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112330 Posts in 12905 Topics by 4940 Members
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361  Camaro Research Group Discussion / Mild Modifications / Re: mixing and matching cranks on: November 28, 2009, 07:05:26 AM
Throw that block in the trash. The pistons will need to be be $$$ custom made. The bores will shroud the valves too. You will never get any HP improvement and it will cost more to build too.

350 blocks are inexpensive. Not quite as inexpensive as a 307 block but still.....  Smiley

-Mark.
362  Camaro Research Group Discussion / Restoration / Re: Original tachometer on: November 27, 2009, 09:34:11 AM
I added the whole guage package to my car. The dash carrier was removed so it was a little bit easier. The cut outs were done with a flat blade tip on a soldering gun. It goes nice and slow kind of like a warm knife through cold butter. Stinky, yes but it gets the job done.  Once installed it looks like a factory job.

Just a pet peeve of mine - I would be sure to add some type of center dash guage at the same time you add the tach. There were (2) ways to order a tach. It came along with a center dash fuel guage OR you ordered it with the center dash clock along with the whole console guage package. If you don't put something else in there it just looks strange.

I know, I know - It's not my car so you can do what ever you want. Smiley

Hope this helps,

-Mark.
363  Camaro Research Group Discussion / General Discussion / Re: Rare 67 Z28 on: November 27, 2009, 09:15:52 AM
dudes how can you possibly know what came through the back or front door of GM during the no racing policy .just recently i read an article on GM sbc aluminum heads casted in 1958 how rare are those.just a thought

OT - The aluminum heads were not a big success. If they would have worked, they would not be so rare today. Wink

Here is a pic:



-Mark.
364  Camaro Research Group Discussion / Originality / Re: Original Air Cleaner for 69 SS on: November 26, 2009, 11:02:30 AM
What you say may be the actual case but it makes it very difficult to prove a restoration is back to its factory/showroom condition. If they ran out of chrome lids it might be evidenced by painted lids after a certain build date.   
Les

What you say is true but not always relevant. The term "restoration" means different things to different people.
Did the factory build cars using the wrong parts some times? - Yes! 
Were they supposed to do that? - No.

Restoration for a particular car can mean that a car is returned to it's original "as delivered" condition with any non-spec parts OR does it mean "returned to normative practice" with all the correct specified parts.
Normative practice is more like what the factory should have built given the time and proper specified parts.  "As Delivered" might mean the car had some parts that were not exactly per spec but that is what that particular car had leaving the factory.

If you do not have any STRONG physical evidence IN YOUR HANDS to show others that a particular car was delivered with parts that were not correct "normative practice" you are shoveling sand into the ocean. There is no real reason for anyone to accept that these incorrect parts are original for that car.

The car in question has numerous aftermarket replacement parts all over the engine bay. it is not possible to say with any certainty how much of this example is "original to the car" but we can determine if the parts and pieces are aftermarket or "normative practice" from research, casting numbers and date codes etc. Thats about all we can ever know.

-Mark.
 
365  Camaro Research Group Discussion / Decoding/Numbers / Re: I need help with X 55 numbers and little steel plate from the glove box on: November 26, 2009, 10:39:42 AM
Face it at a mirror in the bathroom and you will be able to read it better. Wink

That is a cool thing to have!

-Mark.
366  Camaro Research Group Discussion / Decoding/Numbers / Re: Newbie w/69 needs help please. on: November 26, 2009, 10:36:40 AM
It's a very nice looking hot rod. Smiley

Tag seems to indicate Lemans Blue car with white standard interior. We would need to see the tag to say any more about it.

-Mark.
367  Camaro Research Group Discussion / Maintenance / Re: power steering leak on: November 25, 2009, 08:49:51 AM
A pump overhaul is fairly easy. The pulley may require a special tool but they are available to borrow for free. A little heat can get it off if you are carefull. You may be leaking between the pump and the resevoir. Buy the inexpensive overhaul kit and have a go at it.

-Mark.
368  Camaro Research Group Discussion / General Discussion / Re: 350 Thermostat on: November 24, 2009, 08:21:57 AM
Start by checking for flow. Feel the lower hose to see if it is hot. If not, you do not have flow. Clogged radiator can do that but this is not as common as a stuck thermostat. I have seen one water pump im my life that lost it's impeller, but that is very rare.

You can test your thermostat (new or old) in a pot of hot water on the stove. If it opens at 180, or what ever the temp rating on the stat (before boiling at 212) you are good to go.

-Mark.
369  Camaro Research Group Discussion / Restoration / Re: Rear Springs on: November 23, 2009, 03:05:02 PM
I thought Bob had Detroit Eaton make him a run of those correct springs. Is that right?

FYI - My first set of Detroit Eaton springs did ride a little high. I called them about it and gave them exact measurements to adjust the height and they sent out (4) new custom springs that were DEAD NUTS exactly the right ride height as I requested. They paid the freight to return the first set and sent UPS truck when I told them I was ready. No extra charge. These replacement springs are not 100% technicaly correct but they fit and get the job done. There are some slight visual detail differences from original but unless you have a 100 point car, those regular springs are fine.

-Mark.
370  Camaro Research Group Discussion / General Discussion / Re: experience with Hooker 2131 super comps on Z28... anyone on: November 17, 2009, 04:36:06 PM
Be prepared to massage the tube closest to the steering box. I marked mine with a sharpie and modified it with a spark plug socket and a hammer.  Wink  No biggie.

I went back to the stock manifolds and chambered exhaust after that and those fit just fine.  Grin

-Mark.
371  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.
372  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.
373  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.
374  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.
375  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.
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