did the new owner of my old truck get somthing that i did not know about? - The 1947 - Present Chevrolet & GMC Truck Message Board Network

84 400 · 11-17-2006, 01:23 AM

well i was talking with a freind about my rear end in my old 85 and i think i made a big mistake when i sould it. I was considering swapping the rear ends but never did it figuring that an eaton would be better. however after viewing this picture he sent me i must have had a GM locker! mine had the I bar in it is this the posi or is it infact a locker?
thanks

http://static.howstuffworks.com/gif/...al-locking.jpg

Bad71chev406sbc · 11-17-2006, 03:20 AM

Don't you love those sorta deals?? Possibility.

72C203503ONTHETREE · 11-17-2006, 04:22 AM

Its a gov-lok locker stock in GM rears since the early 80's. Its crap compared to the Eaton or most aftermarket lockers/posis. They are not very strong especially with a lot of power, stick shifts, or big sticky tires. I have one in my 83 El Camino I got out of 86 Monte SS. Fortunately it hasnt broke but I do have one of those heavy duty aluminum rear end covers that has the screws that support the bearing caps.

84 400 · 11-17-2006, 12:05 PM

wow and i thought it was a posi. no wonder my 305 would never spin the rears
in the snow that thing was fun .

72C203503ONTHETREE · 11-19-2006, 03:01 AM

I'd be surprised if a 305 would spin tires any any circumstances, lol. Definately be hard to do with trying to spin two tires though. My 73 with the stock 350 can spin the one tire pretty easy and thats with a worn out points distributor and a Qjet that only works on the primaries.

Hoods69BadBowTie · 11-19-2006, 03:24 AM

I got a 305 in my Blazer and it will spin the smaller winter snow tires I have for it. They are not all that great compared to the eatons though.

72C203503ONTHETREE · 11-20-2006, 05:03 AM

Have you done anything to the 305 to get more power? I had a 78 Cutlass with a good running stock 305 and it would hardly do a brakestand and it had a Q-jet. Havent seen too many Monte SS's spin their tires much either.

11-17-2006, 01:23 AM	#1
84 400 Sb 400 club Join Date: Nov 2005 Location: NH / MA Posts: 2,746	did the new owner of my old truck get somthing that i did not know about? well i was talking with a freind about my rear end in my old 85 and i think i made a big mistake when i sould it. I was considering swapping the rear ends but never did it figuring that an eaton would be better. however after viewing this picture he sent me i must have had a GM locker! mine had the I bar in it is this the posi or is it infact a locker? thanks http://static.howstuffworks.com/gif/...al-locking.jpg __________________ 1984 chevy c10, built 400sb,.(SOLD) 77 K10 Project / daily driver "The Grinch" http://67-72chevytrucks.com/vboard/s...d.php?t=318363 1956 Willys Wagon (327 chevy) Project (Now Buick 225) 1980 Corvette L-48 4 speed 1992 Mustang GT built 5.0 5 speed 1985 C10 LWB Sold 1982 K10 SWB plow truck Parted out 1986 D30 M1028 fire brush truck Parted out

11-17-2006, 03:20 AM	#2
Bad71chev406sbc Registered User Join Date: Nov 2006 Location: Boring, Oregon Posts: 162	Re: did the new owner of my old truck get somthing that i did not know about? Don't you love those sorta deals?? Possibility. __________________ '71 SNB, 406sbc, TH350 w/ Transpak & Starshifter, 12bolt w/ 3.73s, 2" Early Classic front coils, 2.5" Flowmaster Super 40's

11-17-2006, 04:22 AM	#3
72C203503ONTHETREE Registered User Join Date: Apr 2004 Location: Grant, Alabama Posts: 504	Re: did the new owner of my old truck get somthing that i did not know about? Its a gov-lok locker stock in GM rears since the early 80's. Its crap compared to the Eaton or most aftermarket lockers/posis. They are not very strong especially with a lot of power, stick shifts, or big sticky tires. I have one in my 83 El Camino I got out of 86 Monte SS. Fortunately it hasnt broke but I do have one of those heavy duty aluminum rear end covers that has the screws that support the bearing caps. __________________ 72 Chevy C20, SOLD (Dang it.) 09 Challanger RT six speed in all black. 74 Datsun 710 wagon, all 1.8 liters of screaming Datsun power. 73 C10 long bed, 350/350 combo, nice shape.

11-17-2006, 12:05 PM	#4
84 400 Sb 400 club Join Date: Nov 2005 Location: NH / MA Posts: 2,746	Re: did the new owner of my old truck get somthing that i did not know about? wow and i thought it was a posi. no wonder my 305 would never spin the rears in the snow that thing was fun . __________________ 1984 chevy c10, built 400sb,.(SOLD) 77 K10 Project / daily driver "The Grinch" http://67-72chevytrucks.com/vboard/s...d.php?t=318363 1956 Willys Wagon (327 chevy) Project (Now Buick 225) 1980 Corvette L-48 4 speed 1992 Mustang GT built 5.0 5 speed 1985 C10 LWB Sold 1982 K10 SWB plow truck Parted out 1986 D30 M1028 fire brush truck Parted out

11-19-2006, 03:01 AM	#5
72C203503ONTHETREE Registered User Join Date: Apr 2004 Location: Grant, Alabama Posts: 504	Re: did the new owner of my old truck get somthing that i did not know about? I'd be surprised if a 305 would spin tires any any circumstances, lol. Definately be hard to do with trying to spin two tires though. My 73 with the stock 350 can spin the one tire pretty easy and thats with a worn out points distributor and a Qjet that only works on the primaries. __________________ 72 Chevy C20, SOLD (Dang it.) 09 Challanger RT six speed in all black. 74 Datsun 710 wagon, all 1.8 liters of screaming Datsun power. 73 C10 long bed, 350/350 combo, nice shape.

11-19-2006, 03:24 AM	#6
Hoods69BadBowTie Chevys Kick A$$ Join Date: Jan 2005 Location: Zootown, MT Posts: 12,699	Re: did the new owner of my old truck get somthing that i did not know about? I got a 305 in my Blazer and it will spin the smaller winter snow tires I have for it. They are not all that great compared to the eatons though. __________________ HOODS is what I answer too -'79, '77, '88 Pickup Sold, '85 Camaro, '83 T/A, '81,'83,'90 K5 Blazer All Sold -'79 3/4 ton "Big Yellow Bananna" Lifted 4spd. 39.5 TSL Swampers, The money Pit -'86 K5 Blazer Silverado 6.2 4" lift 35"s -'95 Ext. Cab Shorty 4" Tuff Country rolling 35" M/T's -'83 Monte Carlo T-Tops. 126,500 Original Miles -LATER I would rather push a Chevy then drive a ford!!

11-20-2006, 05:03 AM	#7
72C203503ONTHETREE Registered User Join Date: Apr 2004 Location: Grant, Alabama Posts: 504	Re: did the new owner of my old truck get somthing that i did not know about? Have you done anything to the 305 to get more power? I had a 78 Cutlass with a good running stock 305 and it would hardly do a brakestand and it had a Q-jet. Havent seen too many Monte SS's spin their tires much either. __________________ 72 Chevy C20, SOLD (Dang it.) 09 Challanger RT six speed in all black. 74 Datsun 710 wagon, all 1.8 liters of screaming Datsun power. 73 C10 long bed, 350/350 combo, nice shape.

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