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COPO Whipple 4.0

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Old 06-26-2012, 06:21 PM
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Originally Posted by Preston129
You can get any p/n from any dealership.
be sure to bring your check book! im sure the whole motor has/will have a part number but i would hope you can get the parts separate.

fyi i just busted out the ls series power magazine that has the copo motor in there. it is jackshaft driven therefore does not have a 180 inlet. also they say it flows 2518 cfm vs 1720 of a street car kit. will spin 18,000 rpm and make 30# of boost. and for anyone curious of cam specs 244/255 .650 lift not so much of a "blower" or 5.3 cam
Old 06-26-2012, 08:43 PM
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holy **** thats a motor!!
Old 06-26-2012, 09:06 PM
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Originally Posted by schino
be sure to bring your check book! im sure the whole motor has/will have a part number but i would hope you can get the parts separate.

fyi i just busted out the ls series power magazine that has the copo motor in there. it is jackshaft driven therefore does not have a 180 inlet. also they say it flows 2518 cfm vs 1720 of a street car kit. will spin 18,000 rpm and make 30# of boost. and for anyone curious of cam specs 244/255 .650 lift not so much of a "blower" or 5.3 cam
Sounds like fun.
Old 06-26-2012, 09:07 PM
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Originally Posted by schino
be sure to bring your check book! im sure the whole motor has/will have a part number but i would hope you can get the parts separate.

fyi i just busted out the ls series power magazine that has the copo motor in there. it is jackshaft driven therefore does not have a 180 inlet. also they say it flows 2518 cfm vs 1720 of a street car kit. will spin 18,000 rpm and make 30# of boost. and for anyone curious of cam specs 244/255 .650 lift not so much of a "blower" or 5.3 cam

Sounds like too much duration for rectangle port heads.
Old 06-26-2012, 09:09 PM
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Originally Posted by o2camaross
holy **** thats a motor!!
Originally Posted by 03sierraslt
Sounds like fun.
Hell yeah my thoughts exactley!

30psi WOOOOOOOOOOOOOOOOOOOOHOOOOOOOOOOOOOOO!!
Old 06-26-2012, 09:13 PM
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Callies makes the rotating parts for that 5.3. Should be able to get stuff from them, unless GM has it on patent lockdown or something.
Old 06-26-2012, 09:22 PM
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Originally Posted by smokeshow
Callies makes the rotating parts for that 5.3. Should be able to get stuff from them, unless GM has it on patent lockdown or something.
Hmmm that may be the direction I go, but with a 9xmm turbo
Old 06-26-2012, 09:36 PM
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This is borrowed straight from Chevrolet Performance's facebook page. They posted some in-progress build pics of the COPOs and this one is the LSX 327/4.0L combo.


Old 06-26-2012, 09:40 PM
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Wow thanks for sharing, im not a FB member.

Im behind, so this COPO is running that huge blower on a 5.3??? INSANE!!!

Ive got reading to do
Old 06-26-2012, 09:49 PM
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Yessir! "You" were able to order a COPO with one of THREE engine options. LSX 327 w/ 2.9L whipple, LSX 327 w/ 4.0L whipple, or N/A LS 427 that uses the Holley Hi-Ram intake manifold. Or, If "you" had the money you could get the car with all three engine combos and GM will install the one you wish to be shipped with the car.


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