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01-29-2013, 12:34 AM
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#1 |
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Registered User
Join Date: Jan 2011
Location: North little Rock, Arkansas
Posts: 471
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250 inline six
Hey everyone. I am going to get a 250 l6 long block to replace original motor and just reuse tinwork and what not from old engine and i was considering the part store Autozone or orielly`s seeing as its more cost effective and only place nearby to get motors. unless order them online. But i don`t know if its worth getting them what are they like? anyone know how good these motors are? etc... thanks in advance and if you have advice for break in period feel free to share!
 really looming marshall 250 with integrated head from autozone its cheaper and orielly`s doesnt have integrated head
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My build Lil` Red http://67-72chevytrucks.com/vboard/s...d.php?t=551373 1984 Chevy C10 short bed 2001 Chevy Impala police cruiser 2001 Chevy Silverado 1500 Z71 4wd extended cab dd
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01-29-2013, 01:07 AM
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#2 |
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Registered User
Join Date: Dec 2012
Location: Preble county ohio
Posts: 1,914
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Re: 250 inline six
can you get the 292? same motor longer stroke, longer stroke= more torque
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01-29-2013, 02:25 AM
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#3 |
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Registered User
Join Date: Jan 2011
Location: North little Rock, Arkansas
Posts: 471
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Re: 250 inline six
hmm... will have to check tomorrow. i will get back to ya
__________________
My build Lil` Red http://67-72chevytrucks.com/vboard/s...d.php?t=551373 1984 Chevy C10 short bed 2001 Chevy Impala police cruiser 2001 Chevy Silverado 1500 Z71 4wd extended cab dd
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01-29-2013, 03:45 AM
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#4 |
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Registered User
Join Date: Dec 2011
Location: Arlington WA
Posts: 1,728
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Re: 250 inline six
many of these got swapped out for small blocks and tossed in the junk pile but they are in no way a bad engine. depending on your gearing you may get 18-20MPG out of it and with a few upgrades they can be a sweet little engine. if you do plan on building it up, i would look for one without integrated heads (pre 1977)
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GMC C15 355 SM465 3.73 80 C10 cruiser build thread 79 short stepside crew cab. big and ugly. build thread |
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01-29-2013, 09:28 AM
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#5 |
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Registered User
Join Date: Dec 2012
Location: Preble county ohio
Posts: 1,914
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Re: 250 inline six
clifford performance for heads ,cams, intakes etc,etc
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01-30-2013, 06:43 PM
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#6 |
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Registered User
Join Date: Jan 2011
Location: North little Rock, Arkansas
Posts: 471
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Re: 250 inline six
WILL have to stroll on over to clifford then and check em out. i can get the 292 but no decision just yet maybe by end of the week. and cory d, ive heard that but no plans to build it up or anything.. a bit boring sounding but i`m perfectly fine with how it comes. idk tho gear ratio will have to do some checking buts its a 3 on the tree and seems to have a fairly low geared rear end
__________________
My build Lil` Red http://67-72chevytrucks.com/vboard/s...d.php?t=551373 1984 Chevy C10 short bed 2001 Chevy Impala police cruiser 2001 Chevy Silverado 1500 Z71 4wd extended cab dd
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01-30-2013, 11:28 PM
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#7 |
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Account Suspended
Join Date: Nov 2004
Location: Rhode Island/Vermont
Posts: 583
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Re: 250 inline six
If you do go 292 be advised it doesn't use the same size lower motor mounts on the crossmember as the 250... one of them is taller, so you will need to change that mount over.
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01-30-2013, 11:31 PM
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#8 |
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Account Suspended
Join Date: Nov 2004
Location: Rhode Island/Vermont
Posts: 583
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Re: 250 inline six
Also while I'm at it, I think the alternator bracket is different as well...
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01-31-2013, 12:53 AM
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#9 |
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Registered User
Join Date: Sep 2010
Location: los angeles
Posts: 1,134
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Re: 250 inline six
I'm still rocking the OG Integrated head 250 in my '78. I bought some nord-loc nuts to solve my blowing out exhaust gasket problem. Honestly, I would prefer a non integrated head 250, but the engine runs ok. Mine is a short bed step side with 3.73's in the back and a T5 trans. It's not bad...I really don't use it as a truck, except for the occaisionally helping a friend or family member move. I think I get 18 mpg on the hwy which is damn good for an old heavy chevy. With the old 3 spd, I think the best I ever got was 13mpg.
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01-31-2013, 02:31 AM
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#10 |
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Registered User
Join Date: Dec 2011
Location: Arlington WA
Posts: 1,728
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Re: 250 inline six
i bet its fun with the 3.73s and T5. most came with 2.73s or 3.08 which didnt help
__________________
GMC C15 355 SM465 3.73 80 C10 cruiser build thread 79 short stepside crew cab. big and ugly. build thread |
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01-31-2013, 09:30 PM
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#11 |
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Registered User
Join Date: Jan 2011
Location: North little Rock, Arkansas
Posts: 471
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Re: 250 inline six
sounds like a cool rig. lilpoindexter, and 79 silverado i`m just gonna 250 and if i want something bigger later i will, that way i dont have the added headache something not bolting up right. thanks for all the input guys. ive also heard the new casting of the integrated head are not so prone to cracking as the original gm casting. ( correct me if i`m wrong just what i have heard)
__________________
My build Lil` Red http://67-72chevytrucks.com/vboard/s...d.php?t=551373 1984 Chevy C10 short bed 2001 Chevy Impala police cruiser 2001 Chevy Silverado 1500 Z71 4wd extended cab dd
Last edited by rollin thunder; 01-31-2013 at 09:40 PM. |
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01-31-2013, 11:41 PM
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#12 |
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Registered User
Join Date: Aug 2009
Location: hillborough nc
Posts: 410
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Re: 250 inline six
check out my build thread man im building a hi performance 250 to go in my 79 http://67-72chevytrucks.com/vboard/s...d.php?t=418493
might give you some ideas for your truck, good luck bud
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77 chevy BIG 10 350/sm465/12bolt w 3.73 bout 240 horse power NO power steerin 79 chevy 1/2 ton 250/three on the tree/3.08s soon to get built 250/floor shift conversion/3.08s 81 mercedes 300d 25 MPG 77 chevy BIG DOOLEY 454/sm-465/14 bolt 4.10s "fully loaded" 73 plymouth duster 225 slant six/230 3 speed/8 1/4 trying to acheve 300 horse six http://www.cardomain.com/ride/3135091 '77 chevy trucks. built to stay tough. life is short build a hot rod 
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02-01-2013, 12:16 AM
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#13 | |
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Registered User
Join Date: Jan 2011
Location: North little Rock, Arkansas
Posts: 471
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Re: 250 inline six
Quote:
__________________
My build Lil` Red http://67-72chevytrucks.com/vboard/s...d.php?t=551373 1984 Chevy C10 short bed 2001 Chevy Impala police cruiser 2001 Chevy Silverado 1500 Z71 4wd extended cab dd
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02-06-2013, 10:55 PM
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#14 |
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Registered User
Join Date: Aug 2009
Location: hillborough nc
Posts: 410
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Re: 250 inline six
im glad it motivated you man if you have any questions jus pm me
__________________
77 chevy BIG 10 350/sm465/12bolt w 3.73 bout 240 horse power NO power steerin 79 chevy 1/2 ton 250/three on the tree/3.08s soon to get built 250/floor shift conversion/3.08s 81 mercedes 300d 25 MPG 77 chevy BIG DOOLEY 454/sm-465/14 bolt 4.10s "fully loaded" 73 plymouth duster 225 slant six/230 3 speed/8 1/4 trying to acheve 300 horse six http://www.cardomain.com/ride/3135091 '77 chevy trucks. built to stay tough. life is short build a hot rod
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02-06-2013, 11:38 PM
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#15 |
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Registered User
 
Join Date: Feb 2013
Location: Ada, OK
Posts: 117
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Re: 250 inline six
I had a 292 in one of my old trucks. I would have that motor over a small v8 any day of the week. They run smooth as silk, monster torque, and will haul ass. I miss that truck. My 4x4 had a 250 in it when I got it. It was hooked to a sm465 and 4.10's.
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