6.0 build - Page 3 - Chevelle Tech
LSx Engine Discuss the LSx engine & associated components here.

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post #31 of 44 (permalink) Old Oct 27th, 19, 4:28 PM
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Beth
 
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Re: 6.0 build

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Originally Posted by senna View Post
Really, any idea how many of this style (.600" lift) cams are out there in daily drivers?

In the end, that's why we have choices. I have no problem running a stage 2 cam.

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What did it cost for the extra 10 hp ? Springs, lightweight retainers, better rockers ; the increased possibility of a dropped valve and having to rebuild the heads much more frequently.

GM made the LSA cam with more duration - same lift- as the hot cam.

I would use the LSA cam if 500 hp wasn't enough.
JMHO

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post #32 of 44 (permalink) Old Oct 27th, 19, 5:02 PM
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Re: 6.0 build

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Originally Posted by JF74chevelle View Post
I think going to go with LS3 heads/intake
Elgin E1840p 228/230 .585/.585 112 LSA.
706 heads and that cam make a ton of power....my buddies all run that cam...PAC 1218 springs, 706/862 heads and a small turbo...mid 9's in the 1/4...that cam idles like a stock cam.

like I said before, if you have Facebook look up Richard Holdener...he has done tons of dyno tests on about every combo you can think of....

'71 Malibu
3580 #, Carbed 6.0l LS swap in process
T-350, PTC 9" converter, 12 bolt, spool, 3.90 gears, MT ET R 275/60/15

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post #33 of 44 (permalink) Old Oct 27th, 19, 6:18 PM Thread Starter
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Quote:
Originally Posted by Geo71 View Post
Quote:
Originally Posted by JF74chevelle View Post
I think going to go with LS3 heads/intake
Elgin E1840p 228/230 .585/.585 112 LSA.
706 heads and that cam make a ton of power....my buddies all run that cam...PAC 1218 springs, 706/862 heads and a small turbo...mid 9's in the 1/4...that cam idles like a stock cam.

like I said before, if you have Facebook look up Richard Holdener...he has done tons of dyno tests on about every combo you can think of....
I don’t plan to run a turbo right now. But if I do this any be the way to go.

Right now the 525 cam looks decent. 226/236 .525/.525 lift. GM claims 525 horse in an LS3 that’s more than enough power to me.
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1974 chevelle with 73 laguna nose sbc 357 Brodix IK180 heads Comp Cams XE274H Edelbrock RPM airgap 650 AED double pumper, M20 muncie, Truetrac with 3.73s
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post #34 of 44 (permalink) Old Oct 27th, 19, 8:26 PM
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jeff
 
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Re: 6.0 build

I wrote a lot of stuff and it was deleted.
Short version.
LS cam is fat as are the lobes.. less deflection and less harmonic.. lighter valves ..less spring pressures required than old school stuff.
.600" lift is not that much for an LS for a daily driver. you do not need the heavy spring rates and it lives.

Look at the LS7 spring pressures. and other specs
https://www.onallcylinders.com/2018/...ads-cam-specs/

Typical old school 1.94 valve weighs 115 grams or so.
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post #35 of 44 (permalink) Old Oct 27th, 19, 9:39 PM
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George
 
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Re: 6.0 build

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Originally Posted by JF74chevelle View Post
I donít plan to run a turbo right now. But if I do this any be the way to go.

Right now the 525 cam looks decent. 226/236 .525/.525 lift. GM claims 525 horse in an LS3 thatís more than enough power to me.
You donít have to run a turbo with that cam. It does like efi though. Buddies s10 blazer and other buddies mid 80ís cutlass ran bottom 12ís with that cam, small heads and those pac springs. Nothing else....those guys are all cheap.

That cam idles really mellow. They drive all over.

'71 Malibu
3580 #, Carbed 6.0l LS swap in process
T-350, PTC 9" converter, 12 bolt, spool, 3.90 gears, MT ET R 275/60/15

355 [email protected]
125 [email protected]
383 Mud Motor- [email protected]
100 shot [email protected]
'72 Greenbrier Wagon: 454, 700R4, 12 bolt with 3.73
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post #36 of 44 (permalink) Old Oct 29th, 19, 5:30 PM Thread Starter
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Changed my mind I’m doing this cheap. I’m going to go to pick a part get a set of 862s for $80 boot then on with a truck intake and have fun. Still need to decide on a bump stick. Maybe later I’ll get another set of 862 and have them ported and worked over.
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post #37 of 44 (permalink) Old Oct 30th, 19, 5:59 PM
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Re: 6.0 build

Just going to drop this here. thumbing through Instagram and this pops up, what're the odds?

https://www.instagram.com/p/B4QGK10J...=16289u7x73ixn

*Jeff*

Project Salty - 1964 4 door Malibu, beaten, neglected, red headed foster child
LQ4 / T56 Swap
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post #38 of 44 (permalink) Old Oct 30th, 19, 8:24 PM Thread Starter
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Originally Posted by Hotwire View Post
Just going to drop this here. <img src="https://www.chevelles.com/forums/images/smilies/wink.gif" border="0" alt="" title="Wink" class="inlineimg" /> thumbing through Instagram and this pops up, what're the odds?

https://www.instagram.com/p/B4QGK10J...=16289u7x73ixn
I think later on I’ll make the switch if I am not satisfied with the power. The LS3 heads will make the most power but I want that brute torque!

1974 chevelle with 73 laguna nose sbc 357 Brodix IK180 heads Comp Cams XE274H Edelbrock RPM airgap 650 AED double pumper, M20 muncie, Truetrac with 3.73s
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post #39 of 44 (permalink) Old Oct 30th, 19, 10:23 PM
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Duration and valve timing events are key for the cam. Whatever heads you decide to use will help decide max lift. If heads only flow to .550 lift and fall flat or flow less. No reason to increase the lift past that. Smaller ports will increase velocity and that increases torque. If you decide on a aftermarket head look for one that has good low and midrange flow with the smallest ports. TSP has decent heads for the money but typically have larger ports.
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post #40 of 44 (permalink) Old Nov 7th, 19, 12:22 PM Thread Starter
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Got the ball rolling for this project. Picked up a T56, and went and hung out with my buddy that had the motor. Super clean, rotating assembly is nice. He has all the small parts he’ll give to me. Gonna be fun. Still haven’t 100% decided on the top end but I’ll probably build the short block and go from there.
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post #41 of 44 (permalink) Old Nov 10th, 19, 9:08 PM
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Beth
 
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Re: 6.0 build

Quote:
Originally Posted by JF74chevelle View Post
Got the ball rolling for this project. Picked up a T56, and went and hung out with my buddy that had the motor. Super clean, rotating assembly is nice. He has all the small parts heíll give to me. Gonna be fun. Still havenít 100% decided on the top end but Iíll probably build the short block and go from there.
What is the shortblock ? 5.3 , 6.0 or 6.2 ?

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post #42 of 44 (permalink) Old Nov 11th, 19, 1:16 AM Thread Starter
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Quote:
Originally Posted by nashville beth View Post
Quote:
Originally Posted by JF74chevelle View Post
Got the ball rolling for this project. Picked up a T56, and went and hung out with my buddy that had the motor. Super clean, rotating assembly is nice. He has all the small parts he’ll give to me. Gonna be fun. Still haven’t 100% decided on the top end but I’ll probably build the short block and go from there.
What is the shortblock ? 5.3 , 6.0 or 6.2 ?
L92 6.2. My buddy pretty much gave me a set of 243s so I’m going with those. And a Titan 4 LS1 cam

1974 chevelle with 73 laguna nose sbc 357 Brodix IK180 heads Comp Cams XE274H Edelbrock RPM airgap 650 AED double pumper, M20 muncie, Truetrac with 3.73s
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post #43 of 44 (permalink) Old Nov 11th, 19, 6:35 PM
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If your going ls3 heads intake talk with BTR and it looks like you already have. He will get you a good setup. Cathedral vs rectangle will like a different cam for sure.
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post #44 of 44 (permalink) Old Nov 11th, 19, 11:55 PM Thread Starter
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Originally Posted by Jasons 69 Chevelle View Post
If your going ls3 heads intake talk with BTR and it looks like you already have. He will get you a good setup. Cathedral vs rectangle will like a different cam for sure.
Goin with 243 heads which are Cathedral

1974 chevelle with 73 laguna nose sbc 357 Brodix IK180 heads Comp Cams XE274H Edelbrock RPM airgap 650 AED double pumper, M20 muncie, Truetrac with 3.73s
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