How far off are these numbers?
05-26-2008, 09:39 PM
#1
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How far off are these numbers? Just got my car back Friday from HPE here in Houston and had the following mods added:
!EGR
Pacesetter LTs
ORY
Ported TB
LS6 intake
SLP Lid
KN filter
HPE "S" cam
Vig 3200 stall converter
NGK TR55 plugs
MSD Wires
The car was dynoed through:
stock 10 bolt 3.23
auto non-locked converter
stock cat back
The car dynoed a whopping 355 WHP
These numbers look low to me, and the chart doesn't look right. What do yall think?
BTW The engine is a Jasper remanufacture job.
Specs on cam are 238/240, 112 LSA .605/.609
!EGR
Pacesetter LTs
ORY
Ported TB
LS6 intake
SLP Lid
KN filter
HPE "S" cam
Vig 3200 stall converter
NGK TR55 plugs
MSD Wires
The car was dynoed through:
stock 10 bolt 3.23
auto non-locked converter
stock cat back
The car dynoed a whopping 355 WHP
These numbers look low to me, and the chart doesn't look right. What do yall think?
BTW The engine is a Jasper remanufacture job.
Specs on cam are 238/240, 112 LSA .605/.609
05-26-2008, 11:58 PM
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the gears are killing it a bit. that and they were STD numbers and smoothing, both of which will give a higher peak number. But, I would do gears as my next mod, car isnt making that much power and its having a hard time pulling the top of the gear.
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05-27-2008, 09:06 AM
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Your stall is what is hurting you bud, autos hardly ever dyno good when they have a decent size stall in there. But don't worry about dyno numbers, go to the track and see what happens there, then you will be able to know if it is low or not.
05-27-2008, 10:28 AM
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That is the second time I was told I needed gears... how can you tell that from a dyno chart? Im looking for 400 to the wheels and short of heads Im not thinking its going to happen.
05-27-2008, 10:43 AM
#11
It really does look like float to me?
Now if u have proven its not then u have to figure on another 25RW from a LOCK verter
So in reality if the valvetrains okay I would say your numbers locked would be 380/340
But thats not SAE corrected...
Figure on losing another 10/10 SAE Corrected
370/330....
I dont know if thats good or bad but if u are asking for an opinion I think it stinks..
I made 365RW LOCKED with Mac headers,218-224 cam back in 2000 with a A4 WS6?
Now if u have proven its not then u have to figure on another 25RW from a LOCK verter
So in reality if the valvetrains okay I would say your numbers locked would be 380/340
But thats not SAE corrected...
Figure on losing another 10/10 SAE Corrected
370/330....
I dont know if thats good or bad but if u are asking for an opinion I think it stinks..
I made 365RW LOCKED with Mac headers,218-224 cam back in 2000 with a A4 WS6?
05-27-2008, 05:45 PM
#12
Why do you guys think it will lose power after the SAE correction? Maybe he dynoed in 100 degree weather (he is in TX)?! I understand how it works...in 45 degree weather it cost me over 30RWHP after the SAE correction! Isn't SAE set for sea level around 70 degrees?
05-27-2008, 06:12 PM
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I say its low. Even for an Auto w/stall. What was the Air/Fuel like on those dyno pulls? between 12.8 - 13.1 is where I like to see it. Also, has it been fully tuned? You really should find a GOOD tuner and have them really tear the tune apart and really build it back up.
05-27-2008, 08:45 PM
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It was tuned by CHUCK at HPE on Friday afternoon though and the valve springs were supposed to be matched to the cam.
They did tell me the remanufacture was a shitty job with miss matched bolts and stuff in the wrong holes, including a LS2 timing gear, with stuff over torqued. The motor had only 15K on it, and kinda ran a little doggish to start with, but Jasper the remanufacture assured me it was to factory spec, but with pistons coated in graphite? though. They fixed what they could get to but what else could cause the lack of horsepower?
I did dyno in 100 degree weather (high was only 90) but the SAE calculator I used dropped the number to 343.
They did tell me the remanufacture was a shitty job with miss matched bolts and stuff in the wrong holes, including a LS2 timing gear, with stuff over torqued. The motor had only 15K on it, and kinda ran a little doggish to start with, but Jasper the remanufacture assured me it was to factory spec, but with pistons coated in graphite? though. They fixed what they could get to but what else could cause the lack of horsepower?
I did dyno in 100 degree weather (high was only 90) but the SAE calculator I used dropped the number to 343.
