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Old Oct 26, 2017 | 10:44 AM
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Hi all, I've got a 2002 camaro ss m6 and I'm looking for a good off the shelf cam. It is a daily driver and occasionally sees some strip time on test and tune nights. The mods are as follows: sbe ls1 with unported 241 heads and Howard's version hot cam, blue ls6 springs, stock rockers with comp trunnion kit, kooks longtubes and off-road-y, blackwing airlid, stock maf and throttle body, magnaflow catback into cme, , racetronix fuel pump, ls6 intake, stock t-56 with tick master cylinder, stock 10 bolt with 4.10 gear, umi lcas and panhard bar, umi torque arm, rolling on stock 10 spoke 17 inch wheels. The car was tuned by EFI Alchemy and made 384hp@5900, 398@4700 on a Dynojet. The car runs strong, but I want a cam with less chop at idle, but around the same power or more. Also something with less aggressive lobes and/or valvetrain noise. Any suggestions?
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Old Oct 26, 2017 | 11:27 AM
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Call Pat G
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Old Oct 26, 2017 | 12:47 PM
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We have quite a few cams available but you would need to go to a pac1218 spring to use them as they are over the blue springs lift capability.

Cam and springs run $515 shipped for the set. Uses your pushrods also. We can at least match but likely beat your power goals as well.

Email me for more info
Rpmspeedtech@gmail.com
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Old Oct 26, 2017 | 04:45 PM
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Considering that you already have a good performing cam, that's a lot of time any money to go to another cam that won't make anymore power, just to have a tamer idle and friendlier lobes. If it were me I would just do something cheap and easy to the exhaust to tame down the lope
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Old Oct 26, 2017 | 05:41 PM
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A mild cam isn't going to make much more than a mild cam..

If you want a decent gain in power and don't want more chop etc, I'd recommend doing heads instead.

I'm sure tech@ws6store can get you a great cam to meet your goals, but if you want decent gains without going to a decent size cam, I think heads would be a great route to go. Intake would be nice, but the gains for the $$$ is semi low in comparison to other mods. But at some point that intake will be a restriction. But not yet IMO

I'd also recommend replacing those trunions with bushing trunions, lot's of reports of wear issues with the roller trunions (non OE ones)
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Old Oct 30, 2017 | 07:51 AM
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Thanks for the advice everyone!
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Old Nov 1, 2017 | 12:52 AM
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You could try either of these tried and true sticks...

​​​​​​lingenfelter gt2-3 207/220 .571/.578 118.5 lsa
Comp xfi265hr high lift 212/218 .558/.563 115 lsa

both of these cams will idle and drive really nice and have gentle lobes that will still work great with your ls6 springs even with their added lift over your current cam.

I run the comp cam I suggested with ls6 springs in my daily driver and the valvetrain is just as quiet as it was when it was stock.

I believe either of these cams would ET just as well or better than your current one given the rest of your setup. Plenty of LS1's have ridden both of these grinds into the 11's over the years without too much drama.
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Old Nov 1, 2017 | 07:44 AM
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Originally Posted by stockA4
You could try either of these tried and true sticks...

​​​​​​lingenfelter gt2-3 207/220 .571/.578 118.5 lsa
Comp xfi265hr high lift 212/218 .558/.563 115 lsa

both of these cams will idle and drive really nice and have gentle lobes that will still work great with your ls6 springs even with their added lift over your current cam.

I run the comp cam I suggested with ls6 springs in my daily driver and the valvetrain is just as quiet as it was when it was stock.

I believe either of these cams would ET just as well or better than your current one given the rest of your setup. Plenty of LS1's have ridden both of these grinds into the 11's over the years without too much drama.
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​​​​​
Thank you stocka4, this is more along what I'm looking for.
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Old Nov 1, 2017 | 10:22 AM
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But aren't those smaller than the current cam?

From what I see the Howards hot cam is .525/.525 219/228 112

They have more lift but less duration. Seems that it'll mostly be a wash power wise (actually I bet the howards makes a little more) yet harder on valve springs.
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Old Nov 1, 2017 | 10:27 AM
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He wants less chop at idle, which the lower duration and wider LSA should get him.
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Old Nov 1, 2017 | 12:11 PM
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Originally Posted by G Atsma
He wants less chop at idle, which the lower duration and wider LSA should get him.
It will.

He also stated he wants the same power or MORE and less aggressive lobes and less valve train noise. The cams mentioned would work for that, but I was also shooting for the same or more power part of his post, and the easier on the valve train part. The more power part was my personal preference lol

Last edited by 00pooterSS; Nov 1, 2017 at 12:49 PM.
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Old Nov 1, 2017 | 12:27 PM
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Both of the cams I suggested would also close the intake valve a few degrees later than the one he's already got if he installed them straight up.

he said his setup makes peak power at 5900rpm. These cams are known to peak a little higher than that. If he can shift his 4:10 gears a few rpm higher he could be a little quicker at the strip.
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Old Nov 1, 2017 | 12:34 PM
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If that howards hot cam breaks over at 5900 something is wrong. It should pull to 6200 before fizzling out. Even with an ls1 intake. Neither of those cams would make the same power, esp the Lingenfelter with a 207 intake. Youre lookin at a 219/228 vs those its not a comparison at all.

We can get him a very nice lobe with our high lift hot cam lobes cut on a 115 and it will have exactly what he wants. They are super quiet and (from what i can tell) less aggressive than the howards lobes. Every customer comments on how quiet they are vs other cams no matter what springs and rockers they are running. All he needs to change are valve springs and cam. AND right now that cam kit would be on sale for $489 shipped.

Plus it would be a GREAT incidental comparison also.

Last edited by tech@WS6store; Nov 1, 2017 at 12:39 PM.
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Old Nov 1, 2017 | 01:22 PM
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I don't know the budget he has. Used cams are always an option too and those are pretty common shelf grinds to find used because they didn't chop hard enough for somebody.

I seriously doubt a custom grind a few degrees more would really make that big of a difference.
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Old Nov 1, 2017 | 01:25 PM
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Hey Tech, how much is the power curve affected by widening the LSA from 112deg to 115deg? Mainly is there much of a loss?
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Old Nov 1, 2017 | 02:16 PM
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On the same engine with the same adv ground in, you can expect it to peak later and likely have a little less tq but possible more peak hp with a little less avg IF the cyl heads, intake, and exhaust can carry it that far.
Its a trade off and a measure of how good your cyl heads are. On better cyl heads youd see the gains difinitively from less overlap but more lsa.
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Old Nov 1, 2017 | 05:40 PM
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Originally Posted by tech@WS6store
If that howards hot cam breaks over at 5900 something is wrong. It should pull to 6200 before fizzling out. Even with an ls1 intake. Neither of those cams would make the same power, esp the Lingenfelter with a 207 intake. Youre lookin at a 219/228 vs those its not a comparison at all.

We can get him a very nice lobe with our high lift hot cam lobes cut on a 115 and it will have exactly what he wants. They are super quiet and (from what i can tell) less aggressive than the howards lobes. Every customer comments on how quiet they are vs other cams no matter what springs and rockers they are running. All he needs to change are valve springs and cam. AND right now that cam kit would be on sale for $489 shipped.

Plus it would be a GREAT incidental comparison also.
That doesn't sound bad either, tech. I'll be sending you an email . I can handle $489. Thanks
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Old Nov 1, 2017 | 05:42 PM
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Originally Posted by tech@WS6store
On the same engine with the same adv ground in, you can expect it to peak later and likely have a little less tq but possible more peak hp with a little less avg IF the cyl heads, intake, and exhaust can carry it that far.
Its a trade off and a measure of how good your cyl heads are. On better cyl heads youd see the gains difinitively from less overlap but more lsa.
Alright! Thanks!
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Old Nov 2, 2017 | 11:01 AM
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Default Camshaft LSA Change

Hi Seymore, your camshaft (Howard) with 112/116 LSA Change (EAP)
The 116 C/L will remove the "chop" and GAIN 2 HP at 6000 RPM, the Torque will DROP at 5000 RPM by 5 FT.Lbs.
Your engine performance when throttled will be much better, less fuel used, more knock resistance.
I too like Howard Cams as the Owner (Steve) buys ignition products from Pantera EFI. (Competition Products)
The camshafts I have on my site, the shelf items, are ground by Howard Cams on CME cores.

My choice for your needs : TWO choices, one with your springs and the other to be used with PSI1511 ML Springs.
#1 PN# 14328 with 214/232 .600"/.598" 118 CL (Springs required)
#2 PN# 16248 with 216/224 .551"/.553" 118 C/L (Blue Springs)

Power Gains :
#1 = 12 HP Gain at 6500 RPM with same torque as your current camshaft.(Lite Valves Required)
#2 = 2 HP Gain at 6000 RPM with 2 Ft.lb Torque gain at 4500RPM. (Your Cam with a 116 C/L)

Lance
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Old Nov 2, 2017 | 11:16 AM
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Originally Posted by seymore
Hi all, I've got a 2002 camaro ss m6 and I'm looking for a good off the shelf cam. It is a daily driver and occasionally sees some strip time on test and tune nights. The mods are as follows: sbe ls1 with unported 241 heads and Howard's version hot cam, blue ls6 springs, stock rockers with comp trunnion kit, kooks longtubes and off-road-y, blackwing airlid, stock maf and throttle body, magnaflow catback into cme, , racetronix fuel pump, ls6 intake, stock t-56 with tick master cylinder, stock 10 bolt with 4.10 gear, umi lcas and panhard bar, umi torque arm, rolling on stock 10 spoke 17 inch wheels. The car was tuned by EFI Alchemy and made 384hp@5900, 398@4700 on a Dynojet. The car runs strong, but I want a cam with less chop at idle, but around the same power or more. Also something with less aggressive lobes and/or valvetrain noise. Any suggestions?
I understand where you are coming from completely! We have had many customers who have come to us saying they wanted better drivability and a smoother idle. Because of this, we developed our "Stage" series mild performance camshafts. These camshafts still produce an excellent wide powerband with great gains while still keeping overlap low with carefully chosen valve events.

For you, I recommend the Stage 3 LS1 camshaft:
http://www.cammotion.com/camshafts/m...-218-224-16-3/

Customers who bought this camshaft love it!
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