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Performance, Brainstorming & Tuning Talk about modifications, or anything else associated with performance enhancements. Have a new idea for performance/reliability? Post it here. No idea is stupid! (please use Detailing and Appearance for cosmetic ideas)

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Old 02-02-2006, 01:42 AM   #11
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Not changing springs to at least 90 lb LS1 would not be wise.

Not for anything above 5500 rpm IMO.
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Old 02-02-2006, 09:01 AM   #12
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Quote:
Originally Posted by 2000SilverBullet
Not changing springs to at least 90 lb LS1 would not be wise.

Not for anything above 5500 rpm IMO.
Under 6k with stock springs should be fine. Personally, I would change the springs if it were my own car, mainly becuase I would spin to more than 6k, but also for the peace of mind. But, many people have no problems running rockers with stock springs.

We have 1.9 rockers in the SSEi (and have for 90k miles (car now has 160k on it)) and the valvetrain is otherwise completely stock. It has a DHP and shifts at ~6000rpms. It gets no valve float and we've had no problems with it. Our Monte Carlo also has 1.9'* with stock valvetrain with no problems. It has significantly less miles than the SSEi and has a stock PCM so it doesn't shift as high as the SSEi, but it doesn't seem to have any float problems. We only had float problems in the GTP at over 6k rpms which was actually suprising since it had OR pushrods, and what ZZP at the time called 85lb. valvesprings fixed that problem, the car ran all the way up to 6600rpms with that setup with no float problems at all, shifts were (and still are) 6250rpm and it never showed the slightest problem. When we installed the XP cam we left the "85lb." valvesprings in the car and it still performs great, we've had no problems with it either and it still spins to 6600rpms just fine.

I don't think it will hurt him to try to run the stock springs and see how it works out. If he does indeed get valve float then he may want to go to some stronger springs, which yes will be a lot of work on his part to tear it apart again, but if he doesn't need the springs that is a good amount of money he can save for other mods. But installing 90lb. springs should definately garuntee no problems.

Shawn
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Old 02-02-2006, 01:31 PM   #13
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Quote:
Not changing springs to at least 90 lb LS1 would not be wise.
I thought 90 lb LS1 springs did not work on 97'* because of different heads.
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Old 02-02-2006, 01:50 PM   #14
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Quote:
Originally Posted by fantastic88
Quote:
Not changing springs to at least 90 lb LS1 would not be wise.
I thought 90 lb LS1 springs did not work on 97'* because of different heads.
are you thinking of LS6 springs?
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Old 02-02-2006, 05:27 PM   #15
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Quote:
Originally Posted by TaylorD
It'* not to bad, just take your time and be carefull with the retainer clips if your changing springs.

Here'* a pic of them in
Taylor making an apparence from the grave? Nice to see your still alive! I haven't heard from you since Ryan and me were going to go up north with ya.
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Old 02-07-2006, 01:33 AM   #16
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Okay a tad off topic here, and probably the dumbest question this side of anywhere,
but here goes, when you get the new rockers how many sets do you buy?

Is it one set of six or two sets of six??

Don't laugh too hard,

thanks

Tim
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Old 02-07-2006, 01:37 AM   #17
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Quote:
Originally Posted by bonnevillemac
Is it one set of six or two sets of six??
12... just enough to do the whole engine

fantastic... are you done yet?

i want these bad... http://www.intense-racing.com/Mercha...egory_Code=HCV
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Old 02-07-2006, 01:44 AM   #18
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Quote:
fantastic... are you done yet?
Unfortunatly, no. Nate can't get ahold of this one guy that has proper tools and his garage heater. We were going to do them last Sunday but Nate couldn't get ahold of the guy. :( The rockers are still sitting on my desk and have a thin layer of dust on them now.
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Old 02-07-2006, 01:48 AM   #19
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i have a nice heated garage.. what tools u need? autozone rents...
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Old 02-07-2006, 01:48 AM   #20
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How do they come from intense?? Is the listed price for 6 or 12??


Tim
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