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97521 Posts in 11718 Topics by 4581 Members
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3811  Camaro Research Group Discussion / Originality / Re: What is the color of the door jamb strikers? on: February 03, 2006, 12:08:28 PM
'69 latches were also installed in the Body Shop - both the latches in the door and the strikers on the lock pillar are painted body color.
3812  Camaro Research Group Discussion / Mild Modifications / Re: Possible Axle swap on: February 02, 2006, 02:27:14 PM
3.90 and higher (numerical) ratios require a Series 4 carrier, 3.73 and lower take a Series 3 carrier.
3813  Camaro Research Group Discussion / Restoration / Re: Wiper motor arm location on: February 02, 2006, 02:24:27 PM
Just connect the linkage to the motor (wiper arms not installed), run the motor through one run/park cycle, then install the arms.
3814  Camaro Research Group Discussion / Originality / Re: X 77 ROCKER MOLDINGS on: February 02, 2006, 02:20:56 PM
Yes, they did - all models/options got the standard bright rocker molding.
3815  Camaro Research Group Discussion / Originality / Re: What is the color of the door jamb strikers? on: February 02, 2006, 02:16:16 PM
They were installed in the Body Shop (to fit the doors), and were later painted body color; looks messy, but that's the way it was done.
3816  Camaro Research Group Discussion / Originality / Re: 1969 Z brake booster fitting on: February 02, 2006, 02:13:48 PM
Yes - the correct one has only the one tubular port for the brake booster hose (Rick's INT-3); I use the one with the booster hose port and a vacuum hose port (Rick's INT-4), as it provides a handy connection for a vacuum gauge for setting idle mixture - I just keep a rubber cap on it (see photo).
3817  Camaro Research Group Discussion / Restoration / Re: Lug wrench color? on: February 01, 2006, 11:11:34 AM
My original is black, and still has one of the two wide rubber bands attaching it to the jack column.
3818  Camaro Research Group Discussion / Restoration / Re: Paint Formulation on: February 01, 2006, 11:10:19 AM
Nope - all GM plants used DuPont paint and chemicals (cleaners, phosphate, primers, sealers, and topcoats); the DuPont family was one of the largest individual GM stockholders, and had a "lock" on all of GM's paint business in those days.
3819  Camaro Research Group Discussion / Originality / Re: 69 deluxe door panel markings. on: February 01, 2006, 11:07:25 AM
Probably has nothing to do with X33, as that only denoted exterior trim items; more likely that it's an assembly sequence number.
3820  Camaro Research Group Discussion / Maintenance / Re: Rebuilt motor tuneup on: January 31, 2006, 10:48:17 AM
Doubt if the plugs have anything to do with it - I run AC R45S plugs in all my small-blocks for normal driving - 44's tend to foul somewhat in around-town driving, and 43's are WAY too cold for normal driving.
3821  Camaro Research Group Discussion / Maintenance / Re: Rebuilt motor tuneup on: January 30, 2006, 09:05:35 PM
If the two marks from your piston-stop exercise are both exactly the same distance from the "0" mark on the timing tab, your existing marks are OK. Advancing the cam 4* shouldn't have any significant effect on ignition timing - will just move the torque curve down a little.

I don't recall how the Unilite distributors manage centrifugal advance - haven't had one for many years. I run my '69Z with 8*-10* initial advance, 26* in the distributor, all in by 2800 (for total timing of 34*-36*), and a NAPA/Echlin #VC-1810 vacuum advance unit that adds 15*, and is fully deployed at 8" Hg. and connected to full manifold vacuum.
3822  Camaro Research Group Discussion / Maintenance / Re: What octane should I put in my '68 ?? on: January 30, 2006, 08:54:47 PM
If you see normal vacuum at idle with a gauge at the carb nipple, that's a manifold vacuum source; if you don't see vacuum there at idle but you do when you open the throttle, it's a "ported" vacuum source. If you can't find a manifold vacuum source on the carb, you can use the fitting on the intake behind the carb.

Q-Jets don't have a "venturi vacuum" system - that's only found on Holleys with vacuum secondaries. Venturi vacuum" is created by mass airflow past a pickup tube in the main venturi, and is unrelated to manifold vacuum.
3823  Camaro Research Group Discussion / General Discussion / Re: 2657 block on: January 30, 2006, 08:44:29 PM
Does anyone know for sure when the 3892657 block was produced?

Thanks

dab67

'64-'67; it was the last small-journal 327 block.
3824  Camaro Research Group Discussion / General Discussion / Re: 1968 Z-28 on: January 30, 2006, 08:40:25 PM
O.K. I finally got to check the block that is rumored to be from this car. Here are the #'s from the block, the cowl tag and the vin.

cowl: 06B H257
 ST 68-12437 LOS 42128 BODY
 TR 722 G-G PAINT

V.I.N. 124378L343505
ENGINE: V0423MO 18N425549

Could this be the original block??
 

No, that engine was originally installed in a '68 Norwood car, VIN #425549; your car was built at Van Nuys.
3825  Camaro Research Group Discussion / Maintenance / Re: Rebuilt motor tuneup on: January 29, 2006, 12:04:48 PM
I'm out of town this week in Florida, so I don't have my "30-30" crank angle-cam lift diagrams handy; I'd find true TDC, re-mark the balancer, then adjust the valves.
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