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105671 Posts in 12339 Topics by 4754 Members
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421  Camaro Research Group Discussion / General Discussion / Re: Stainless Chambered exhaust on: February 07, 2014, 03:33:34 PM
I believe 400 series stainless is magnetic and 300 series is not, unless certain machining is perforned on it such as threads and such.

Correct.

400 series has little to no nickel in it which makes it magnetic and is also cheaper in price to produce.  300 series has more nickel and is in turn non magnetic and cost is increased due to the nickel content.  I would say the exhaust is 400 series stainless.  400 will rust; or oxidize, if not cared for over time.
422  Camaro Research Group Discussion / General Discussion / Re: Stainless Chambered exhaust on: February 07, 2014, 08:56:40 AM
So if you 'lost' around 7hp with a chambered exhaust and stock exhaust manifolds, would you expect to regain those 7hp with chambered exhaust and long tube headers?
Also, would imagine that in reality, there could be at least a 7hp variance between 2 otherwise identical (drivetrain) cars off the factory assembly line.

Ding ding ding!!

With my experience of putting countless late model LT & LS cars on a chassis dyno  some cars put down a few extra ponies than another.  Same setup put it boils down to tolerance stackup.  You have mins & maxs and it you have the incorrect balance then you will have the lower output rate.  Same can be said about the opposite.  The fact is you are not going to feel 7 or 10 or even 15hp by the ole "buttometer"..  Even the calibrated ones.. Grin  If you are not competitively racing then its all about sound.  If you like the sound of chambered then install it.  If not then sell it.
423  Camaro Research Group Discussion / General Discussion / Re: 4053 DZ carburator on: February 06, 2014, 08:48:28 PM
Honestly we are talking about 20 cfm.  When working at Holley; there were/are variances when flowing a carb that will be as much as a couple 100 cfm.  Usually you use the mean of a batch and come to your cfm flow.  USUALLY..  Has there been carbs that have been manufactured that were suppose to a certain cfm and fell short?  Of course, its like any testing batch testing.  All the tolerances that are used (especially back then) if you had a base plate that was at its min tolerance and a venturi  at it max then you will not get optimum flow because you will create turbulence.  When testing you want best case scenerios to get the best results possible.   
424  Camaro Research Group Discussion / Originality / Re: Identifying Original Console Gauges on: February 05, 2014, 05:15:19 PM
Good deal.  It is great to have everyone willing to help others out with figuring these cars out.  Thank you again EVERYONE!!


Even Gary.   Tongue
425  Camaro Research Group Discussion / Originality / Re: Identifying Original Console Gauges on: February 05, 2014, 02:16:03 PM
lol

426  Camaro Research Group Discussion / Originality / Re: Identifying Original Console Gauges on: February 05, 2014, 12:58:19 PM
Darrell,

1) I didn't see any stamped dates/codes on my gauges...
2) My car (which the gauges came from) is a Sept '69 (09C) production date (late, which might explain the 'smoooth' finish, vs the 'brushed' finish question you asked?)
3) The difference between production parts and service parts (re the 'crinkley corner bends') could be a change in Al alloy, in addition to a change in supplier?
4) I'm confident you noted the similarity between the bright orange fluorescent and 'hugger' orange?  Smiley   The names may change, but it's still 'hugger' ..  just with a fluorescent glow.. Smiley


Changing of material is probably true.  


As for the color...  Whatever helps you sleep at night.. Roll Eyes  I think Im gonna substitute Hugger Orange with Carousel Red when Im talking to you from now on out.


 Grin
427  Camaro Research Group Discussion / Originality / Re: Identifying Original Console Gauges on: February 05, 2014, 11:38:09 AM
Also notice in the corners were the bends are on the two gauges I show originally and in Gary's pics.  Originals seem to have a crinkle finish in the curvature were as the service replacements are smooth.







428  Camaro Research Group Discussion / Originality / Re: Identifying Original Console Gauges on: February 05, 2014, 11:36:08 AM
I see the lens scratches and that not what I am referring to; your temp gauge face is just like the fuel gauge pic I posted.  Im beginning to think there may have been a change to the face during production..?..
429  Camaro Research Group Discussion / Originality / Re: Identifying Original Console Gauges on: February 05, 2014, 11:07:36 AM
Ed you can see that your temp gauge looks brushed on the face but the rest look silver.  Kinda hard to tell.  Can you look when you have time and see if all are brushed?
430  Camaro Research Group Discussion / General Discussion / Re: And I Thought The Snow Was Bad...Now Ice on: February 05, 2014, 09:38:25 AM
Just enjoy the view, and try to survive the temps, and hopefully any damage isn't permanent...  Smiley 

X2
431  Camaro Research Group Discussion / Originality / Re: Identifying Original Console Gauges on: February 05, 2014, 09:32:58 AM
OMG...   Roll Eyes

lol
432  Camaro Research Group Discussion / Originality / Re: Identifying Original Console Gauges on: February 05, 2014, 08:39:32 AM
Anther question I have is does anyone know the correct color of the gauge needles?  I would like to redo these I have because they both work and would look better refinished.
433  Camaro Research Group Discussion / Originality / Re: Identifying Original Console Gauges on: February 05, 2014, 08:28:50 AM
Also look at the needles of the service parts but they look to be silver as well.  Interesting..  


Gary (69Z28-RS) is there any ink stampings on either your original gauges or the ones you bought at the swap meet?

As for cleaning I would use q-tips and alcohol.  But not on the printed surfaces.  Just soapy water & q's for that. Just make sure to get all the water out or it can cause damage to the windings on the gauges long term.


Anyone else out there that has ORIGINAL gauges take a pic of the faces?  Doesnt matter at this point if they are still in the car or not.  I want to know if the brushed look or painted/coated look was interchanging..  Meaning more than one supplier.

Ill have to look in the X33 & L78 cars to see how their faces are now..   Hmmmmm
434  Camaro Research Group Discussion / Originality / Re: Identifying Original Console Gauges on: February 04, 2014, 10:52:12 PM
Nova's as were black face.
435  Camaro Research Group Discussion / Originality / Re: Identifying Original Console Gauges on: February 04, 2014, 10:01:03 PM
Hey Darrell, the top two look like my gauges. The faces look like brushed stainless. The amp gauge COULD be a service replacement, maybe??? I don't  think they are reproductions in any case. Those wouldn't have Made in USA on them. I'm sure there will be others posting to confirm. I often wondered if there was more then one supplier myself.

Good point.  Another thing to note is that the color of the needles are different.  Fuel gauge needle was painted before being peened were as the amp need was painted after.
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