528HP 491TQ.... BUT have you ever seen a graph like this!?!
10-25-2009, 11:20 AM
#41
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I guess it really depends on the setup though....
I am doing the plugs wires and second walbro right now.... i have to keep coming inside to warm up! Its F***ing cold outside!
10-26-2009, 11:56 PM
#42
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Ok guys i had something else come to mind today...
I used 7.425 pushrods on my setup because of the 02 Z06 cam (it has a smaller base circle).... well it works fine for people with 241 and 243 heads.... but i am running the 317 heads.
With the 317 heads do i need to run an even longer rod? I have a set of 7.45 rods from my cam only setup i had.
I do have quite a bit of valvetrain noise, actually just about as much as the 227/231 .614 .617 112+2 cam did.
What do you guys think? Could that be a problem? I just assumed the 7.425 rods were right, but maybee they are just to short??????
Thanks,
Blaine
PS I know get a pushrod length checker, lol, I just figured i would get opinions befor i went and purchased one and went through the trouble....
I used 7.425 pushrods on my setup because of the 02 Z06 cam (it has a smaller base circle).... well it works fine for people with 241 and 243 heads.... but i am running the 317 heads.
With the 317 heads do i need to run an even longer rod? I have a set of 7.45 rods from my cam only setup i had.
I do have quite a bit of valvetrain noise, actually just about as much as the 227/231 .614 .617 112+2 cam did.
What do you guys think? Could that be a problem? I just assumed the 7.425 rods were right, but maybee they are just to short??????
Thanks,
Blaine
PS I know get a pushrod length checker, lol, I just figured i would get opinions befor i went and purchased one and went through the trouble....
10-27-2009, 06:45 AM
#43
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you know what you get when you assume? you make an *** out of you....and well you only i guess
pushrod checker and measure man...may have missed...what lifters, stock rockers?
pushrod checker and measure man...may have missed...what lifters, stock rockers?
10-27-2009, 06:47 AM
#44
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oh and dont listen to these crazy's who are telling you than you have insuffiencent spring...people running 13lbs of boost on stock ls6 longblocks 02z cam and ls6 springs...the springs you have, have way more pressure open and closed
10-27-2009, 04:54 PM
#51
That is terrible info right there. You have MUCH more stress on the valvetrain on a boosted setup. Air is forced into the chamber rather than drawn in as in an NA setup. So everytime the valve tries to close the pressure in the system is trying to force it open. Im not saying his problem is springs but if you've hung around the Forced Induction section bad/weak springs have been ALOT of peoples problems, especially those with stock springs.
10-27-2009, 05:51 PM
#53
10-27-2009, 05:52 PM
#54
Hey genius, read my post. I said I dont think that's the OP's problem.And people do all sorts of stuff, does it make it safe? NO. Have you even built a boosted car before? Quit acting like you know what youre talking about simply because you've read it on the internet.
10-27-2009, 06:59 PM
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That is terrible info right there. You have MUCH more stress on the valvetrain on a boosted setup. Air is forced into the chamber rather than drawn in as in an NA setup. So everytime the valve tries to close the pressure in the system is trying to force it open. Im not saying his problem is springs but if you've hung around the Forced Induction section bad/weak springs have been ALOT of peoples problems, especially those with stock springs.
10-27-2009, 07:25 PM
#56
Your horrible info is right here. You're basically implying that any boosted setup short of an all out race setup pushing tons of boost require a real valve spring. Plenty of people float LS6 springs, hell plenty of people float aftermarket double valve springs. You are not taking into account the added pressure due to boost. Not to mention that 13 psi in 1 setup is not the same as 13 psi in another setup, but I wont even go there.
10-27-2009, 07:48 PM
#57
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ok so in his particular setup me saying not to listen to others about springs because HE is running more than enough spring for his mild turbo and weak *** lobes on his stock GM cam...this is bad advise? hmm...I'd look elsewhere man for your problem
10-27-2009, 07:58 PM
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I just want to let everyone know that i appreciate the posts and advice.....
I am willing to try everything to get this figured out....
I got 2 more of the dyno sheets to post up.... one is in MPH, so maybee that will help...
I am willing to try everything to get this figured out....
I got 2 more of the dyno sheets to post up.... one is in MPH, so maybee that will help...
10-27-2009, 08:12 PM
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Here are the other dyno sheets from the same day.... thought they might help.
Notice on the graph above the car only pulled to 5500 then dropped off... on the original graph i posted it made it to 5600 or a little more befor the power fell off.... also the power drop off isn't quite the same... WTF LOL
the graph below shows how the power drops off with the speed, ya it definetly doesn't help the performance of the car... Its makes 530 peak HP but with the way it drops off i bet an f-body with a solid 450hp would beat me at the track.... so dissapointing, this is driving me nuts!
Notice on the graph above the car only pulled to 5500 then dropped off... on the original graph i posted it made it to 5600 or a little more befor the power fell off.... also the power drop off isn't quite the same... WTF LOL
the graph below shows how the power drops off with the speed, ya it definetly doesn't help the performance of the car... Its makes 530 peak HP but with the way it drops off i bet an f-body with a solid 450hp would beat me at the track.... so dissapointing, this is driving me nuts!
Last edited by 1BAD_LS1; 10-27-2009 at 08:48 PM.
10-27-2009, 08:13 PM
#60
What are you using to control boost? Ive seen a graph similar to that with an electronic boost controller setup wrong.
What gap on the TR6 plugs? ie is spark blowing out
What is the exhaust setup, are you running cats?
Did you try shimming the BOV and did you verify that it isnt opening under boost?
Did you do a compression test?
What gap on the TR6 plugs? ie is spark blowing out
What is the exhaust setup, are you running cats?
Did you try shimming the BOV and did you verify that it isnt opening under boost?
Did you do a compression test?