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400 specs

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Old 03-10-2002, 10:03 PM
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Car: 92' RS
Engine: LO3
Transmission: Probuilt 700R4
Axle/Gears: 3.70 9-bolt
400 specs

Anyone know the rod specs of a 400? Its out of a 71 Impala.
Old 03-10-2002, 10:37 PM
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Car: 2006 Silverado 1500
Engine: 5.3L
Transmission: 4L60E
what specs would you like to know about them?
Old 03-10-2002, 10:38 PM
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Length ? 5.565" ?
Old 03-10-2002, 10:50 PM
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Car: 85 iroc,96 z28,96 Ram 2500,69RR
Engine: 383 with AFR heads.
Transmission: richmond 5 speed
Axle/Gears: 1991 w/1LE.auburn pro series.2.73's
yes that is correct-any other specifications required?

Last edited by grumpygreaseape; 03-11-2002 at 12:17 AM.
Old 03-10-2002, 11:01 PM
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Car: 92' RS
Engine: LO3
Transmission: Probuilt 700R4
Axle/Gears: 3.70 9-bolt
Its also a 2-bolt main. I'm basically looking for all the specs required to build the rotating assembly.
So I can start looking at the cost for the buildup.
I have the crank already.
Old 03-10-2002, 11:20 PM
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Want to be a little more explicit maybe ?
Old 03-10-2002, 11:40 PM
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Car: 92' RS
Engine: LO3
Transmission: Probuilt 700R4
Axle/Gears: 3.70 9-bolt
Difference in the pins,
press fit wrist pin vs full floating.

Looking at the catalogs now I guess there aren't as many variables as I thought.
Just getting anxious I guess
Old 03-11-2002, 12:00 AM
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Car: 92' RS
Engine: LO3
Transmission: Probuilt 700R4
Axle/Gears: 3.70 9-bolt
Hey Blackened,

Your setup looks quite similar to what I would like to build. What kind of power are you getting?
Any particular mistakes in mind to avoid.
This will be my first build.
Old 03-11-2002, 12:28 AM
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Car: 85 iroc,96 z28,96 Ram 2500,69RR
Engine: 383 with AFR heads.
Transmission: richmond 5 speed
Axle/Gears: 1991 w/1LE.auburn pro series.2.73's
mistakes-running short rods-run a good semi-"custom"piston and 5.7 rods minimum-6.0 is even better=more bux. shine them shorties on for the next guy. mag the block till you are blue in the face-especially between holes and if a 3 freeze plug per side 4 bolt-all the main webbing. good balance job. have abused mine since 87or 88 with no internals becoming externals. b4 the ati it was n2o. back then head selection was slim, and to actually build a 400 and let people know about it, they laughed till you left and then they even pointed at you too. waahhhh times change eh? :hail:
Old 03-11-2002, 05:42 AM
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I wish I could help but mine is still on the stand and I'm STILL waiting for my rotating assembly parts to come in
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