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111362 Posts in 12823 Topics by 4913 Members
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256  Camaro Research Group Discussion / Maintenance / Re: valve adj on: June 07, 2014, 07:33:20 PM
I am sure there will be someone who does not approve of how I do valves, but here goes: First, a four stroke engine makes 2 complete revolutions of the crank or 2 x 360 degrees = 720. Divide by the # of cylinders (8 in this case)  = 90 and that tells you every 90 degrees is top center on a compression stroke (both valves closed) for a cylinder. Mark your balancer every 90 degeres (4 marks counting TDC). Start with TDC on #1 cylinder, adjust clearance for both valves. Crank engine clockwise (looking from front of car) with socket to next mark (90 deg)(easier if plugs are out) do next cyl. in firing order  (8 in this case). and so forth till all 8 are done. 18436572 is firing order with odd #s on LH, drivers side bank, even on RH. This ain't brain surgery and exact TDC for each cylinder is not critical (I just like to be exact when I do it), but you can use a remote starter and bump it around if you have a good R. Starter that can let you do small bumps. If you miss one, just do the next one in order and come back to the one you missed on the next revolution x 2. When you are at TDC for ea. cyl. after setting lash each rocker will have a little, but not excessive play which will be the lash setting of course. But just grab each rocker and double check and by feel , you'll know it is pretty much right.
257  Model Specific Discussions / Trans-Am Camaros / Re: Dana Chevrolet on: June 05, 2014, 11:03:13 AM
Wow! Jon Mello posting big block tech?...I love it! Thanks, Jon...and anything from BITD is OK with me. Maybe I'll try those pipe cleaners in the P. rods?!
258  Camaro Research Group Discussion / Restoration / Re: XT wheels Usage on: June 04, 2014, 10:08:53 PM
Thanks, Kurt for clearing this up. I thought that was the answer.
259  Camaro Research Group Discussion / Restoration / XT wheels Usage on: June 04, 2014, 09:44:25 PM
I was reading the Ask CRG questions and a question about XT rims usage had the following answer: "COPO (Central Office Production Order) 427-engined cars, unless ordered with the ZJ7 rally wheel option or the COPO 9737 sport car option, came with the same wheels used on other non-rally 1969 SS cars, the 14x7 XT steel wheel. This same wheel was also used on Chevy II SS in 1969. We haven't looked beyond 1969 to determine later use"
Am I to understand that a SS/RS could not have XT rims by this answer? or is this rally statement directed to mean the rally wheel?
260  Camaro Research Group Discussion / Restoration / Re: carb linkage to carb hookup on: June 02, 2014, 09:44:11 PM
goes in the small hole in front of large hole. Uses a cir-clip or C-clip to hold rod onto carb.
261  Camaro Research Group Discussion / General Discussion / Re: Well My Camaro online Compadres, Time for a fight of my Life! on: May 31, 2014, 06:54:17 AM
Hang in there buddy!
262  Camaro Research Group Discussion / Originality / Re: 69 Z28 rear tailpipe hangers on: May 30, 2014, 03:23:47 PM
Both sides? Which type exhaust, chambered or transverse?
263  Camaro Research Group Discussion / General Discussion / Warning-Caveat Emptor-Scammers Abound on: May 30, 2014, 06:24:52 AM
There was quite a lenghthy post about this car back a few months ago: . Now being scammed on eBay so watch out,
FYI here is original add:
264  Camaro Research Group Discussion / Decoding/Numbers / Re: Zeroing in on X code start up on: May 28, 2014, 11:05:25 PM
My Vin 562xxx has the x code.
12A N553XXX no "X" code.

No dealer info either, darn it -


interesting,but I think you are missing the point. If it is before my example 559498, it will NOT have an X code (like yours) and if it is after 560573, it WILL,(like yours). It is the period in between I am focusing on 559498-560573
265  Camaro Research Group Discussion / Decoding/Numbers / Re: Zeroing in on X code start up on: May 28, 2014, 10:47:21 PM
KurtS tells me he has seen a vin before 560000 with X code, so, back to the drawing board. You bring up a great point Gary. And that is when would this be implemented. Beggining of week? Shift? or by Vin? Shift and/or week would make more sense, I agree. I thought JohnZ said 920 cars per day. Will have to check these facts.
266  Camaro Research Group Discussion / Decoding/Numbers / Zeroing in on X code start up on: May 28, 2014, 09:49:02 PM
A couple of weeks ago, a topic regarding rear end dates was posted. This resulted in a few PM's by JKZ27 & myself discussing when the changeover to X codes occurred. We both have 12B Nor. cars. After observing several 12B tags with vins and doing my own research over some time now, I'll add, I will or can almost with certainty determine that the X codes started with the Vin # 560000 or very close. Certainly more data will narrow this down and confirm or at least conclude and then be held as fact, which is what WE are all about. My following examples to bear this out are:  This car is 532 Vins before the 560000 and has no X code and a post about an X55 which is 1026 after this 560000 vin. Now, I know that is over 1500 cars between these examples and as more is found I will keep records. I have never seen an example of any X code with a vin starting with 55xxxx to date. This is another, 573 after 56xxxx with X code...Now within a 1000 vins 500 on each side of 56xxxx.
267  Camaro Research Group Discussion / Decoding/Numbers / Re: Original GOODYEAR E70-15 Wide Tread GT, Date Code? on: May 28, 2014, 07:03:41 AM
The more I look at the chart, the more confused it becomes. I have a G-Y Polyglass F70-14. The numbers go like this: MDLD  Y4A173 . I do believe it was an aftermarket replacement tire and not an OEM tire because it has "blem" stamped in the sidewall.  I also have an old BFG Tiger Paw and a couple of "stones" Super Sports I would like IDed as well if there is info.
268  Camaro Research Group Discussion / General Discussion / Re: TRIALS AND TRIBULATION OF FINDING ORIGINAL DRIVE TRAIN OF 69 CAMARO L 78 on: May 26, 2014, 04:07:55 PM
Vince, FOUND your car on EBAY TODAY!!!! Here it is and good luck. I wish I could buy it myself.
269  Camaro Research Group Discussion / Mild Modifications / Are There Any Big Block Headers that clear Backdrive Linkage? on: May 21, 2014, 08:41:39 PM
Asking for a guy who has an original X22 car and wants to run headers. I told him that he probably will not be able to use his backdrive linkage. Is this still the case or are there headers that work with the linkage? I am hoping that there are not as he said he would sell me the linkage. Fingers crossed. It is a 4 speed car with a Big Block.
270  Camaro Research Group Discussion / General Discussion / Re: 1969 Z28, One Owner Carolina Blue Crossram JL8 on: May 19, 2014, 12:06:57 PM
Back in the good old days of street racing in New York, that meant you were ready for a race! But I agree with John, the rod is missing.
Interesting, I thought it was an Ohio thing. BITD All us hot rod guys would have the reverse lights wired to a secret toggle under the dash and flip it on as a sign a race is on or desired. We would also flip on the reverses when pulling into the Big Boy Drive-In to look cool and to put others on notice we were looking for a race.
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