Turbo size - Chevy and GMC Duramax Diesel Forum

01-04.5 LB7 Duramax Powertrain Discussion of components that are directly involved in the power production and all that is needed to get and keep the truck moving . Engine , Transmission, Etc.

 
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post #1 of 10 (permalink) Old 09-02-2009, 07:27 PM Thread Starter
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Turbo size

Anyone know the size of a stock LB7 turbo?

2003 GMC 2500HD- 4in. straight exhaust, intake, Suncoast Stage IV, Air Dog 150 lift pump, BD Supermax turbo, Isspro EV2 gauges, BD manifold, 6 in. RCD lift, EFI Live w/DSP 5 tuned by Xtreme FX Tuning.
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post #2 of 10 (permalink) Old 09-02-2009, 07:39 PM
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iirc its like 58mm
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post #3 of 10 (permalink) Old 09-02-2009, 07:43 PM
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I thought 59.5mm compressor wheel but I could be wrong.

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post #4 of 10 (permalink) Old 09-02-2009, 08:55 PM
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not big enough
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post #5 of 10 (permalink) Old 09-02-2009, 08:56 PM
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time spent searching has my stocker ask him to measure it for you.
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post #6 of 10 (permalink) Old 09-12-2010, 09:27 AM
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what is the exhaust side size? and waste gate size?

PULLER 01 P-Pumped work stock monster
Mine: 01 CCSB Dmax
Hers: 03 CCSB Cummins.
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post #7 of 10 (permalink) Old 09-12-2010, 04:27 PM
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Is the LBZ the same size?

'06 Silverado LBZ 4X4 CC/SB

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post #8 of 10 (permalink) Old 09-12-2010, 04:34 PM
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i think the lb7s ihi is bigger im sure someone will correct me if im wrong

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post #9 of 10 (permalink) Old 09-12-2010, 09:02 PM
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no im pretty sure the lb7 turbo is the smallest, and the lly was the biggest, unless the lmm or lml had a bigger one

PULLER 01 P-Pumped work stock monster
Mine: 01 CCSB Dmax
Hers: 03 CCSB Cummins.
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post #10 of 10 (permalink) Old 09-12-2010, 09:09 PM
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Well, i have no idea. Subscribed.

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SOLD: 2001 2500HD LT CCSB 4X4 LB7
AKA: "WHITEY"

Tuned by SCRTuning: 431 HP 823 TQ
New Truck:
05' CCSB 2500HD 4X4 LLY Code Name:Lilly
2 inch drop Shackles and Front set to match
LBZ Mouthpiece, 5" TBE, EFILive by SCRTuning
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