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cam for trailblazer ss with 416 stroker?

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Old 05-24-2008, 09:16 AM
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Default cam for trailblazer ss with 416 stroker?

looking at weight as a key factor suv weighs 5000 lbs. looking for daily driver want to get as much torque as possible. i have the shift points set at 6200.
Old 05-24-2008, 09:32 AM
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228/236 .571/.578 112LSA +2 advance.

Big torque.

Overlap centered over TDC (for balanced power/torque)

Power peak around 5900-6000 rpm.

Shift at 6200 rpm.

Excellent street manners.

Easy on valve springs. You can run beehive springs.
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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
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Old 05-24-2008, 07:26 PM
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what is a big torque cam for a stock ls3 in a tbss. want to have the same shift point of 6200 with headers.
Old 05-24-2008, 10:31 PM
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Originally Posted by duff70
what is a big torque cam for a stock ls3 in a tbss. want to have the same shift point of 6200 with headers.
You mean stock LS2? Big torque cam would be about 8-10 degrees smaller than the 416.
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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
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.
Old 05-24-2008, 10:38 PM
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my stock ls2 motor threw a rod through the block because i had someone put in a cam with no lsx exp. was looking at a ls3 crate motor from gm. looking what cam size would be a torque monster for my tbss. i plan on getting a turnkey ls3 motor.
Old 05-24-2008, 11:17 PM
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LS3 would be closer to 220/228 .564/.571 112LSA +2 advance.

Stunning low and mid-range torque in an LS3. Just the ticket for a heavy SUV.
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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
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.
Old 05-24-2008, 11:28 PM
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i think i am going to go with the ls3 crate motor from gm. it is the 376/480. i think it has a 219/228 on a 112 so it should be real close to the one you speced out.
Old 05-25-2008, 12:03 AM
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man thats not cool i just oayed $25 buck to patrick g for a cam spec'ing and you guys got one for free...must be your lucky day!
Old 05-25-2008, 12:22 AM
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Originally Posted by firefighting1101
man thats not cool i just oayed $25 buck to patrick g for a cam spec'ing and you guys got one for free...must be your lucky day!
You get the discount though
Old 05-25-2008, 01:33 AM
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Patrick is a cool dude, I've read many of his posts and he is big on sharing of knowledge
Old 05-25-2008, 12:14 PM
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yeah, but he isn't giving you all the details on the cam plus you get the discount from TR.

I got my 243/251 in the mail and need to find time and money to get it installed.
Old 05-28-2008, 01:32 PM
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Originally Posted by Patrick G
228/236 .571/.578 112LSA +2 advance.

Big torque.

Overlap centered over TDC (for balanced power/torque)

Power peak around 5900-6000 rpm.

Shift at 6200 rpm.

Excellent street manners.

Easy on valve springs. You can run beehive springs.
Sorry to thread jack. What cam for a 4k lbs. TBSS . pm sent
Old 05-28-2008, 09:05 PM
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that cam was for a 416 stroker ls3. go over on tbssowners.com check out alvin at pcmforless.com his attitude cam.
Old 05-30-2008, 06:55 PM
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I really like the came I got from SDPC a lot but I am running L92 heads & long tubes.
.224/.232 .585/.590 LSA 114 it is a Crane cam their own special grind. I wouldn't go any bigger in a heavy TBSS. It starts pulling hard at 3,000 rpm's up to shift point 6,400 rpm's. This cam with L92 stage II pull's like a 100 shot of nitrous in my truck over stock cam & heads. I have a Phoenix stall 2800 to 3000 and built tranny. It has a bunch of torque from 3,000 up to get my 4440 lb TBSS moving. I still breaking in new motor with Scat rods & Diamonds new pistons made for the L92 heads. I paid about $350.00 for it at SDPC. I got it the next day.



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