wastegate actuator?? - Chevy and GMC Duramax Diesel Forum

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post #1 of 9 (permalink) Old 02-23-2009, 09:15 AM Thread Starter
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wastegate actuator??

i have an 02 that is basically stock, but was wondering if a waste gate actuator would give me any more boost. or if its not worth it without more mods.

any input would be appreatiated
thanks !!!!!

2002 2500HD LB7, 4'' MBRP exhaust, stage II AFE intake, Boost and Pyrometer gauges, PPE boost valve, Customed tuned by Bernie @ BR Powersource!! !! 3'' lift
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post #2 of 9 (permalink) Old 02-23-2009, 09:24 AM
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Quote:
Originally Posted by farmtough View Post
i have an 02 that is basically stock, but was wondering if a waste gate actuator would give me any more boost. or if its not worth it without more mods.

any input would be appreatiated
thanks !!!!!
it is cheaper to just get a ppe boost vavle, will get you 6-8 lb more boost.

03 EC/LB LB7: EFI LIVE, S&B intake, 5" DE, ATS manifolds and up pipes, Stock turbo (for 1 more weeks), airdog 150, pieced together trans, sleeve (trac bars and centerlink soon), 8" rear air bags-overload springs+2" blocks, bilstein 5100 shocks, leveled, nitto 285/75/17's and BFG KM2 255/85/16's for winter.
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post #3 of 9 (permalink) Old 02-23-2009, 09:41 AM Thread Starter
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sweet, are they easy to change? is it internal or similure to the wastegate? how much are they worth? where would find one?
thanks

2002 2500HD LB7, 4'' MBRP exhaust, stage II AFE intake, Boost and Pyrometer gauges, PPE boost valve, Customed tuned by Bernie @ BR Powersource!! !! 3'' lift
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post #4 of 9 (permalink) Old 03-12-2009, 04:14 PM
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2001-2004 LB7 Boost Increase Valve [FGBSTVLV0104] - $29.99 : Pacific Performance Engineering, Innovations in Diesel Performance

J.J.
2003 2500hd silverado duramax crew cab short bed leveled on 33's. banks 4" monster exhaust straight pipe, banks ram air intake, banks exhaust brake, ppe boost increase valve.
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post #5 of 9 (permalink) Old 03-12-2009, 04:25 PM
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it probably wont give you much more boost without a tuner. but i agree with the others the ppe boost valve is a cheap, easy mod that works

built motor, big turbos, built trans, etc all by me, parts from Elite Diesel

1016 hp

7.1 1/8 @ 100

11.27 @ 105
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post #6 of 9 (permalink) Old 03-12-2009, 04:45 PM
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try timespeantsearching's intake horn mod...ill post a link to his thread...

01 Chevy CCSB LB7
EFI By Rob,
M/A Tranny w/ Precision ML converter ,ATS 4000, 5" ATS CAI, Carrillo Rods, Cut/Coated Pistons, Keyed Crank/Cam, Balanced, H Series Bearings, ARP Head/Main Studs, 35% CP3, AIRDOG-II 165 w/ cat filters, Nicktane, MA Mounts, Cognitos, Sleeves, 4" Straight Pipe, Merchant Pump Rub, Bilstein 5100's, Cobalt Boost/Pyro/Fuel, 8000k's, Duratracs 285/75/16, JVC Head Unit,Memphis Speakers, 10" Pioneer @ 1000w...

YOUTUBE Channel of Pulls, Races, Launches, etc: YOUTUBE CHANNEL
-Dillon Student at Michigan Tech University studying Mech & Elec Engineering
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post #7 of 9 (permalink) Old 03-12-2009, 04:48 PM
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here it is...im getting it done by him in about 2 weeks!!!...
LB7 intake horn mod

01 Chevy CCSB LB7
EFI By Rob,
M/A Tranny w/ Precision ML converter ,ATS 4000, 5" ATS CAI, Carrillo Rods, Cut/Coated Pistons, Keyed Crank/Cam, Balanced, H Series Bearings, ARP Head/Main Studs, 35% CP3, AIRDOG-II 165 w/ cat filters, Nicktane, MA Mounts, Cognitos, Sleeves, 4" Straight Pipe, Merchant Pump Rub, Bilstein 5100's, Cobalt Boost/Pyro/Fuel, 8000k's, Duratracs 285/75/16, JVC Head Unit,Memphis Speakers, 10" Pioneer @ 1000w...

YOUTUBE Channel of Pulls, Races, Launches, etc: YOUTUBE CHANNEL
-Dillon Student at Michigan Tech University studying Mech & Elec Engineering
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post #8 of 9 (permalink) Old 03-12-2009, 05:01 PM
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Originally Posted by farmtough View Post
i have an 02 that is basically stock, but was wondering if a waste gate actuator would give me any more boost. or if its not worth it without more mods.

any input would be appreatiated
thanks !!!!!
W/O moderate to big tuning, a BIV or a Wastegate won't give much more boost at all.

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post #9 of 9 (permalink) Old 03-12-2009, 05:14 PM
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if you get creative you can shorten the wastegate rod. I haven't tried it yet, but on my Solstice it was threaded and gives me another 10% of boost. The LB7 turbo wastegate is not threaded so its not as easy to do.

2013 Chevy LTZ with stock LML

2008 Pontiac Solstice GXP, 3" Solo exhaust, high flow cat, CAI, Trifecta tune, BC coilovers
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