is I used consistency in all my mods to quantify. The last test I had the Cam
TFS Heads & the 4.10 gears. I ran the 90 w3 pulls then we changed to the 102 in 20 min or i should say Jeremy did. then we did 3 pulls and the best we could do is +5 rwhp/ +7 rwtq. It was a 99 deg day and the power was down significantly w both manifolds. I dont know what the 90/102
test would do on a otherwise stocker or at least a bolton. As a bolton
I had 412 rw with the ported 90. Again I say dont dispose of your 90 and get a 102. There are better areas to spend your money. +15rw from a
EWP & ud pulley ?.
You should be comparing SAE to SAE. That's what is is designed to do. The correction factor takes care of the temp and barametric air density differences.
who ported the 102? The 102 is very, very good from the factory and not alot of room for porting. If someone doesn't know what they are doing or gets to aggresive a 102 can easily be screwed up. In the hands of someone like tony mamo or vengeance thats knows what they are doing you can get more from a 102.
Apology to the OP.
Jeff do you still have the dog?. If she has pups will you give me one?
I wish I still had him. He was a handsome devil. I believe Mark Twain said, "The only bad thing about a dog is that they don't live very long." This is especially true with bulldogs.