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01-26-2010, 09:01 PM
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#1 |
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Registered User
 
Join Date: Dec 2008
Location: coalgate, oklahoma
Posts: 65
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olds 455 from previous project
ok..i have a olds 455 i was rebuilding for my previous project an 82 cutlass supreme with was totaled cause a lady driving a yukon ran a stop sign and t-boned me...the motor is pretty much finished just need to pick an intake and a different carb....ok so heres my question..what would you guys think about putting it in my truck?...would you guys consider it an abomination or a good idea?
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01-26-2010, 09:14 PM
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#2 |
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Robert Olson Transport
 
Join Date: Oct 2002
Location: recent transplant to NC USA
Posts: 20,345
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Re: olds 455 from previous project
olds made a good motor. You will need the olds trans too because if memory serves correct the bell housing is slightly different in the position of the top two bolts. It would mate right up if your truck is a GMC
Its a swap that id do if i had the start to it like you do
__________________
Bob 1951 International running on a squarebody chassis "If a man's worth is judged by the people he associates himself with, then i am the richest man in the world knowing some of the fine people of this board" http://67-72chevytrucks.com/vboard/a...t.php?f=25&a=9 (you can review the site rules here!) PM Me for your vehicle/parts hauling needs in the North East US or see my Facebook page Robert Olson Transport Live each day to the fullest.. you never know when fate is going to pull the rug out from under you... I hate cancer!! |
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01-26-2010, 09:29 PM
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#3 |
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Registered User
Join Date: Dec 2008
Location: coalgate, oklahoma
Posts: 65
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Re: olds 455 from previous project
Oh yeah sorry forgot to mention that i still have the t350 from that project also.
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01-26-2010, 09:49 PM
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#4 |
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Registered User
Join Date: Jan 2010
Location: Kitchener, Ontario, Canada
Posts: 94
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Re: olds 455 from previous project
do it. Those motors are torque pigs. Different motor mounts but easy to fab. I would do it if I were you.
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01-26-2010, 09:50 PM
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#5 |
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Registered User
Join Date: Feb 2007
Location: Austin, TX
Posts: 3,930
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Re: olds 455 from previous project
Aren't the motor mounts for short and tall deck Oldsmobile the same ? If so, get motor mounts from a truck that had the 350 Olds diesel. I've seen a 350 diesel truck with a 403 swapped in.
Should be a cool swap, GMC used the 455 and 403 in their motorhomes.
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1977 GMC Sierra Grande |
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01-26-2010, 09:54 PM
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#6 |
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Registered User
Join Date: Jan 2010
Location: Kitchener, Ontario, Canada
Posts: 94
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Re: olds 455 from previous project
I think they are the same. I forgot all about those 350 diesels. Ive never seen one.
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01-26-2010, 09:56 PM
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#7 |
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The One And Only !!!
Join Date: Jan 2007
Location: Hole in the woods Florida
Posts: 4,567
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Re: olds 455 from previous project
Friend of mine had a Riviera with a 455, Even in that boat it would glue ya to the seat..... I'd GO fer-it !!!
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93 Jeep XJ 88 Buick La Sabra Toys; 88 TA-GTA in the works.... 97 GMC Ext. Cab 502 Crate 5 Spd......Sucks Gas But Haulz Azz !  The primary function of an Engineer is to make it difficult for the Fabricator and impossible for the Mechanic. "Why go out preserved when you can go out beat up, worn out, sliding in sideways screaming, Holy Sh!t What A Ride" !!!
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01-26-2010, 10:08 PM
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#8 |
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Registered User
Join Date: Jan 2009
Location: Cleveland,Ohio
Posts: 262
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Re: olds 455 from previous project
There was a 2wd SWB running around here with a Olds 455. I haven't see it in a few years. I would do it in a heartbeat if I had a good motor sitting there.
For those who are wondering....Olds used a BOP (Buick,Pontiac,Olds) bolt pattern on the trans. They make adapters BOP to Chevy and vise verse.
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06' GMC 1500 Crew cab..... Last edited by Gemp; 01-26-2010 at 10:10 PM. |
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01-26-2010, 10:52 PM
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#9 |
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Registered User
Join Date: Dec 2008
Location: coalgate, oklahoma
Posts: 65
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Re: olds 455 from previous project
So would g-body headers clear?
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01-26-2010, 11:29 PM
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#10 |
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In the Forgotten far North.
Join Date: Jul 2007
Location: Anchorage, Alaska
Posts: 2,627
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Re: olds 455 from previous project
I had an olds 455/TH400 combo under the hood of my old 74 c10 and let me tell you that sucker was a torque MONSTER!!! Had 3:07 gears in the rear end and at 70 mph on the highway I could pump to full throttle and back and get the front end to start bobbing up and down hard enough once that I actually scraped the cross member on the highway! LOL After that I decided that was NOT a good idea.
If'n ya want any pointers let me know and I'll help ya out as best I can from here.
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1987 R3500 CREW CAB DUALLY (BIG RED)Acquired 06/12/2015 1990 chevy suburban V2500 5.7L My cluster Mods-Nov 2007 overhead console Stereo install Round 2 Aug 2009 Heated/turn signal mirror upgrade Last edited by BLE 'BURBAN; 01-26-2010 at 11:31 PM. |
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01-26-2010, 11:34 PM
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#11 |
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In the Forgotten far North.
Join Date: Jul 2007
Location: Anchorage, Alaska
Posts: 2,627
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Re: olds 455 from previous project
Oh Forgot to mention that I still have the cross member with the mounts still on it out back under the porch. I'll get a few pics this weekend when I'm off and it's still daylight up here of it for ya.
Still got the rear axle too.
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1987 R3500 CREW CAB DUALLY (BIG RED)Acquired 06/12/2015 1990 chevy suburban V2500 5.7L My cluster Mods-Nov 2007 overhead console Stereo install Round 2 Aug 2009 Heated/turn signal mirror upgrade |
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01-26-2010, 11:37 PM
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#12 | |
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In the Forgotten far North.
Join Date: Jul 2007
Location: Anchorage, Alaska
Posts: 2,627
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Re: olds 455 from previous project
Quote:
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1987 R3500 CREW CAB DUALLY (BIG RED)Acquired 06/12/2015 1990 chevy suburban V2500 5.7L My cluster Mods-Nov 2007 overhead console Stereo install Round 2 Aug 2009 Heated/turn signal mirror upgrade |
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01-26-2010, 11:45 PM
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#13 |
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Registered User
Join Date: Jan 2009
Location: Cleveland,Ohio
Posts: 262
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Re: olds 455 from previous project
I bet there a good chance of them working. G-bodys are pretty tight in the frame rail area, Trucks "Should" have a mile of clearance.
But if you have a welder every thing fits.......
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06' GMC 1500 Crew cab..... |
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01-27-2010, 01:09 AM
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#14 |
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Registered User
Join Date: Nov 2009
Location: goodland,ks
Posts: 217
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Re: olds 455 from previous project
[/QUOTE]But if you have a welder every thing fits.......
[/QUOTE]and a grinder
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mitch 87 chevy short box 4wd tbi 350/built 700r4/np208 3.73s |
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01-27-2010, 08:14 AM
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#15 |
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Right turn Clyde
Join Date: Nov 2002
Location: Cincinnati, Ohio
Posts: 2,911
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Re: olds 455 from previous project
G-body's never had big blocks from the factory. Though it is a popular swap
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1974 C25 LWB: 454 4bbl Carb / TH400 / 3.73 1992 Camaro RS 305 TBI |
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01-27-2010, 08:23 AM
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#16 |
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dang its hot
Join Date: Nov 2006
Location: frankfort kentucky
Posts: 1,349
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Re: olds 455 from previous project
heck man, if a 455 olds setup was available...I'd sure use it
Last edited by grinch4om; 01-27-2010 at 08:23 AM. |
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01-27-2010, 11:17 AM
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#17 |
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Kid's Mechanic
Join Date: Nov 2006
Location: Kansas City
Posts: 8,241
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Re: olds 455 from previous project
If you have the tranny,The rest is bolt in.Company I work for had 9 diesel pickups .All of them had olds gassers in them after a while.Should be able to buy the diesel mounts off the shelf and be in good shape
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01-27-2010, 11:25 AM
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#18 |
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Insert Witty Text Here
Join Date: Oct 2002
Location: San Antonio, TX
Posts: 3,415
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Re: olds 455 from previous project
I would do that swap in a heartbeat if I already had the engine and transmission. There are lots of old diesels around with Oldsmobile engines in them around here. I see at least one every time I go junkyarding. They are the ones with the giant weird looking engine and the hydroboost master cylinder.
 I used to know a guy with a 400 Pontiac in his C10. It was what he had when his SBC gave out... Slonaker |
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05-07-2011, 07:12 PM
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#19 |
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Registered User
Join Date: Apr 2011
Location: chillicothe, ohio
Posts: 11
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Re: olds 455 from previous project
Put a olds 455 in my 2 wheel drive 10 years ago with a 700 trans. Mated trans to engine with an adapter plate. Too much torque for the torque convertor i drive slower now. Converting to 4 wheel drive now with std shift.
Last edited by rogerapage; 05-07-2011 at 07:15 PM. |
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05-07-2011, 10:09 PM
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#20 |
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Registered User
Join Date: Jul 2003
Location: Franklin, NE
Posts: 387
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Re: olds 455 from previous project
The olds diesel pickups came with THM400, I have a 79 diesel parts truck that had been covnerted to a 403, but it was shot. Between my uncle and I, we have 2 spare Olds pattern THM400, and he has two 79's diesels, one coverted, one still runing the diesel.
Somewhere in my piles of junk in the back of the trucks, I have the motor mounts. |
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05-08-2011, 12:21 PM
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#21 |
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Registered User
Join Date: May 2008
Location: Salt Lake City
Posts: 365
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Re: olds 455 from previous project
Awesome!!! and what is cool about those, is they weigh about the same as an SBC, and put out 500+ ft-lbs
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05-08-2011, 07:21 PM
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#22 |
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Registered User
Join Date: Sep 2010
Location: los angeles
Posts: 1,136
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Re: olds 455 from previous project
Sounds like a GREAT idea...but pics would be nice.
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05-08-2011, 07:44 PM
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#23 |
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Registered User
Join Date: Jul 2010
Location: memphis
Posts: 2,537
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Re: olds 455 from previous project
We had a 403/400 combo in a 70 lwb...that thing would fly..
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1981 C-10 (Pop's) 1978 Camaro 2006 Lacrosse |
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