how much boost for LT1??? - LS1TECH

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how much boost for LT1???

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Old 04-26-2007, 05:20 PM   #1
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Default how much boost for LT1???

i have my mind set on getting a blower on my 94 z28 but will my stock block be able to still remain my daily driver with an extra 7+ lbs of boost

what is my boosting limit??

im gonna build a 4 bolt main short block from a vette how much more will that handle???
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Old 04-26-2007, 05:22 PM   #2
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do you mean stock internals too?
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Old 04-26-2007, 05:24 PM   #3
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yea all stock exept for my next sb
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Old 04-26-2007, 05:28 PM   #4
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While the boost level will be limited due to the compression ratio, your bigger limitation will be the bottom end. If you have a stock bottom end, you will be limited by its strength. Go too high and you may be building that other engine sooner than you think. So your question should be phrased more like "How many rwhp can I run safely on the stock internals?".
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Old 04-26-2007, 06:20 PM   #5
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LT1 with the pink pistons and rods can handle 500-600fwhp if everything is right but not forever
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Old 04-26-2007, 07:00 PM   #6
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This question is asked weekly on camaroz28.com.
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Old 04-26-2007, 08:04 PM   #7
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thanks
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Old 04-26-2007, 09:16 PM   #8
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Quote:
Originally Posted by Ari G
LT1 with the pink pistons and rods can handle 500-600 fwhp if everything is right but not forever
Hmmmm.
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Old 04-27-2007, 04:31 AM   #9
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Take a look at our '95 formula. The internally stock engine has been on 9 psi of boost for four + years.
http://www.exoticperformanceplus.com...tCar.php?car=7
Video http://video.ls1tech.com/video/89b2f...a4011bec07.htm Bob
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Old 04-27-2007, 05:19 AM   #10
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Thanks, Bob. Is it still running 368 rwhp.?
How many miles does it have on it now?
I spoke to someone last year who said he was running 450 rwhp on his LT1 (mods plus Procharger), but it grenaded on him after about 25k miles.
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Old 04-27-2007, 06:02 AM   #11
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Quote:
Originally Posted by koolaid_kid
Thanks, Bob. Is it still running 368 rwhp.?
How many miles does it have on it now?
I spoke to someone last year who said he was running 450 rwhp on his LT1 (mods plus Procharger), but it grenaded on him after about 25k miles.
Yes, it is still at about 367-368 rwhp. The 4000 stall give it lower rwhp numbers than what it really is producing. This car only has 5000 miles it, a lot of them are 1/4 mile at a time. Bob
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Old 05-01-2007, 08:14 PM   #12
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thanks again but before getting the blower i think ill build that 4 bolt beefed up lt1
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