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Old May 28, 2008 | 11:39 AM
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Default LS9 info
The July Hot Rod mag. has an article on the ZR1 LS9 motor. Lots of interesting info. 6 pages w/pictures. The article hasn't hit the online site yet, you'll have to buy the magazine.

SAE 638 HP @ 6500RPM
605 TQ @ 3800RPM

Block is 20% stronger in the main bearing webs.

ALL 2009 6.2 Blocks will be upgraded to this casting!

7 layer head gasket and 12mm stainless head bolts.

Oil squirters for the pistons.

Heavier, thicker domed pistons (539 grams) w/polymer skirt coating. 9:1 compression.

Panki titanium rods w/tapered wristpins.

Lots of info on the blower.

Lots of info, names and pictures of the design crew.
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Old May 28, 2008 | 01:11 PM
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Cool.
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Old May 28, 2008 | 02:00 PM
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Originally Posted by haljensen
ALL 2009 6.2 Blocks will be upgraded to this casting!
Nice!
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Old May 28, 2008 | 02:26 PM
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I just wonder if they are going to release the certified numbers for the LSA sometime this decade.
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Old May 28, 2008 | 02:27 PM
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Originally Posted by Silverspeed
I just wonder if they are going to release the certified numbers for the LSA sometime this decade.
It would be interesting to find out.
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Old May 28, 2008 | 02:48 PM
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Very Interesting. Thanks!
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Old May 28, 2008 | 06:30 PM
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Originally Posted by Silverspeed
I just wonder if they are going to release the certified numbers for the LSA sometime this decade.
If you mean Lobe Seperation Angle the article says it's 122.5°.
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Old May 28, 2008 | 07:00 PM
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Originally Posted by haljensen
If you mean Lobe Seperation Angle the article says it's 122.5°.
That's pretty funny, he's wondering about the other general specs and you're giving the cam specs LOL...the LSA of the the LSA so to speak.
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Old May 29, 2008 | 01:08 AM
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I took the following photos on Sunday at IMS:




And the car:

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