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ls2 heads in ls1?

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Old 03-29-2010, 11:42 PM
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well I got a bid in on a used ls6 intake Im waiting on a reply. is this the right route? or should I do a new bbk for about the same money? and as far as push rods will i need to up grade? and what length?
Old 03-29-2010, 11:58 PM
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Originally Posted by Reno's2fastestfbodys
well I got a bid in on a used ls6 intake Im waiting on a reply. is this the right route? or should I do a new bbk for about the same money? and as far as push rods will i need to up grade? and what length?
The BBK is better for Fi or nitrous and like the LS6 there is very little to no room for porting. There is no marginal difference between both manifolds performance either.

Before i forget the pushrods you have to measure (TSP has a great collapsible PR they sell) do not ever take any ones advice on the net when it comes to PTV or push rod length.

Last edited by 02*C5; 03-30-2010 at 12:34 AM.
Old 03-30-2010, 12:32 AM
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there is a reason why practically nobody on here has the BBK SSI intake. its simply not worth it, plus you have heat soak issues to deal with.
Old 03-30-2010, 01:11 AM
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Originally Posted by bww3588
plus you have heat soak issues to deal with.
And they are minimal at best as well. LS6 intake..done!
Old 03-30-2010, 01:50 AM
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Originally Posted by 02*C5
The BBK is better for Fi or nitrous and like the LS6 there is very little to no room for porting. There is no marginal difference between both manifolds performance either.

Before i forget the pushrods you have to measure (TSP has a great collapsible PR they sell) do not ever take any ones advice on the net when it comes to PTV or push rod length.
ok so when I order my tsp 228r next week, advise them of the application and they will guide me in the right direction as far as pr's?
Old 03-30-2010, 01:54 AM
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they are going to tell you to measure for them and get back with them.
Old 03-30-2010, 01:54 AM
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Originally Posted by Reno's2fastestfbodys
ok so when I order my tsp 228r next week, advise them of the application and they will guide me in the right direction as far as pr's?
If you have stock heads or know the CC they should be able to tell you based on the base circle of the cam as well.
Old 03-30-2010, 02:10 AM
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Originally Posted by bww3588
they are going to tell you to measure for them and get back with them.
1) how and what do I measure?

Originally Posted by orangeapeel
If you have stock heads or know the CC they should be able to tell you based on the base circle of the cam as well.
2) Im ordering the cam from them they should know that right?
3) stock LS2 243 or 799 heads have the same cc?
4) if not where do I find that info?
5) am I annoying you yet?
Old 03-30-2010, 02:38 AM
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Im not gonna do the number game. lol!

here this is helpful. Yeah they should know.

http://www.smokemup.com/tech/ls1.php
Old 03-30-2010, 02:40 AM
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Originally Posted by Reno's2fastestfbodys
1) how and what do I measure?
He is refering to PTV. Piston to Valve clearance. Most of the time its not an issue if you dont have some oddball or radical cam you plan on running. However you do have to take your heads off to measure.
Old 03-30-2010, 10:17 AM
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Originally Posted by Reno's2fastestfbodys
1) how and what do I measure?
With a pushrod length checking tool. Don't run a stock pushrod but a stock length should be fine. You won't know til you get the cam in.

Originally Posted by Reno's2fastestfbodys
2) Im ordering the cam from them they should know that right?
They'll know if it's on a different base circle.

Originally Posted by Reno's2fastestfbodys
3) stock LS2 243 or 799 heads have the same cc?
Yes, 64.5cc

Originally Posted by Reno's2fastestfbodys
4) if not where do I find that info?
Kris

Originally Posted by Reno's2fastestfbodys
5) am I annoying you yet?
No, but you owe me a beer
Old 03-30-2010, 10:08 PM
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Originally Posted by PICNIC_GEORGE
With a pushrod length checking tool. Don't run a stock pushrod but a stock length should be fine. You won't know til you get the cam in.

They'll know if it's on a different base circle.

Yes, 64.5cc

Kris

No, but you owe me a beer
ok Ill buy you a beer. you on myspace or facebook?
Old 03-30-2010, 10:15 PM
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Oh by the way you will probably need lifters these are the same ones I am running new factory stock LS1/LS6 lifters not the LS7 replacements.
http://cgi.ebay.com/ebaymotors/NEW-G...Q5fAccessories
Old 03-31-2010, 02:48 AM
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Originally Posted by 02*C5
Oh by the way you will probably need lifters these are the same ones I am running new factory stock LS1/LS6 lifters not the LS7 replacements.
http://cgi.ebay.com/ebaymotors/NEW-G...Q5fAccessories
Bought!!!!!
Old 03-31-2010, 02:51 AM
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100$ thats not bad!
Old 04-01-2010, 04:25 AM
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OK SO GOT MORE INFO!!!! 243's off 05 GTO less than 40,000 mi on them
Old 04-01-2010, 04:41 AM
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Now find me a pair!
Old 04-01-2010, 10:29 AM
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Originally Posted by orangeapeel
Now find me a pair!
I bought a brand new as in never used pair of ls6 heads w/ comp 918 springs for $300, I traded a guy with a z06 some used $70 o2 simulators for his ls6 manifold, I won't tell you what I paid for my throttle body hahahaha. The deals are out there you just gotta look.
Old 04-01-2010, 03:20 PM
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Originally Posted by orangeapeel
Now find me a pair!
http://cgi.ebay.com/ebaymotors/ls1-l...item3a59465bd2 here you go
Old 04-01-2010, 05:17 PM
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LS2 heads r the same as the '01 LS6 heads


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