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97109 Posts in 11684 Topics by 4578 Members
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3781  Camaro Research Group Discussion / Decoding/Numbers / Re: 67 SS350 Waterpump and Distrib on: February 18, 2006, 02:24:18 PM
The 326 water pump was only used on applications that had an aluminum intake with a bypass fitting at the front; if it has the upper boss with a plug in the hole, it's a service replacement.
3782  Camaro Research Group Discussion / Decoding/Numbers / Re: 69 LOS Z28 on: February 16, 2006, 01:40:18 PM
I don't recall the precise masking/spraying differences, but the front sheet metal at Van Nuys was hung on a separate carrier immediately ahead of the body; the Paint Shop there was combined (the old Chevy Paint Shop was abandoned when GMAD assumed control of the plant). Norwood was the traditional Fisher/Chevrolet arrangement where Fisher painted the body in their Paint Shop, and Chevrolet painted the front sheet metal in their own separate Paint Shop.
3783  Camaro Research Group Discussion / General Discussion / Re: Factory firewall marks on: February 16, 2006, 01:35:58 PM
The links don't work - Photobucket says the images aren't there any more.  Huh
3784  Camaro Research Group Discussion / Decoding/Numbers / Re: 69 LOS Z28 on: February 15, 2006, 03:07:02 PM
The note in the Assembly Manual actually refers to the stripe paint on the cowl vent grille itself, not to the cowl structure area below it; the cowl vent grille was a Fisher Body part, and they painted the Z stripes on it. The difference in underhood appearance (visible stripe color on the cowl out to the firewall) results from Van Nuys using a different masking and spraying process for the stripes than Norwood used.
3785  Camaro Research Group Discussion / Decoding/Numbers / Re: 1969 Z11 found need help on: February 13, 2006, 11:21:50 AM
L34 and L35 had two fuel lines, L78 had one.
3786  Camaro Research Group Discussion / Originality / Re: ZL1 Cowl Induction Hood on: February 12, 2006, 02:10:13 PM
The hood on the car in the article was an Engineering prototype/pre-production part, made from temporary tooling; an October '68 cover date meant the car was probably driven in June or July '68, before '69 production started.
3787  Camaro Research Group Discussion / Decoding/Numbers / Re: 1967 engine block casting date L206 - Dec or Nov? on: February 12, 2006, 02:05:34 PM
'67-'68 production schedule was the same as '69; I wrote the CRG Research Report you mentioned. As I said earlier, that engine is OK for your car, assuming the pad stamp date also makes sense for it.
3788  Camaro Research Group Discussion / Decoding/Numbers / Re: Numbers on: February 12, 2006, 02:01:16 PM
The F0123D is also a 283. Those aren't casting numbers, they're pad stamps; the casting numbers are raised, cast-in numbers behind the driver's side cylinder head on the bellhousing flange area, and the casting date code is on the opposite side.
3789  Camaro Research Group Discussion / General Discussion / Re: 67 302 HEADS (2.02) on: February 12, 2006, 01:57:56 PM
They'd be the same for either application.
3790  Camaro Research Group Discussion / Decoding/Numbers / Re: 1967 engine block casting date L206 - Dec or Nov? on: February 11, 2006, 02:41:12 PM
"L" in a casting date is December; no reason that casting date wouldn't work for your car. Many Flint engines were machined/assembled within a day or two of the casting date, although a week or two is "typical". If you're taking the cowl tag date as the "build date", that's when the body shell was welded together at Fisher Body, not when the body finally got to Chevrolet and went through final assembly. If your cowl tag says 01A, the body could have been welded together as late as January 13th, and could have gotten its engine as late as January 18th or 19th.
3791  Camaro Research Group Discussion / General Discussion / Re: 67 302 HEADS (2.02) on: February 11, 2006, 02:30:15 PM
I've got a set of 291 2.02 1.60 heads with matching cast dates. I believe they are F27. is there any way to tell if they were originally 2.02 1.60?

Note the machined relief in the chamber wall adjacent to the outside of the intake valve in the photo below of a 186 head with factory 2.02's; the 291 will look the same way if it had 2.02's from the factory. If it has 2.02 valves and the unshrouding cut isn't present, they were 1.94's from the factory and the shop that installed the 2.02's didn't make the unshrouding cut.
3792  Camaro Research Group Discussion / Decoding/Numbers / Re: block casting and suffix code don't match on: February 10, 2006, 11:57:21 AM
OK here are all the numbers based on info from seller
3970010 casting number, V0105TDB front pad, L228 not sure what this is, H35 509 off back of block 010 776 off back of block
19718606, no clue

dab67

It's a 1979 truck 4-barrel 350/165hp, cast on December 22, 1978 and assembled on January 5th, 1979.
3793  Camaro Research Group Discussion / Originality / Re: 1968 Z28 cowl plenum air cleaner assembly...info...anything on: February 09, 2006, 03:33:06 PM
Yes, the front plenum wall had to be cut out; not my car - belongs to Al Maynard.
3794  Camaro Research Group Discussion / Originality / Re: Date codes on 67 wheels? on: February 09, 2006, 03:30:25 PM
'67 wheels were dated, but the dates are stamped on the interior of the rim, under the tire; can't be seen with a tire mounted.
3795  Camaro Research Group Discussion / Originality / Re: 1968 Z28 cowl plenum air cleaner assembly...info...anything on: February 08, 2006, 11:06:15 AM
Here's a '67Z plenum setup.
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