2.1L High Compression Build - Page 2 - Cobalt SS Network

2.0L LNF Performance Tech 260hp and 260 lb-ft of torque Turbocharged tuner version.

2.1L High Compression Build

Old 12-17-2018, 01:49 PM
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Originally Posted by Slowbalt2000 View Post
So youre going to use a gen2 LE5 block as the basis for this build? Whats the end power goal?
Yes we are using an LE5 block. I don't really know his end goal. He basically wants a better spool and more TQ. He made 440hp last dyno.
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Old 12-17-2018, 02:02 PM
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I wish you more luck than I had using those blocks.
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Old 12-17-2018, 02:04 PM
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Slowbalt is the the last type of engine that you blew up?
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Old 12-17-2018, 02:19 PM
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Originally Posted by Slowbalt2000 View Post
I wish you more luck than I had using those blocks.
Thanks me too!

Originally Posted by Snail_SS View Post
Slowbalt is the the last type of engine that you blew up?
Ya he has cracked an LE5 block or 2. We are running a smaller turbo and stock cams. Thus is what he wanted for a better track car. The main track he goes to is not a big HP track he's just looking to have a lower powerband to help leaving the corners. We usually turn it down for track days anyhow.
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Old 12-17-2018, 02:40 PM
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Originally Posted by Snail_SS View Post
Slowbalt is the the last type of engine that you blew up?
Ive split the sleeves on 2 le5 blocks. Maybe running a higher pressure coolant cap would help
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Old 12-17-2018, 02:44 PM
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Originally Posted by Slowbalt2000 View Post
Ive split the sleeves on 2 le5 blocks. Maybe running a higher pressure coolant cap would help
There ya go! More PSIs for the other side of the cyl to hold in all the boost PSIs!!
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Old 01-08-2019, 11:16 AM
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I was able to do a bit more work on the build over the weekend. She was pretty clean compared to the LE5. I also started porting the head. I'm going big on the exhaust to get the air out but will be keeping the intake side mild since we will be running stock cams.





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Old 01-11-2019, 01:54 PM
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We will be back at the build again this weekend. We are doing some very interesting block mods that I will be sharing!
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Old 01-11-2019, 04:24 PM
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Nice in for more info
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Old 01-11-2019, 10:02 PM
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Nice!
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Old 01-17-2019, 08:43 PM
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Subscribing to this new guy's thread . . .

The build up is nice and all but check out that badass street sigh tho -

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