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107587 Posts in 12510 Topics by 4812 Members
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346  Camaro Research Group Discussion / Maintenance / Re: 302 bellhousing and starter not fitting?? on: November 15, 2009, 10:19:50 PM
The "621" was used on a few 350's and many big block muscle cars. They are more rare and desireable so they go for more $$$. The "403" was used on MANY applications and should sell for consideably less $$$.

I may be a bit out of touch but I would try to pay $50 for a "403" and about $150 for a "621" if I purchased them locally. Ebay will probably go for more.

-Mark.
347  Camaro Research Group Discussion / Maintenance / Re: 302 bellhousing and starter not fitting?? on: November 13, 2009, 09:42:03 AM
The "621" bellhousing, 11"clutch, and 14" flywheel setup you have is not correct for a Z/28.

The "403" bellhousing, 12.75" flywheel and 10.5" clutch setup is correct. You can use the "621" but the starter nose cone, flywheel and clutch will ALL be different.

Try a BB nose cone if you dont want to go find the correct "403" setup. You can not mix-and-match these setups - ALL of the parts listed will need to match one setup or the other setup. Been there, done that.  Even the starter brace would be different. None of the parts you have will be technicaly correct except for the non-fitting starter. Sad

If it was mine, I  would sell the "621" for good money and find the cheaper and more plentiful "403" bellhousing, flywheel, clutch and use the starter you have so you don't have a "MUTT" car later on down the road. Smiley

-Mark.
348  Camaro Research Group Discussion / Restoration / Re: Window Handle Repair on: November 13, 2009, 09:29:55 AM
Check out the HELP section at your auto parts store for a close functional replacement knob. There is a decent replacement knob out there. Some of the resto parts houses have it but I have not used it before.

-Mark.
349  Camaro Research Group Discussion / Restoration / Re: find door glass of camaro 1968 with ''ASTRO VENTILATION'' to engrave like compan on: November 13, 2009, 09:27:22 AM
How about this?

http://www.rickscamaros.com/product.asp?pf%5Fid=D%2D300&dept%5Fid=3316

It is just a decal but it will work in a pinch.  You can buy a used piece of glass but shipping will be challenging.

-Mark.
350  Camaro Research Group Discussion / General Discussion / Re: if being "correct" was not a problem in your z28 on: November 12, 2009, 12:37:26 PM
A SHP 327 dressed up like a 302 would yield simmilar (better) performance with cheaper parts that are easier to find. Most people would never know the difference. Same sounds with slighlty more torque would keep the nostalgia feel to it.

I would want to keep some of the 302 "experience" that comes with owning the car. Smiley

-Mark.
351  Camaro Research Group Discussion / Originality / Re: Door certification decal on: October 21, 2009, 05:12:35 PM
Not on a '69.

-Mark.
352  Camaro Research Group Discussion / Restoration / Re: Rear Springs on: October 20, 2009, 04:16:41 PM
Eaton Detroit was a good supplier. Have you tried them?

-Mark.
353  Camaro Research Group Discussion / Restoration / Re: 69 Z Voltage Regulator on: October 09, 2009, 08:08:58 AM
That makes sense. I have an October 68 build. My original rad support is long gone and I don't recall if the repro used the well nuts or not. Smiley

-Mark.
354  Camaro Research Group Discussion / Restoration / Re: 69 Z Voltage Regulator on: October 05, 2009, 11:57:51 AM
Why do I have it in my mind that there might be some rubber expansion mounts behind the regulator, like they use on one side of a radiator?Huh Am I just loosin it?

-Mark.
355  Camaro Research Group Discussion / Decoding/Numbers / Re: Muncie 4 Speed Decoding on: October 05, 2009, 06:22:55 AM
The M20 and M21 refer to the internal gear ratios, more specificaly the ratio spread. The M20 is a wide ratio and the M21 is the narrow ratio. Both transmissions have the same 1:1 4th gear but the M21 has the ratios set up so the RPMs do not drop as much when you shift gears as compared to the wide ratio M20. If you have a torquey engine with power over a wide range the M20 is preferred. If you have a more high strung, high RPM powered car, the M21 was preferred. Speaking in general. Smiley

-Mark.
356  Camaro Research Group Discussion / General Discussion / Re: !!!NEED HELP BAD!!! - 1969 Camaro Wiring Gremlins on: September 29, 2009, 04:14:03 PM
It sounds like a ground problem to me. I would start by not re-engineering the battery cable hook up and put the cable where it was originally located on the inner fender. I know the rad support is bolted but you may not have a good conn between the support and the fender. The paint is probably in the way. It has rubber biscuits at the subframe so the only chance you have to make strong contact is the fender to support interface or maybe the hood latch would be enough?

Just my first instinct.

-Mark.
357  Camaro Research Group Discussion / Originality / Re: 69 x33 console delete? on: September 13, 2009, 06:53:47 AM
I have an 04C 69Z with no Tach,guages. So it has to be later that the Tach/guage package became standard.

The 4 guage pack in the console with combined with Tach and Clock was allways optional.

After about May 19th, 1969 all '69 Z/28's had to have a Tach and Center Fuel Guage at a minimum OR they could order the Full 4 Gauge on the console with Tach and Clock.

So an early build did not have to have any extra instrumentation but a late build would have to have a tach via one of the two possible combinations.

-Mark.
358  Camaro Research Group Discussion / Originality / Re: 69 x33 console delete? on: September 04, 2009, 07:40:06 AM
Pink and green sound like reverse light circuit. I bet you do not have any reverse lights when you back up. That is probably due to a header install at some time in the past 40 years or so.

-Mark.
359  Camaro Research Group Discussion / Restoration / Re: Firewall on: September 02, 2009, 07:47:14 AM
The Muncie equipped cars got a new hole in the firewall and the base tranny speedo hole was sealed with a black plastic caplug.

-Mark.
360  Camaro Research Group Discussion / General Discussion / Re: Blow By on: August 31, 2009, 01:02:30 PM
Old problem that never goes away. The covers look like stock alum but might not be OEM or may have been modified.

My advice is to get some stock baffles and set up the PCV like stock so it will work properly. You may have a big valvetrain issue under those covers so the stock baffles might not fit easily under there. There are aftermarket baffles with extra clearance that can be attached but they are probably not as good as the stock setup for oil mist control. Get the stock elbow and plumb it to the air cleaner base with a proper stepped rubber hose. Then and you can forget about the oil mist vapor collection problem.

Smokey Yunick came up with a setup that uses a puke can with both valve covers tied together. Not cheap, pretty or easy but for competition it was a solution to the problem. Stock setup is probably the best. Smiley

-Mark.
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