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06-16-2009, 09:50 PM
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#1 |
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Registered User
Join Date: Feb 2007
Location: Cali Central Coast
Posts: 5,191
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SM465 with a stroker?
Does anyone have an SM465 hooked up to a motor that scoots pretty good, like a stroker? I'd really like to keep the SM465, but would like to put a potent crate motor (for me, that's around 340-350 hp) in the truck. Let me know what you guys have in front of your old 4-speeds.
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'67 SWB Fleetside ZZ4/350/Tremec 5-speed/4link/Scott's IFS - and fun as heck! SOLD  Click here to support the board Philippians 4: 6-7 |
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06-16-2009, 10:39 PM
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#2 |
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Registered User
Join Date: Mar 2006
Location: kearney,nebraska
Posts: 443
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Re: SM465 with a stroker?
i got the original one in my '72 stepside behind a '73 buick 455 with a centerforce dual friction , i've given it it about all i can
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'70 k-10 longbox- mid 70's drivetrain 350/350 487x heads 10.1:1 flowmasters ,35's 3.73's auburn posi ,rear shackle flip. '72 short stepside U.S. forestry truck, '73 455 buick,400 turbo,dropped 2"-4 1/4" ,3.07 posi,:'89 silverado 1500 ,OK truck ,5.7 holley tbi ,trick 700r4 3.07 auburn posi ,and my '66 skylark ,'73 centurion and my '84 monte carlo imca stock car |
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06-16-2009, 10:40 PM
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#3 |
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Well, Whoop-dee-do!
 
Join Date: Mar 2003
Location: Easton, Mo. pop.- me & scarcely a few others
Posts: 2,302
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Re: SM465 with a stroker?
If you are asking if it will handle power- this truck is putting 760 HP thru one. Very common at this power level and they hold up pretty good.
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'68 GMC shortbox 4x4 350/SM465/T221- bought it in '83 SOLD  '72 K20 500 Cad/TH400/NP205 SOLD '92 Chevy 2500 6.5 mech TD 4L80E crusty daily driver '72 Monte Carlo... sweet low mile toy '11 Dodge Challenger IE 392 6spd... midlife car 
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06-16-2009, 10:45 PM
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#4 |
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Registered User
Join Date: Mar 2006
Location: kearney,nebraska
Posts: 443
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Re: SM465 with a stroker?
heres an older pic
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'70 k-10 longbox- mid 70's drivetrain 350/350 487x heads 10.1:1 flowmasters ,35's 3.73's auburn posi ,rear shackle flip. '72 short stepside U.S. forestry truck, '73 455 buick,400 turbo,dropped 2"-4 1/4" ,3.07 posi,:'89 silverado 1500 ,OK truck ,5.7 holley tbi ,trick 700r4 3.07 auburn posi ,and my '66 skylark ,'73 centurion and my '84 monte carlo imca stock car Last edited by 66skylarkpost; 06-16-2009 at 10:49 PM. |
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06-18-2009, 02:05 PM
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#5 |
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Truck Enthusiast
Join Date: Apr 2009
Location: merced, ca
Posts: 20
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Re: SM465 with a stroker?
Ive been running a 465 behind a 400hp 400 10 years, started popping out of 3rd gear recently, but the trans was worn and was in a 66 chevy running 75 k20 gear. as long as its not worn out, its fine
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06-18-2009, 02:29 PM
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#6 |
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Registered User
Join Date: Mar 2008
Location: N.C.
Posts: 250
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Re: SM465 with a stroker?
Ok,guys what factory cars or truck did the sm465 come in,and do any of you have a pic of one?So I can keep an eye out for one.
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If it ain't a chevy,I don't want it |
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06-18-2009, 02:35 PM
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#7 |
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Registered User
Join Date: May 2009
Location: Aloha, OR
Posts: 18
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Re: SM465 with a stroker?
I have a pretty stout 454 with either an SM420 or 465 behind it and I hate it! I don't do much towing, and the gearing just FEELS wrong to me. I like off the line speed, but when I am in fourth before I hit 40 miles an hour, not my cup of tea. I have a TH400 ready to install this weekend. While I know the TH400 may not have the same strength (or it might), but I prefer the off line speed.
From a strength perspective, these manual transmissions are capable of handling a LOT of power. |
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06-18-2009, 03:40 PM
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#8 |
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Registered User
Join Date: Feb 2007
Location: Cali Central Coast
Posts: 5,191
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Re: SM465 with a stroker?
I'm thinking that the gearing is much like a three-speed in that you use a wide range of rpm's for each gear, from almost lugging the motor to almost over-revving it. I wonder if a 383 stroker would be an O.K. motor for that?
__________________
'67 SWB Fleetside ZZ4/350/Tremec 5-speed/4link/Scott's IFS - and fun as heck! SOLD Click here to support the board Philippians 4: 6-7 |
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