Need Major Advise!!! Real Knowledge Apply Only!
09-08-2006, 11:54 PM
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Need Major Advise!!! Real Knowledge Apply Only! [SIZE=1][B][FONT=Arial Black]Just ahd my car on the dyno, and I' F@#$ing pissed!! I know it it only a tuning tool, but to see the numbers, it makes me sick. Look at my sig, it lists all the goodies, I'm wondering if it is the exhaust causing it to have such low #'s? I'm running the y with a cutout, the y is 2 3/4 into 3, not running true duels yet...My buddy has similiar set up except that he has a slp 403 with affr 225;s and his is an a4 and his cam is on a 112..really embarressed to post the dyno #'s.my buddys car went 480hp and 440tq on motor....lets say his kicked my ***...and I have a m6....any ideas?..Patrick,Orange, somebody...please give insight before I start blaming builder and head choice 
using hp tuners..tune is almost perfect..ran WOT and no maff tune...a/f ratio was 12.8-13.5....I've seen cam only cars do better...Dyno is local, all import shop, my buddy thinks I got the f/u button..I don't know.. Like I said I know it is only a tuning tool, But for the cheddar I paid, I should put at least 500++++
using hp tuners..tune is almost perfect..ran WOT and no maff tune...a/f ratio was 12.8-13.5....I've seen cam only cars do better...Dyno is local, all import shop, my buddy thinks I got the f/u button..I don't know.. Like I said I know it is only a tuning tool, But for the cheddar I paid, I should put at least 500++++ 
09-09-2006, 12:41 AM
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Post a dyno graph and we may be able to help....just looking at what parts are in your motor and seeing you say that it makes no power does not direct us well enough to form an opinion on the cause.
09-09-2006, 12:43 AM
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Dude you need to post a dyno graph and any other information you may posses. A/F, temp, dyno type, other conditions. It could be a million things including dyno calibration etc.
First thing is take it to another dyno in the area if you are that worried. But best thing is to take it to the track and see what numbers you get at the 1320...
First thing is take it to another dyno in the area if you are that worried. But best thing is to take it to the track and see what numbers you get at the 1320...
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09-09-2006, 12:49 AM
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Originally Posted by machinistone
11.25 comp with .051 gasket - were the pistons sticking out of the hole? why such a thick gasket?
wow..
09-09-2006, 01:59 AM
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I'm definately trying another dyno....cam degreeing was done by builder...motor has been in a week with about 700 miles....It pulls harder than my numbers post....could be the tune...but the tune works great, and my a/f is almost perfect....very confused,pissed off and ready to get rid of it...
09-09-2006, 03:53 AM
#12
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I think you need to look at it as a diagnostic tool. Something is wrong, could be simple, and don't assume the motor is fubarred. Start your diagnostic process and nail it down.
I got a low dyno reading once, turned out the CAI block off plate had come loose and closed off 3/4 of the air filter...you get the idea.
I got a low dyno reading once, turned out the CAI block off plate had come loose and closed off 3/4 of the air filter...you get the idea.
man, i sure hope you get this figured out and its just something samall.. our set ups are so much alike im getting pretty worried ... and mine shis next week. 
09-09-2006, 06:35 AM
#15
If you are confident the tune is good...and the car is running fine/pulling strong then don't worry about what numbers it makes on the dyno. Take it to the track and post some ET's and your mph. That will tell you everything you need to know. : )
Chad
Chad
09-09-2006, 09:42 AM
#17
Can't make a judgement without seeing the curve. For instance, a naturally aspirated LSX motor set up correctly should make its cubic inch displacement in torque by 3000 rpm and 1.25x it's CID by peak torque. Anything less (on a proper dyno) only shows power left on the table. Let's see the curves.
__________________
2013 Corvette Grand Sport A6 LME forged 416, Greg Good ported TFS 255 LS3 heads, 222/242 .629"/.604" 121LSA Pat G blower cam, ARH 1 7/8" headers, ESC Novi 1500 Supercharger w/8 rib direct drive conversion, 747rwhp/709rwtq on 93 octane, 801rwhp/735rwtq on race fuel, 10.1 @ 147.25mph 1/4 mile, 174.7mph Half Mile.
2016 Corvette Z51 M7 Magnuson Heartbeat 2300 supercharger, TSP LT headers, Pat G tuned, 667rwhp, 662rwtq, 191mph TX Mile.
2009.5 Pontiac G8 GT 6.0L, A6, AFR 230v2 heads. 506rwhp/442rwtq. 11.413 @ 121.29mph 1/4 mile, 168.7mph TX Mile
2000 Pewter Ram Air Trans Am M6 heads/cam 508 rwhp/445 rwtq SAE, 183.092 TX Mile
2018 Cadillac Escalade 6.2L A10 Pat G tuned.
LS1,LS2,LS3,LS7,LT1 Custom Camshaft Specialist For custom camshaft help press here.
Custom LSX tuning in person or via email press here.
2013 Corvette Grand Sport A6 LME forged 416, Greg Good ported TFS 255 LS3 heads, 222/242 .629"/.604" 121LSA Pat G blower cam, ARH 1 7/8" headers, ESC Novi 1500 Supercharger w/8 rib direct drive conversion, 747rwhp/709rwtq on 93 octane, 801rwhp/735rwtq on race fuel, 10.1 @ 147.25mph 1/4 mile, 174.7mph Half Mile.
2016 Corvette Z51 M7 Magnuson Heartbeat 2300 supercharger, TSP LT headers, Pat G tuned, 667rwhp, 662rwtq, 191mph TX Mile.
2009.5 Pontiac G8 GT 6.0L, A6, AFR 230v2 heads. 506rwhp/442rwtq. 11.413 @ 121.29mph 1/4 mile, 168.7mph TX Mile
2000 Pewter Ram Air Trans Am M6 heads/cam 508 rwhp/445 rwtq SAE, 183.092 TX Mile
2018 Cadillac Escalade 6.2L A10 Pat G tuned.
LS1,LS2,LS3,LS7,LT1 Custom Camshaft Specialist For custom camshaft help press here.
Custom LSX tuning in person or via email press here.
09-09-2006, 11:51 AM
#19
Originally Posted by 1989GTA
Patrick, I would assume those numbers you cited are rear wheel dyno numbers and with an M6 and not an A4?
__________________
2013 Corvette Grand Sport A6 LME forged 416, Greg Good ported TFS 255 LS3 heads, 222/242 .629"/.604" 121LSA Pat G blower cam, ARH 1 7/8" headers, ESC Novi 1500 Supercharger w/8 rib direct drive conversion, 747rwhp/709rwtq on 93 octane, 801rwhp/735rwtq on race fuel, 10.1 @ 147.25mph 1/4 mile, 174.7mph Half Mile.
2016 Corvette Z51 M7 Magnuson Heartbeat 2300 supercharger, TSP LT headers, Pat G tuned, 667rwhp, 662rwtq, 191mph TX Mile.
2009.5 Pontiac G8 GT 6.0L, A6, AFR 230v2 heads. 506rwhp/442rwtq. 11.413 @ 121.29mph 1/4 mile, 168.7mph TX Mile
2000 Pewter Ram Air Trans Am M6 heads/cam 508 rwhp/445 rwtq SAE, 183.092 TX Mile
2018 Cadillac Escalade 6.2L A10 Pat G tuned.
LS1,LS2,LS3,LS7,LT1 Custom Camshaft Specialist For custom camshaft help press here.
Custom LSX tuning in person or via email press here.
2013 Corvette Grand Sport A6 LME forged 416, Greg Good ported TFS 255 LS3 heads, 222/242 .629"/.604" 121LSA Pat G blower cam, ARH 1 7/8" headers, ESC Novi 1500 Supercharger w/8 rib direct drive conversion, 747rwhp/709rwtq on 93 octane, 801rwhp/735rwtq on race fuel, 10.1 @ 147.25mph 1/4 mile, 174.7mph Half Mile.
2016 Corvette Z51 M7 Magnuson Heartbeat 2300 supercharger, TSP LT headers, Pat G tuned, 667rwhp, 662rwtq, 191mph TX Mile.
2009.5 Pontiac G8 GT 6.0L, A6, AFR 230v2 heads. 506rwhp/442rwtq. 11.413 @ 121.29mph 1/4 mile, 168.7mph TX Mile
2000 Pewter Ram Air Trans Am M6 heads/cam 508 rwhp/445 rwtq SAE, 183.092 TX Mile
2018 Cadillac Escalade 6.2L A10 Pat G tuned.
LS1,LS2,LS3,LS7,LT1 Custom Camshaft Specialist For custom camshaft help press here.
Custom LSX tuning in person or via email press here.
