Date stamped on frame? & What rear end is this? - The 1947 - Present Chevrolet & GMC Truck Message Board Network

DrtyJack75 · 10-16-2010, 02:14 PM

So my truck is stripped down now and yesterday while priming it, I see

3887701-200
9-12-79

Is that the year the frame was built?

Because if it is, I'm now learning my 67 is not sitting on a 67 frame.

I was also cleaning up the rear end and was wondering if you can tell me what gears are in here (or were when built)

This is on the axle tube
HA 09 27 W

G86 (hard to read) is on the rear end housing

Does that help?

DrtyJack75 · 10-17-2010, 05:40 PM

No one??

Is it a dumb question? LOL

**john** · 10-17-2010, 05:48 PM

HA shows for several years with 1969 the latest. 3.73:1 ratio It is listed for a 1967 C-10

DrtyJack75 · 10-17-2010, 06:02 PM

awesome...thanks

now how bout the year on the frame??

Help please, Im curious if this is a newer frame

Shaky · 10-17-2010, 06:25 PM

I'm not sure the "79" means "1979". My '67 C20 frame has a "69" in that same location and I'm pretty sure it's the original frame. I don't know for sure though...

DrtyJack75 · 10-17-2010, 07:00 PM

hmm it's just weird.

were the 67's power steering?

mine has power steering which dont mean it wasnt added, but it does have little raised nipples where the power steering box is mounted.

**dutchmanz** · 10-18-2010, 07:52 PM

Id love to know if there is a way to decode this info too. My 68 has a 72 in that location. Searching hasnt turned up anything.

raycow · 10-19-2010, 05:56 PM

Do you have disc brakes? Do you have leaf or coil springs?. No stock 79 would have front drums or rear coils. None of this is bulletproof because a stock 67 could have leaf springs, and disc brakes are a common upgrade.

Ray

DrtyJack75 · 10-19-2010, 08:00 PM

drums and coils when I bought it..

so I dont know....I guess it dont matter, just curious!

now Disk and Bags...

raycow · 10-19-2010, 08:24 PM

My bad. I meant no stock 79 would have front drums, so I'm guessing you have an original frame. Sorry about the mistake. I will fix that right now.

Ray

10-16-2010, 02:14 PM	#1
DrtyJack75 Registered User Join Date: Feb 2008 Location: West Sacramento, CA Posts: 417	Date stamped on frame? & What rear end is this? So my truck is stripped down now and yesterday while priming it, I see 3887701-200 9-12-79 Is that the year the frame was built? Because if it is, I'm now learning my 67 is not sitting on a 67 frame. I was also cleaning up the rear end and was wondering if you can tell me what gears are in here (or were when built) This is on the axle tube HA 09 27 W G86 (hard to read) is on the rear end housing Does that help? Last edited by DrtyJack75; 10-16-2010 at 02:14 PM.

10-17-2010, 05:40 PM	#2
DrtyJack75 Registered User Join Date: Feb 2008 Location: West Sacramento, CA Posts: 417	Re: Date stamped on frame? & What rear end is this? No one?? Is it a dumb question? LOL

10-17-2010, 05:48 PM	#3
john member #16 Join Date: Dec 1999 Location: Yuba City Ca. Posts: 3,618	Re: Date stamped on frame? & What rear end is this? HA shows for several years with 1969 the latest. 3.73:1 ratio It is listed for a 1967 C-10 __________________ john http://67-72chevytrucks.com/vboard/showgroups.php board vendors http://www.flickr.com/photos/1745471...7602865984234/ Last edited by john; 10-17-2010 at 05:52 PM.

10-17-2010, 06:02 PM	#4
DrtyJack75 Registered User Join Date: Feb 2008 Location: West Sacramento, CA Posts: 417	Re: Date stamped on frame? & What rear end is this? awesome...thanks now how bout the year on the frame?? Help please, Im curious if this is a newer frame

10-17-2010, 06:25 PM	#5
Shaky Six in a row makes it go... Join Date: Mar 2009 Location: Vacationland: Maine Posts: 1,346	Re: Date stamped on frame? & What rear end is this? I'm not sure the "79" means "1979". My '67 C20 frame has a "69" in that same location and I'm pretty sure it's the original frame. I don't know for sure though... __________________ 67 C20 long step resto: http://67-72chevytrucks.com/vboard/s...d.php?t=342086 66 C10 long step build: http://67-72chevytrucks.com/vboard/s...=1#post3814790 CT to Alaska in a 67 C10: http://67-72chevytrucks.com/vboard/s...d.php?t=399224 “The height of sophistication is simplicity." - Clare Boothe Luce

10-17-2010, 07:00 PM	#6
DrtyJack75 Registered User Join Date: Feb 2008 Location: West Sacramento, CA Posts: 417	Re: Date stamped on frame? & What rear end is this? hmm it's just weird. were the 67's power steering? mine has power steering which dont mean it wasnt added, but it does have little raised nipples where the power steering box is mounted.

10-18-2010, 07:52 PM	#7
dutchmanz Knuckle Buster, Instructor Join Date: May 2010 Location: Pantego, NC Posts: 562	Re: Date stamped on frame? & What rear end is this? Id love to know if there is a way to decode this info too. My 68 has a 72 in that location. Searching hasnt turned up anything.

10-19-2010, 05:56 PM	#8
raycow Registered User Join Date: Mar 2003 Location: San Francisco, CA USA Posts: 2,454	Re: Date stamped on frame? & What rear end is this? Do you have disc brakes? Do you have leaf or coil springs?. No stock 79 would have front drums or rear coils. None of this is bulletproof because a stock 67 could have leaf springs, and disc brakes are a common upgrade. Ray Last edited by raycow; 10-19-2010 at 08:26 PM.

10-19-2010, 08:00 PM	#9
DrtyJack75 Registered User Join Date: Feb 2008 Location: West Sacramento, CA Posts: 417	Re: Date stamped on frame? & What rear end is this? drums and coils when I bought it.. so I dont know....I guess it dont matter, just curious! now Disk and Bags...

10-19-2010, 08:24 PM	#10
raycow Registered User Join Date: Mar 2003 Location: San Francisco, CA USA Posts: 2,454	Re: Date stamped on frame? & What rear end is this? My bad. I meant no stock 79 would have front drums, so I'm guessing you have an original frame. Sorry about the mistake. I will fix that right now. Ray

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