can you guys post up your 408 results/setups here?
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We cut the pulls short for fuel issues. I have 42`s in. We think the MAF might be giving us some issues also. We feel 500 unlocked might be there once we make a full pull. I will post all info once final numbers are made. Where going to also lock the conv to see what we get. This cam should pull to 6400-6600 easy 244 248 612 615 113lsa will spray the 200 shot once the motor is broken in. Will let you know more later!
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Man, just talked to mike at G-Force. Car unlocked pulled 455rwhp 475rwtq. The cam we have is to small. He is going to order me a new one, alittle more duration and get the lift to like 640`s custom made. Not enough cam for my heads. This sucked!! I wanted her really bad, but O`well. Should have the new cam in by Sat, get it put in this weekend and see what happens. Will let everyone know then. Man I want 470 or better rwhp. I had a **** load of TRQ, just not enough RWHP!
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Originally Posted by beardWS6
Man, just talked to mike at G-Force. Car unlocked pulled 455rwhp 475rwtq. The cam we have is to small. He is going to order me a new one, alittle more duration and get the lift to like 640`s custom made. Not enough cam for my heads. This sucked!! I wanted her really bad, but O`well. Should have the new cam in by Sat, get it put in this weekend and see what happens. Will let everyone know then. Man I want 470 or better rwhp. I had a **** load of TRQ, just not enough RWHP!
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I was hoping 530 locked or better. But yea, wanted 480 or so unlocked would be nice!
But to answer your question about posting my goal. My car put right at 480RWTQ and stop making power at 5400rpm`s. does that sound right to you. You can see there is alot more left. My peak power shouldn`t be at that low of a RPM. she should make peak power at 6000-6500rpm`s. Mike said the heads need a bigger cam and I believe him. where did you peak power come in at? How much TRQ did you make? Granted, it is what it is for now. New cam should be here by Sat. I will let you know then. Thanks for your comments!
But to answer your question about posting my goal. My car put right at 480RWTQ and stop making power at 5400rpm`s. does that sound right to you. You can see there is alot more left. My peak power shouldn`t be at that low of a RPM. she should make peak power at 6000-6500rpm`s. Mike said the heads need a bigger cam and I believe him. where did you peak power come in at? How much TRQ did you make? Granted, it is what it is for now. New cam should be here by Sat. I will let you know then. Thanks for your comments!
Last edited by beardWS6; 02-15-2006 at 02:59 PM.
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Originally Posted by beardWS6
I was hoping 530 locked or better. But yea, wanted 480 or so unlocked would be nice!
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I`m running 11.3.1
This is what I don`t understand. At 5400rpm`s she stops at 445rwhp all the way threw 6500rpms flat. Now TRQ climbs to right at 480TRQ. Thats what I`m confused on. You would have thought she would still climb alittle more. I would have like to have seen 475-485rwhp with that TRQ. Can anyone explain why she leveled off so early!!
This is what I don`t understand. At 5400rpm`s she stops at 445rwhp all the way threw 6500rpms flat. Now TRQ climbs to right at 480TRQ. Thats what I`m confused on. You would have thought she would still climb alittle more. I would have like to have seen 475-485rwhp with that TRQ. Can anyone explain why she leveled off so early!!
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Here is a pic of my dyno sheet, My CR is right at or a tad lower than 11.8. The cam is an custom FMS 246/250 630/630 114 installed in at a 113 IC. When i was running my 42lbers my duty cycle NA was 70% and now with the 60lbers im at 59%. I also have a inline and intank 255 pump. I think i have a little more in messing with the AF but just havent had time to get back to the dyno.
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#37
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Originally Posted by beardWS6
I`m running 11.3.1
This is what I don`t understand. At 5400rpm`s she stops at 445rwhp all the way threw 6500rpms flat. Now TRQ climbs to right at 480TRQ. Thats what I`m confused on. You would have thought she would still climb alittle more. I would have like to have seen 475-485rwhp with that TRQ. Can anyone explain why she leveled off so early!!
This is what I don`t understand. At 5400rpm`s she stops at 445rwhp all the way threw 6500rpms flat. Now TRQ climbs to right at 480TRQ. Thats what I`m confused on. You would have thought she would still climb alittle more. I would have like to have seen 475-485rwhp with that TRQ. Can anyone explain why she leveled off so early!!
Vig 3800s are known to be terribly inefficient, especially with a motor making lots of torque. Can't G-Force lock your converter up on the dyno? This would give you a better idea of where your motor is making power (rpm wise). I would blame the converter for lackluster hp numbers and not the cam. Can't believe you've spent so much on your setup to develop big power, only to lose so much going to the tires with such a sub-par performing converter. Again, I would swap converters before I swap cams. Been there done that.
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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
2022 Cadillac Escalade 6.2L A10 S&B CAI, Corsa catback.
2023 Corvette 3LT Z51 soon to be modified.
Custom LSX tuning in person or via email press here.
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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
2022 Cadillac Escalade 6.2L A10 S&B CAI, Corsa catback.
2023 Corvette 3LT Z51 soon to be modified.
Custom LSX tuning in person or via email press here.
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What converter would be good to go with Pat. I don`t know much about them. MTI picked this conv few years back. How much more do you think its taking away from me?
But I still ask this question. Why stop at 5400 on power. Do you think the converter is causing that. I understand the lose in power. Just would have thought it still would have pulled higher before leveling out. Correct. That is my concern.
But I still ask this question. Why stop at 5400 on power. Do you think the converter is causing that. I understand the lose in power. Just would have thought it still would have pulled higher before leveling out. Correct. That is my concern.
Last edited by beardWS6; 02-15-2006 at 07:32 PM.
#39
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Originally Posted by beardWS6
What converter would be good to go with Pat. I don`t know much about them. MTI picked this conv few years back. How much more do you think its taking away from me?
But I still ask this question. Why stop at 5400 on power. Do you think the converter is causing that. I understand the lose in power. Just would have thought it still would have pulled higher before leveling out. Correct. That is my concern.
But I still ask this question. Why stop at 5400 on power. Do you think the converter is causing that. I understand the lose in power. Just would have thought it still would have pulled higher before leveling out. Correct. That is my concern.
I've preach proper converter selection for years. People will spend tens of thousands of dollars getting the ideal heads and the ideal cam for their combination, only to **** it away with a converter that loses all that extra power to heat.
What would I recommend? I'd recommend you call Yank, TCI and ATI. Coan and Dynamic converters are also good ones. You will get more power back to the tires with a converter matched to your combination than any cam will give you. You'll have no way of ever knowing what the new (or old) cam will do without being able to efficiently transfer that power to the tires. If G-Force and LME thought your current cam would make big power, they're probably right. You'll be chasing your tail without addressing the converter issue first.