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107552 Posts in 12507 Topics by 4812 Members
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91  Camaro Research Group Discussion / Originality / Re: front coil springs for L-89 with alum heads on: August 18, 2014, 08:32:36 PM
yea well, Qa-1 have carried me 138 under 10.3 in a 89" wb car ,but different website Wink Company out of PA. winds a good spring too ,but the ones I've listed seems to be status quo for this site. Not even getting into dynamics between different rates rears vs. front and disturbances in deceleration..eg.. rear wheel hop. Basically stock BB aluminum headed Camaro should be no big deal.
92  Camaro Research Group Discussion / Originality / Re: front coil springs for L-89 with alum heads on: August 18, 2014, 06:09:46 AM
Eaton Detroit Spring Co.

Camaro Specialties

93  Camaro Research Group Discussion / General Discussion / Re: My New '68 Camaro Z/28 Butternut Yellow on: August 17, 2014, 08:06:37 AM
You probably already know ,just a reminder. When you pull your distributor make sure #1 cylinder on TDC: I/E rockers should be "loose" as both valves are closed, pull your dist cap, rotor should be pointing to, or real close to #1 cylinder. Dis connect your battery Cheesy This way everything will already be set for you when you are ready to reinstall.


If you do roll the engine over, or already pulled it...the above is what you want to check  before installation.

"putting it in the way it came out" works....if no crank rotation and you know rotor alignment. I've always taken the few minutes to align as above ,and never installed one 180 out.--steve
94  Camaro Research Group Discussion / Originality / Re: front coil springs for L-89 with alum heads on: August 15, 2014, 10:36:05 PM
Want exact ? Four point scale the car with normal load (passengers ,full fuel tank, etc ) compare the results to Eaton spring recommendations. Rule of thumb an aluminum headed big block=cast iron headed small block ,all things being equal with accessories for street. Don't have access to a 4 wheel scale? Give them a call and see what they say.


Spring rate is very important (front, rear) based on what you are doing with the car. Finding  load and demand is a must in determining rate for your particular application.

QA-1 tech is another great source in determining the proper spring for your build.
95  Camaro Research Group Discussion / Maintenance / Re: where can I buy a manuel steering gear box rebuild kit on: August 15, 2014, 07:32:41 PM
Pro Steering Systems

Know nothing of them, but they are one of the links on this site.
96  Camaro Research Group Discussion / General Discussion / Re: Camaro Performers magazine discontinued. GONE I TELL YOU....GONE GONE GONE!!! on: August 15, 2014, 10:09:43 AM
Sounds like a week I had a few months ago.  And "online" is killing print on paper. I still like books, not a Kindle fan.

 Remember the catch phrase "disposable income " ? Guess it's been disposed of.

If you have a child in college....costs are truly through the roof, say from just 10 years ago. Believe me brother ,if your out earning a living, we're all in the same boat.

97  Model Specific Discussions / Trans-Am Camaros / Re: The Vince Piggins Camaro on: August 13, 2014, 07:51:53 PM
DITTO
98  Camaro Research Group Discussion / Maintenance / technical articles by JohnZ on: August 09, 2014, 02:02:55 PM
Reminder, for those that do not know , JohnZ has posted a series of wonderful articles pertaining to timing , cooling system ,valve adjustment etc.  Written in easy to understand format pertaining to principal/ troubleshooting. I've posted before : great as a refresher or a must read if you are just getting in to theses old cars. Just click on Technical Articles on the home page.

Would help many a poster from running in circles when they are having some issues and are looking for help. Take the time to read over these first , everybody here likes to lend a hand so to speak, and some of the replies just might seem a little clearer. Unfortunately, you just can't stop by with a 12 pack Wink
99  Model Specific Discussions / Trans-Am Camaros / Re: Trans Am racing pace car pics...are there any? on: August 08, 2014, 10:27:33 AM
Agreed, just picking on Darrell a little Grin
100  Camaro Research Group Discussion / General Discussion / Re: My New '68 Camaro Z/28 Butternut Yellow on: August 08, 2014, 10:08:30 AM
Ko-lek-tor is correct, check Holley Tech, actually a gap measurement posted. I do not know it off hand.  If he's got the old 30-30 in it ,it's choppy but not overly aggressive. Brakes were fine without an added vacuum reserve tank. Plus the tuning specs for that Z motor has long been in print

Not saying to go do it, but I ran a far more radical cam and had the best luck drilling a small hole in each of the primary throttle plates....per Holley. Never could adjust them open enough to not take out the idle circuit. World of difference. Experimented with accelerator pump cams. (duration) Ended up with a surprisingly crisp ,off idle set up. Must for the street. This was on a 850 double pump.


If I was a betting man, I'd say his problems are in the 46 yo. distributor ....certainly was not a mistake having that old carb gone through also.

Be patient Danny ,your not going to jump in a TEN year old car ,not knowing maintenance history, and honestly expect to have no issues. Also consider it presents as having little attention over the years. All in all ,relatively minor issues, as to be expected with theses old rides...half the fun of owning one.
101  Camaro Research Group Discussion / Maintenance / Re: Running Hot? on: August 08, 2014, 09:07:11 AM
Let me add ,of course having the option I'd run race fuel in the car. Always have. Total agreement.
102  Camaro Research Group Discussion / Originality / Re: Door hinge color on: August 08, 2014, 08:36:55 AM
Ditto.
103  Camaro Research Group Discussion / General Discussion / Re: My New '68 Camaro Z/28 Butternut Yellow on: August 08, 2014, 08:35:45 AM
Outside a general tune up ,which is always a plus ,heed the advise from some previous posts and focus on your distributor. Sounds like it may be staying at full advance. Do you own a hand vacuum pump ? (Miti-Vac ?)


1. Disconnect your vacuum line ,plug source, and hook up pump to your distributor.
2. start engine, obtain initial timing.
3.Give a few pumps to full advance. 3 gr. on TAC ? Engine will speed up (good old timing tape on the harmonic balancer a plus here ! Mr Gasket--cheap)You can obtain a reading to see where you are at for full advance. A must to properly set up your curve. ***see weights/springs (previous post)
4. Release pressure on the pump ,does your engine idle back down ?

Something also to be said for adjustable timing lights here.

As far as checking for vacuum leaks: plain old spray bottle with water. I fight fires for a living.

Any issues with your distributor ,just send it out... labor was very fair ,goes through the tumbler ,set up on the good old SUN machine.
104  Camaro Research Group Discussion / Maintenance / Re: Running Hot? on: August 08, 2014, 07:51:49 AM
I run Marine Sta-bil in the boat to combat effects of ethanol in the fuel. SBC is a SBC. On mine it's fed by a low pressure pick up pump and high pressure feed for the fuel injection. These do not like alcohol. Alcohol also acts as a sponge for moisture.  Seafoam appears another popular product with the boaters.

Also is anybody rejecting their carbs? One could assume a lean condition is being created requiring an increase in jet size.
105  Camaro Research Group Discussion / Decoding/Numbers / Re: DF wheels on: August 07, 2014, 04:16:32 PM
04D car, all 5 wheels stamped. Looks like the above link answered it.
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