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Old 06-22-2013, 08:42 PM   #15
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I'm a little over 9psi with M6, LS3, bolt ons and mild blower cam. 650ish at the wheels. Stingy dyno too. 3.3 front with 1:1 rears. You could do a front drive with tiny pulley (belt slip). Or rear drive with o/d pulleys and 3.6 front pulley (little or no slip). Other option is o/d crank pulley with front drive. Still need a pretty small front pulley to get you where you want to be. And all or your accessories on the front of the motor are spinning too fast. By far, the best option is the rear drive with o/d pulleys.
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Old 06-22-2013, 08:53 PM   #16
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The Magnason style will give you the most hp and some room to grow,we never stop lol.
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Old 06-23-2013, 09:53 AM   #17
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Old style TVS gets you the numbers you're looking for on a 427. I know of one that just put up 678/770 ft lbs @8psi .
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Old 06-23-2013, 10:40 AM   #18
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Whipple makes a kit for Z06 (LS7) vettes. Don't know if there are any challenges going to a C5. You might have a little more head room with the bigger blower. That's if you don't want to get on to the "adding ribs" treadmill that gradually sucks your wallet dry. You don't notice it, but you get talked into 8 ribs, then 10 ribs, then o/d balancers.....then, you wake up one day and go, "sheeeeeeeiat, money's gone". Then it's, "Honey, you have a little spare time. Any chance of you working a second job?"
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Old 06-24-2013, 08:21 AM   #19
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You can make 10psi with a front drive TVS2300 and a 427. Mine does 8.5psi but its only like this because I didn't want to turn it up, you need to run an 8" OD balancer and a 3.0 pulley, but will need an 8-rib drive and about 10:1 static compression.

Use the jackshaft version and risk breaking the jackshaft at higher blower speeds.
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Old 06-24-2013, 08:38 AM   #20
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Quote:
Originally Posted by ayousef View Post
You can make 10psi with a front drive TVS2300 and a 427. Mine does 8.5psi but its only like this because I didn't want to turn it up, you need to run an 8" OD balancer and a 3.0 pulley, but will need an 8-rib drive and about 10:1 static compression.

Use the jackshaft version and risk breaking the jackshaft at higher blower speeds.
How much are you pulling? RWHP and Torq
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Old 06-24-2013, 09:51 AM   #21
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Thought about swapping to a centri or turbos? Easy 650-1000rwhp with a forged 427. Turbos would make more torque and be adjustable for boost/power at the turn of a dial.
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Old 06-24-2013, 10:12 AM   #22
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Originally Posted by old motorhead View Post
Whipple makes a kit for Z06 (LS7) vettes. Don't know if there are any challenges going to a C5. You might have a little more head room with the bigger blower. That's if you don't want to get on to the "adding ribs" treadmill that gradually sucks your wallet dry. You don't notice it, but you get talked into 8 ribs, then 10 ribs, then o/d balancers.....then, you wake up one day and go, "sheeeeeeeiat, money's gone". Then it's, "Honey, you have a little spare time. Any chance of you working a second job?"
Brother Im working a second job for all my mods now LMAO!
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