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04-14-2010, 07:24 PM
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#1 (permalink) |
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Diesel Technician
Join Date: Mar 2009
Posts: 183
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4 speed manual overdrive?
I have a 1982 chevy 6.2l. When I got the truck it had the original transmission in the box because the 208 transfercase blew up. It now has a sm465 with a np205 transfercase. My concern is was the new process manual an OD manual. And how can I find out? I have the casting numbers. The original transmission casting number is 465452
5263 The top plate (cast iron) has Somthing like 0D 3901131 The one thats in the truck now with the 205 transfercase casting number is 465452 0348. I looked up my vins and it says the trucks got 373 gearing. How would that do without OD? How do I know if my 4 speed has OD? |
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04-14-2010, 07:35 PM
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#2 (permalink) |
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Diesel Sr. Technical Member
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Are you asking if the New process manual trans was an OD trans? If so yes. NP833 I think it's the only New process tranny they put in full size trucks. Originally sold to Chrysler later sold to GM as well.
Without Overdrive 3.73 gears are doing around 2800RPM @ 60mph or so. Google RPM calculator and it will give you a few.
__________________
'87 GMC R2500 380,000km AM/FM Radio -rebar except for engine trans and misc suspension parts '90 GMC R3500 srw 3+3 250 000kms CD player No matter what Dieselplace may say, I am not a diesel technician, nor expert or specialist. Just a cheap guy with old truck that needs to run |
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04-14-2010, 07:36 PM
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#3 (permalink) | |||
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Resident Pinhead
 
Join Date: Mar 2009
Location: Grenfell, Saskatchewan
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Old School Oil Burners (Old SOBs) Member |
the onet aht has the pattern that goes L123 is the SM465 trans. the trans with 123OD is the NP833(with overdrive like i have
 )
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 1985 GMC (The Brown Streak) Sierra Classic 1500 4WD With 6.2L V8 Diesel and 4speed NP833 trans with hurst shifter! , 4911 6.5 ip with 6.5 shortie injectors GM-3 turbo. Single plane J code intake from Turbonator (thanks guys! ). 3" exhaust and 3" BBQ black stacks! Isspro Pyrometer, Trisco Boost and Engine Oil Temp Gauges. 1995 Dodge 2500 Cummins 12 valve NV4500 4x4 LB club cab autometer boost and pyro BrentBilt fuel plate full forward silencer ring MIA straight pipe AFC totally maxed out1977 GMC high sierra 6500 2WD with 366V8 and 5+2 speed trans 1968 Mercury (The Tank) M-100 2WD with 300 I-6 and 3 on the tree trans 1971 John Deere 4320 with a 404CID With A Factory Shwitzer 3LD turbocharger Crankin 116 horsepower with over 9700 origininal hours on the engine never rebuilt! 1978 John Deere 8630 with a reman 619 CID Diesel out of a 8650 With A Factory Aireasearch TV-6102 turbocharger Crankin 320 Horsepower and 1700 torque Quote:
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04-14-2010, 07:38 PM
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#4 (permalink) | |||
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Resident Pinhead
Join Date: Mar 2009
Location: Grenfell, Saskatchewan
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Old School Oil Burners (Old SOBs) Member |
NP435 or soemthing like that was used in fullsize fords wasnt it? or was that only in the broncoII's?
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1985 GMC (The Brown Streak) Sierra Classic 1500 4WD With 6.2L V8 Diesel and 4speed NP833 trans with hurst shifter! , 4911 6.5 ip with 6.5 shortie injectors GM-3 turbo. Single plane J code intake from Turbonator (thanks guys!). 3" exhaust and 3" BBQ black stacks! Isspro Pyrometer, Trisco Boost and Engine Oil Temp Gauges. 1995 Dodge 2500 Cummins 12 valve NV4500 4x4 LB club cab autometer boost and pyro BrentBilt fuel plate full forward silencer ring MIA straight pipe AFC totally maxed out1977 GMC high sierra 6500 2WD with 366V8 and 5+2 speed trans 1968 Mercury (The Tank) M-100 2WD with 300 I-6 and 3 on the tree trans 1971 John Deere 4320 with a 404CID With A Factory Shwitzer 3LD turbocharger Crankin 116 horsepower with over 9700 origininal hours on the engine never rebuilt! 1978 John Deere 8630 with a reman 619 CID Diesel out of a 8650 With A Factory Aireasearch TV-6102 turbocharger Crankin 320 Horsepower and 1700 torque Quote:
Quote:
Quote:
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04-14-2010, 07:38 PM
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#5 (permalink) |
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Diesel Sr. Technical Member
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That's right and if it has reverse beside 1st like a volkswagon it's definitly NP833.
It also comes with a mutha lovin' hurst shifter. Kinda hard to miss, super bad ass
__________________
'87 GMC R2500 380,000km AM/FM Radio -rebar except for engine trans and misc suspension parts '90 GMC R3500 srw 3+3 250 000kms CD player No matter what Dieselplace may say, I am not a diesel technician, nor expert or specialist. Just a cheap guy with old truck that needs to run Last edited by smackzed; 04-14-2010 at 07:42 PM. |
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04-14-2010, 07:40 PM
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#6 (permalink) |
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Diesel Sr. Technical Member
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Oh I don't know maybe. when i said "they" I meant GM. Why in the world would I want to talk about Ford
__________________
'87 GMC R2500 380,000km AM/FM Radio -rebar except for engine trans and misc suspension parts '90 GMC R3500 srw 3+3 250 000kms CD player No matter what Dieselplace may say, I am not a diesel technician, nor expert or specialist. Just a cheap guy with old truck that needs to run |
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04-14-2010, 07:41 PM
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#7 (permalink) | |||
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Resident Pinhead
Join Date: Mar 2009
Location: Grenfell, Saskatchewan
Posts: 6,335
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Old School Oil Burners (Old SOBs) Member |
the A833 was a chrysler transmission from the beginning. put behind 440's and 340s and all the big guns except the hemi. was a 4 speed without overdrive untill newprocess got it. then they changed 3rd gear to overdrive and flipped the shifter arm on the case to make stuff line up. thats why 2nd to 3rd is such a jump.
__________________
1985 GMC (The Brown Streak) Sierra Classic 1500 4WD With 6.2L V8 Diesel and 4speed NP833 trans with hurst shifter! , 4911 6.5 ip with 6.5 shortie injectors GM-3 turbo. Single plane J code intake from Turbonator (thanks guys!). 3" exhaust and 3" BBQ black stacks! Isspro Pyrometer, Trisco Boost and Engine Oil Temp Gauges. 1995 Dodge 2500 Cummins 12 valve NV4500 4x4 LB club cab autometer boost and pyro BrentBilt fuel plate full forward silencer ring MIA straight pipe AFC totally maxed out1977 GMC high sierra 6500 2WD with 366V8 and 5+2 speed trans 1968 Mercury (The Tank) M-100 2WD with 300 I-6 and 3 on the tree trans 1971 John Deere 4320 with a 404CID With A Factory Shwitzer 3LD turbocharger Crankin 116 horsepower with over 9700 origininal hours on the engine never rebuilt! 1978 John Deere 8630 with a reman 619 CID Diesel out of a 8650 With A Factory Aireasearch TV-6102 turbocharger Crankin 320 Horsepower and 1700 torque Quote:
Quote:
Quote:
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04-14-2010, 07:47 PM
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#8 (permalink) |
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Diesel Sr. Technical Member
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Really? well tha's neat. I always found the leap from 2nd to 3rd to be pretty good. If i was highway driving I wouldn't shift to 3rd until about 70kph and the truck was just howling. on rare occasions I'd skip 2nd alltogether if I could get the RPMs in 1st high enough (like redlined)
__________________
'87 GMC R2500 380,000km AM/FM Radio -rebar except for engine trans and misc suspension parts '90 GMC R3500 srw 3+3 250 000kms CD player No matter what Dieselplace may say, I am not a diesel technician, nor expert or specialist. Just a cheap guy with old truck that needs to run |
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04-14-2010, 08:56 PM
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#9 (permalink) |
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Diesel Technician
Join Date: Mar 2009
Posts: 183
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so even though it say on the casting number 465 452 its not a sm465? What part is different in the case? The bottom set of gears or the top set inside the case?
Last edited by fierce legend; 04-14-2010 at 08:58 PM. |
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04-14-2010, 09:08 PM
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#10 (permalink) |
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Diesel Sr. Technical Member
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Is the linkag on the side? I believe the sm465 ha the linkage on top and the NP833 has linkage on the side. Where's reverse? to the left of 1st is Np833
__________________
'87 GMC R2500 380,000km AM/FM Radio -rebar except for engine trans and misc suspension parts '90 GMC R3500 srw 3+3 250 000kms CD player No matter what Dieselplace may say, I am not a diesel technician, nor expert or specialist. Just a cheap guy with old truck that needs to run |
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