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stock motor and turbo?

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Old May 29, 2010 | 06:57 PM
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Default stock motor and turbo?

Im working on a ls rx7 conversion. I want to use a turbo due to my past with turbos and EMS. IM thinking 4.8,5.3, or maybe ls1 depends on the buget. IM looking for about 600hp and Im thinking of useing hptuners and a ls6cam other than that I need some info or a good place to go get it? ANy info on the tranny would be great also?

Thnaks
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Old May 29, 2010 | 07:10 PM
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ditch the 4.8 idea...now the 5.3s with 6.0 heads seems to do that job often here...
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Old May 30, 2010 | 07:05 AM
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any idea on compression with those heads Im thinking its lower with those 72cc heads
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Old May 30, 2010 | 08:12 AM
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8.5-8.6 I'm building the same thing for my mustang. 5.3, 02+ ls6 cam, 317s. Still in the air on turbo
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Old May 30, 2010 | 08:16 AM
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i broke a piston in my 6.0l im doing the same thing 5.3 with my 317's with an ls6 cam..
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Old May 31, 2010 | 09:08 AM
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any idea how much hp that 5.3 bottom end will hold
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Old May 31, 2010 | 09:27 AM
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did you look in the sticky? if not here you go and you can look at my sig
https://ls1tech.com/forums/forced-in...lity-list.html
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Old May 31, 2010 | 10:08 PM
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Sorry about that Thnaks
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Old Jun 1, 2010 | 07:44 AM
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no worrys man there is alot of info on here, its easy to miss stuff
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Old Jun 1, 2010 | 08:07 AM
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what is your timing? 630 and 660 is crazy power!
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Old Jun 1, 2010 | 01:38 PM
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17 degs for the most part for hp and 30deg i think for tq. those turbo hit hard down low
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Old Jun 1, 2010 | 02:19 PM
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yeah there have been many factory bottom end 5.3's with stock 317's pushed past 650whp. dont keep it there and youll get long life with em lol, but ive been researching this and have seen several keep low boost for DD and run north of 700hp for single runs with meth. not too shabby for a $400 junkyard shortblock lol
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