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STS Turbo & TSP Tuning Take Stock 5.3l Past 500rwhp!!

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Old 05-12-2004, 12:08 PM
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Originally Posted by BigTex
Allen, my point was that with the right mods you can have a mid/low 13 second SS without a power adder and still retain the daily driver aspects. I wasn't saying this turbo isn't a worthwhile mod, just that your sights are too low.

There is a big price difference in a cam and a turbo / supercharger kit. Didn't you install a radix on an SS with some custom tuning and smaller pulley that can't get out of the 14s?
I'm sure it will be faster than that, there's just no need to set goals so high for a turbo bolt on that is going to be a daily driver. I'd be happy with mild boost and low 13's in a big truck.

Ya I sure did, then he replaced his belt and got into the 13's.


later,

allen
Old 05-12-2004, 02:06 PM
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Here's the dyno sheet guys, sorry for the delay


I will be talking to them today on a system for our 408 stroker today It had the 60mm turbo & he also gutted the cats guys
Old 05-12-2004, 02:17 PM
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man oh man, i bet this will get the STS haters talkin! looks good, even though auto trannys never "look" good on a dyno.
Old 05-12-2004, 02:22 PM
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Originally Posted by F8LPONY
LOL, yeah but instead of a gas trucks measly TQ he prolly put out 800+ft.lbs. Hahaha


I shaved mine down to a raceweigth of 4850lbs

lol, no way. our duramax pulled 405/850 on a mustang dyno and only runs 13.9s - Tomac i believe has never dynoed but easily makes 700 rwhp and 1600 rwtq (maxed out on a dyno).
Old 05-12-2004, 02:33 PM
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The 60mm turbo is the base unit isn't it??

Maybe that's why it fell off so sharp on the top end???

I assume you guys were monitoring everything so what kind of timing was it running (and seeing, like any KR).

I would love to be able to get 500rwhp out of my kit but I have the GT35 upgrade but I dont know what that equates to mm wise.

No race gas? just 93octane??

Sorry for so many questions but mine goes in next week and I am thirsty for knowledge.
Old 05-12-2004, 02:51 PM
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you guys say he'll break parts like it's the STS turbo kits fault... any power adder making that much will tear **** up.. give it the props that it deserves!!

just congratulate him
Old 05-12-2004, 03:15 PM
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What's happening below 3,750 rpm? Does it pull nice and ealy in the powerband, or is there lots of lag?
Old 05-12-2004, 03:35 PM
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looks like he has to start there to prevent kick down...
Old 05-12-2004, 03:41 PM
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How come trucks aren't pulled in second gear?

When I select second gear, my tranny appears to be completely locked in. (no kickdown, no upshift)
Old 05-12-2004, 03:57 PM
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with all the debate on how well a rear turbo is going to perform it would sure be nice to get a better looking graph, the peak is wonderful but it looks awful peaky. on my runs i locked it in 2nd and locked the converter. people are going to want to know what the trade off's are(if any) of a rear turbo, and looking at that chart it makes me wonder if there isn't some lag at the start and some exhaust restriction up top. i am not trying to slam the sts kit at all, there are some definate positives to the kit(packaging, price...), just trying to analize things a little

here is my last dyno chart with a traditional turbo set up.(remember it is thru a 4l80e and tcase).
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