The 1960 - 1966 Chevrolet & GMC Pickups Factory Correct Restoration Thread

[oem4me]

Originally Posted by sirJim

Fun thing we found on the 62 burb, Wiring number.

Cool! That label is rarely intact. It's a paper sticker meant for assembly ID, and not very resistant to engine washing or other abuse. Two of my trucks had that label in fine shape, but I failed to wrap one of them in clear tape before an engine wash, and it took a toll on the poor label. Doh!

[Rich 5150 69]

A thread from another forum I am working on...this may or may not apply to our trucks but curiosity has gotten me to thinking about the applied torque values, for all those that have restored or original driveshafts one piece but we`ll extend it to two piece driveshafts if you guys would chime in on those that have a drive shaft that has the yokes offset by 20% here is the thread it applies to only the small block camaros, all the big blocks were in line... Current thread..

I have seen two examples where the yokes on each end of the center tube section of driveshafts from Norwood built 1969 Camaros were not "in line" with each other, but offset - one with respect to the other - by approximately 20 degrees.

One of these driveshafts was originally in my 69 RS coupe which I have owned since Nov 1991 (VIN# 124379N581767, 01C build date). The other driveshaft was from a 69 Camaro base coupe, 327, built around the 3rd week of November 68 (VIN# 124379N551248, engine code V1122FJ). Both cars are base V8's, my RS has a Powerglide, the other car had a 3 speed manual. The other car was being parted out back in March 1994, so I collected several items, including the 327 motor and the driveshaft - which I still have.

All other driveshafts that I can remember (other than these two) have the yokes "in line" (0 degree offset) from end to end.
The reason(s) that the "as built" offset doesn't seem right to me, in that fundamentally, a driveshaft is designed to cancel out the inherent variations in rotational (angular) velocity from one end of the driveshaft to the opposite end and change those variations in angular velocity to essentially constant velocity. How well the driveshaft does its job is a funciton of several items.

One key element is to ensure that the included angle between the transmission and the center tube is the same as the included angle between the center tube and the differential. If these angles are not the same (+/- tolerance), the resulting non uniform angular velocity between the driver and driven ends of the driveshaft can result in potentially very high inertial forces, resulting in vibration, and eventual damage.

In addition to maintaining the proper angular relationships, the other key element is to ensure that the yokes on each end of the center tube section are in line (0 degree offset) with respect to each other so that the center tube can articulate by the same angular amount, but in opposite directions, from one end to the other.

So here is the crux of my question. The two driveshafts that I referenced above clearly do not have the yokes in line with each other with 0 degree offset. They are offset by approximately 20 degrees. Consequently, it seems to me that it would be impossible to maintain the proper angular relationship between the transmission and differential during operation because the center tube cannot articulate properly.

Did Chevrolet actually design the driveshafts this way for 1st Gen Camaros? If so, why - no other car that I know of ever had offset driveshaft yokes. If Chevrolet did design the driveshaft this way, what was their logic? What was different in 1st Gen Camaros that would require the offset?

[Short 3/4]

Originally Posted by shiftinggears

1966 factory exhaust system question.

I have a stock 1966 short bed with an inline 6 250 and 3 speed manual trans. It came with the exhaust manifold but no exhaust system. There is also no flange, gasket, hangers or brackets. I have found and purchased a new system (front pipe, muffler and tail pipe). It however didn't include the rest of the parts or any installation instructions. Does anybody have any diagrams, photographs, etc. that would help me figure out what parts I still need and how the whole system should be installed? Thanks.
Posted via Mobile Device

I know this is an old post, but the 60-66 factory assembly manual has good exhaust info. You can get it from most of the usual vendors for our trucks

[sirJim]

Seat tag found 2 of them on the front seat springs.
Anyone know the code for the last set of nr´s? 377 3039?

[corvettejim1968]

can we talk about the correct rim color for 1965 c10. i see them white i see them black and i see them body color.

[60-66]

Hi Jim , for Chevrolet there never was a white rim on a 10-20 or 30 series, white rims are GMC only. On a solid white or off white truck the rim was black whether it was a custom or not. Also should mention here that white custom trim trucks only had white between the custom side door and bed trim , you see lots of black and red painted inserts on them but this is NOT factory. Two tone trucks got the main body color painted rims. While one color or solid color trucks received black rims on Chevys.

GMC was completely different. For 1960-1961 There were three colors for the rims ,Crystal Green, Strata Blue and Olympic white , this all had to do with the main body color as to which wheel color you got.For 1962-1966 Im 90% sure GMC rims were white but for some reason I have seen a couple with black rims that I cannot verify. Still need a 1962 and 1966 GMC Data book to confirm some of the GMC facts.

[corvettejim1968]

Very informative really appreciate the info

[Submariner616]

Hello, I am doing a stock restoration of a '60 C10 and I don't know what to do with this steering column joint. There is a lot of old grease in there, there is no grease fitting, the boot is caved in, please see pictures. Any ideas?

[likaroc13]

Originally Posted by 60-66

Hi Jim , for Chevrolet there never was a white rim on a 10-20 or 30 series, white rims are GMC only. On a solid white or off white truck the rim was black whether it was a custom or not. Also should mention here that white custom trim trucks only had white between the custom side door and bed trim , you see lots of black and red painted inserts on them but this is NOT factory. Two tone trucks got the main body color painted rims. While one color or solid color trucks received black rims on Chevys.

GMC was completely different. For 1960-1961 There were three colors for the rims ,Crystal Green, Strata Blue and Olympic white , this all had to do with the main body color as to which wheel color you got.For 1962-1966 Im 90% sure GMC rims were white but for some reason I have seen a couple with black rims that I cannot verify. Still need a 1962 and 1966 GMC Data book to confirm some of the GMC facts.

And wasn't the sheen for black wheels satin?

[Johns 66]

Originally Posted by 60-66

On a solid white or off white truck the rim was black whether it was a custom or not. Also should mention here that white custom trim trucks only had white between the custom side door and bed trim , you see lots of black and red painted inserts on them but this is NOT factory.

Jon

Do you think this could have been a dealer add on, kinda like the rear bumpers. Reason I ask is I had a older local gentleman tell me he "Thought" that dealerships would paint the red/black strip between the trim to break up the white.

I know its hard to what if things because you could literally what if everything

[60-66]

Originally Posted by Johns 66

Jon

Do you think this could have been a dealer add on, kinda like the rear bumpers. Reason I ask is I had a older local gentleman tell me he "Thought" that dealerships would paint the red/black strip between the trim to break up the white.

I know its hard to what if things because you could literally what if everything

I suppose anything is possible , Chevrolet never did this but I suppose the new owner could request it. Ive collected a LOT of dealer pictures with these trucks in the showroom or on the lot. Not one picture is like that , But , its impossible to say if one or two possibly may have done this without some documentation.

[jbgroby]

OEM UNUSED/UNMOUNTED tailgate for GMC. A friend send me these pictures of a NEVER used or Mounted tail gate. Note the GRAY chain covers, this is how the gate came from the factory. The owner removed the gate to mount a camper and put the gate on the wall of the garage.

I've seen clear chain covers and Black chain covers, but never saw grey, one more thing to put on the list, I wonder IF Chevy did the same?.

[oem4me]

Wow, super nice! Is it for sale?
Yes, orig chain covers are ribbed gray for Chevy.

[jbgroby]

[QUOTE=oem4me;8094518]Wow, super nice! Is it for sale?

Yes, Pm and I'll pass along the name/number

[60-66]

Originally Posted by Submariner616

Hello, I am doing a stock restoration of a '60 C10 and I don't know what to do with this steering column joint. There is a lot of old grease in there, there is no grease fitting, the boot is caved in, please see pictures. Any ideas?

You need to find the seal kit, Not sure they are reproduced , try ebay.

Originally Posted by likaroc13

And wasn't the sheen for black wheels satin?

Yes , thats correct

Originally Posted by jbgroby

OEM UNUSED/UNMOUNTED tailgate for GMC. A friend send me these pictures of a NEVER used or Mounted tail gate. Note the GRAY chain covers, this is how the gate came from the factory. The owner removed the gate to mount a camper and put the gate on the wall of the garage.

I've seen clear chain covers and Black chain covers, but never saw grey, one more thing to put on the list, I wonder IF Chevy did the same?.

The gray ribbed covers is all they ever used from the factory on a 60-66 Chevy AND GMC Fleetside, Clear is aftermarket and black , if not ribbed, is also aftermarket. Black ribbed is for Stepside

[likaroc13]

Originally Posted by jbgroby

OEM UNUSED/UNMOUNTED tailgate for GMC. A friend send me these pictures of a NEVER used or Mounted tail gate. Note the GRAY chain covers, this is how the gate came from the factory. The owner removed the gate to mount a camper and put the gate on the wall of the garage.

I've seen clear chain covers and Black chain covers, but never saw grey, one more thing to put on the list, I wonder IF Chevy did the same?.

Too cool! Thanks for sharing.

Originally Posted by oem4me

Wow, super nice! Is it for sale?
Yes, orig chain covers are ribbed gray for Chevy.

Originally Posted by 60-66

The gray ribbed covers is all they ever used from the factory on a 60-66 Chevy AND GMC Fleetside, Clear is aftermarket and black , if not ribbed, is also aftermarket. Black ribbed is for Stepside

Great info on the chain covers! Did not know that. Oh, & thanks for clarification on the sheen for black wheels.

[VictoriaHardware]

1-2 months is more typical, but that's not too early.

[yelmer]

i also have a June built custom camper 327 cast date is June 13 truck was built June 20th The block stamp is June 15th

[f66]

Thanks for the replies. Yelmer, your sequence is very helpful. Consistent with other vehicles I have researched. Shows how tight all of the assembly dates are.

[f66]

Yelmer, my truck was built 14 June 1966.

[yelmer]

Fremont truck? vin 177???

[jbgroby]

I was sandblasting 2 OEM hood hinge assemblies and noticed a factory name stamp. "Hancock" embossed over a large 'H'. Are these factory OEM? If so we found another piece of the puzzle......

[Llay R. Rac]

Last week I replaced my original hood hinges with NOS hinges, both the originals and NOS had the Hancock emblem.

[jbgroby]

Originally Posted by Llay R. Rac

Last week I replaced my original hood hinges with NOS hinges, both the originals and NOS had the Hancock emblem.

Perfect!

[f66]

Here is the tag from my 1966 C20. How is this de-coded?

Thanks Frank