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08-01-2011, 04:07 PM
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#1 |
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Registered User
Join Date: Jul 2010
Location: newport,minnesota
Posts: 65
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400+ hp with a saginaw 4 spd ?'sss
Hey I'm new to the site and I just found a really nice saginaw for $350. I'm in process of a frame up on a '68 C-10 and want to get rid of my old 307 with 3 spd manual. I plan on putting in a 383 stoker with about 400 hp. Is this tranny going to hold up to this kind of horsepower? Im not gonna race it or anything, just a toy I drive on wknds. It's not going to be a show truck, its my first rebuild. Any help on what trans all you guys use would be great!!
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08-01-2011, 06:04 PM
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#2 |
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Eat, Sleep, Drive a Chevy
Join Date: Apr 2010
Location: the town of the cow, Texas
Posts: 1,152
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Re: 400+ hp with a saginaw 4 spd ?'sss
I have run Saginaws years ago and never had any trouble with the gear box. I had a very strong small block that ran mid 11's in the quarter mile, of corse that was in a camaro. Saginaw would not be my first choice but I dont think it will be your weakest link
good luck
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Trey Silence may be Golden, but Duct Tape is Silver! 72 Short Step 57 "big window" short step |
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08-02-2011, 12:48 AM
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#3 |
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My Carbon Footprint
Join Date: Oct 2008
Location: Orygun
Posts: 5,527
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Re: 400+ hp with a saginaw 4 spd ?'sss
Problem is partly the power AND the weight of the truck. The drivetrain always lets go at the weakest part. I wouldn't in these trucks.
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08-02-2011, 12:54 AM
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#4 |
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Registered User
Join Date: Jan 2007
Location: Charles City IA
Posts: 1,626
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Re: 400+ hp with a saginaw 4 spd ?'sss
Welcome from another MN member!
Honestly, with that kind of power I'd be looking at something like at least an NV4500 or something stronger than a Saginaw. That's just me.
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'67 C20, Under the Knife!, LWB, Eaton HO-52, Rear Coil Springs 72' GMC C2500, 350, TH400(?), Dana 60 '67 K10 4-spd., 305, SM465, Dana 44, 12 Bolt, RUST! '65 C60 292, 4 spd, 2 spd Rearend, 15' Grain Box, MINT! 09 Yukon Denali 82k Miles 6.2L/6A |
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08-02-2011, 12:59 AM
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#5 |
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~Rest In Peace~
Join Date: May 2005
Location: CALIFORNIA NOR CAL
Posts: 9,707
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Re: 400+ hp with a saginaw 4 spd ?'sss
you eat that trans up with the clutch and pressure plate .i had a m21 blow up then i had it rebuilt for 500 hp rate it cost me 2200 bucks ,look for t5 trans
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is it fast ? it has a lighting bolt donut? B___H please, I can remove 90% of your so called "beauty" with a kleenex |
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08-02-2011, 01:02 AM
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#6 |
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6>8 Plugless........
 
Join Date: Sep 2007
Location: Prairie City, Ia
Posts: 17,142
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Re: 400+ hp with a saginaw 4 spd ?'sss
I'd try to find a NV4500 and be done with it personally. Heck a NV3500 may get the job done too.
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Ryan 1972 Chevy Longhorn K30 Cheyenne Super, 359 Inline 6 cylinder, Auto Trans, Tilt, Diesel Tach/Vach, Buckets, Rare Rear 4-link and air ride option Build Thread 1972 GMC Sierra Grande Longhorn 4x4 1972 Chevy Cheyenne Super K20 Long Step side tilt, tach, tow hooks, AC, 350 4 speed 1972 C10 Suburban Custom Deluxe 1969 Chevy milk truck 1971 Camaro RS 5.3 BTR STG3 Cam Super T10 1940 Ford 354 Hemi 46RH Ford 9" on air ride huge project Tired of spark plugs? Check this out. |
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