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Search: Posts Made By: 68coupe
Showing results 1 to 25 of 497
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Forum: C3 Tech/Performance
08-20-2007, 11:42 AM
Replies: 24
Views: 1,570
Posted By 68coupe

:iagree: I had the same problem and this fixed...

:iagree:
I had the same problem and this fixed it.
Run it with no cap on, as soon as you see it move start adding fluid.

Also, make sure there are no radiator hoses that are higher than the...
Forum: C3 Tech/Performance
08-20-2007, 11:00 AM
Replies: 53
Views: 8,540
Posted By 68coupe

Hi, To answer you question. I have a 6al box in...

Hi,
To answer you question. I have a 6al box in my car and I also run Edelbrock Performer RPM heads.
Edelbrock recommends RC12YC Champion plugs, and MSD recommended a gap of .50.
I recently found...
Forum: C3 Tech/Performance
07-16-2007, 02:07 PM
Replies: 25
Views: 2,359
Posted By 68coupe

adjust the timing curve and qjet. cost: 0 to...

adjust the timing curve and qjet.
cost: 0 to $20.
time: 0 to 2 hours.

That is the cheapest HP you will get.
Set a baseline before you start and keep track of all the changes and affect is has...
Forum: C3 Tech/Performance
07-11-2007, 10:32 AM
Replies: 13
Views: 526
Posted By 68coupe

:iagree: A vacuum leak will make your idle...

:iagree:

A vacuum leak will make your idle go up...
I bet the backfire blew a vacuum line off or a vacuum cover off.
Thanks,
Joe
Forum: C3 Tech/Performance
07-03-2007, 09:39 AM
Replies: 41
Views: 2,734
Posted By 68coupe

What is the casting number on the carb? Check...

What is the casting number on the carb?
Check it at http://www.mortec.com/carbs.htm
Thanks,
Joe

When tuning, keep in mind that a carb that is considered to be to BIG for an engine will run...
Forum: C3 Tech/Performance
06-27-2007, 02:32 PM
Replies: 22
Views: 7,274
Posted By 68coupe

Yeah, I guess if it is all of the sudden, I would...

Yeah, I guess if it is all of the sudden, I would start with vacuum leaks. That would cause a lean condition.
Thanks,
Joe
Forum: C3 Tech/Performance
06-27-2007, 10:33 AM
Replies: 22
Views: 7,274
Posted By 68coupe

Your carb is vacuum secondaries, so I am a little...

Your carb is vacuum secondaries, so I am a little surprised that you are getting the lean spot. Vacuum secondary carbs open based on engine load, so CFM is really regulated by engine load and how...
Forum: C3 Tech/Performance
06-26-2007, 05:11 PM
Replies: 22
Views: 7,274
Posted By 68coupe

Relax, that carb will work on your car. do you...

Relax, that carb will work on your car.
do you have stock jetting?
Do you have stock idle air bleeds?

When you say: part throttle to wide open throttle - what RPM do you consider part throttle?...
Forum: C3 Tech/Performance
06-21-2007, 01:52 PM
Replies: 20
Views: 1,383
Posted By 68coupe

:iagree: That is exactly what I was...

:iagree:

That is exactly what I was thinking, start with the header bolts.
Thanks,
Joe
Forum: C3 Tech/Performance
06-08-2007, 12:31 PM
Replies: 37
Views: 2,186
Posted By 68coupe

:iagree: air in the system. Take the cap...

:iagree:

air in the system.
Take the cap off, let in run until the thermostat opens. you will see the flowing coolant. then fill if needed. Runnning with cap off will not do any damage.
Thanks,...
Forum: Car Care Discussion
06-07-2007, 04:16 PM
Replies: 8
Views: 703
Posted By 68coupe

Not a vette. (I am a vette owner though). It...

Not a vette. (I am a vette owner though).
It was parked.

I have heard rumors about a touch up applicator that is like a ballpoint pen? Anyone else heard of it? Anyone every use it?
Thanks,
Joe
Forum: Car Care Discussion
06-07-2007, 03:40 PM
Replies: 8
Views: 703
Posted By 68coupe

My buddy's car has been keyed what do I do?

While parked in NYC, someone keyed my buddy's car. The line is not straight and it runs all the way down the side. Where do I start? What should I do?
I have never touched up the paint before and...
Forum: C3 General
06-06-2007, 03:10 PM
Replies: 130
Views: 6,168
Posted By 68coupe

26 years old now. My brother built my 1968...

26 years old now.

My brother built my 1968 coupe for me as a graduation gift from graduate school. I got it when I was 22. He built while I was at college. he was 20 when he finished it.
Thanks,...
Forum: C3 Tech/Performance
06-01-2007, 08:52 PM
Replies: 6
Views: 710
Posted By 68coupe

That is call ported vacuum. I prefer manifold,...

That is call ported vacuum.
I prefer manifold, but both work.
Thanks,
Joe
Forum: C3s for Sale/Wanted
05-30-2007, 11:00 AM
Replies: 15
Views: 1,441
Posted By 68coupe

Where are you located in Mass? What city or...

Where are you located in Mass?
What city or town?
Thanks,
Joe
Forum: C3 Tech/Performance
05-24-2007, 09:45 AM
Replies: 9
Views: 586
Posted By 68coupe

:iagree: This came up in our tuning session....

:iagree:
This came up in our tuning session. If I remember correctly, Lars tapped the secondary plates 3 times with a slotted screwdriver. Remember, 3 times only....
Joe
Forum: C3 Tech/Performance
05-21-2007, 04:11 PM
Replies: 21
Views: 9,312
Posted By 68coupe

I would start with the timing light because it is...

I would start with the timing light because it is the easiest and cheapest place to start.

If the problem continues….

What type of advance springs do you have installed?
By that I mean what is...
Forum: C3 General
05-16-2007, 11:31 AM
Replies: 8
Views: 374
Posted By 68coupe

rebuild the qjet. Thanks, Jeo

rebuild the qjet.
Thanks,
Jeo
Forum: C3 Tech/Performance
05-15-2007, 05:29 PM
Replies: 26
Views: 4,277
Posted By 68coupe

vapor lock?

What is the issue exactly?
Does the starter click? DOes it seem weak?
I would say a more common issue would be vapor lock.
Can you describe the issue in more detail?
Thanks,
Joe
Forum: C3 Tech/Performance
05-03-2007, 04:49 PM
Replies: 27
Views: 1,864
Posted By 68coupe

drop base? I do not think downleg boosters are...

drop base?
I do not think downleg boosters are your issue.
Is it going lean when you punch it? Almost like it is gasping?
Thanks,
Joe
Forum: C3 Tech/Performance
05-03-2007, 04:02 PM
Replies: 27
Views: 1,864
Posted By 68coupe

I believe one of the main reasons that the annual...

I believe one of the main reasons that the annual booster are better for street is because they are not as far down in the venturi as down leg. This basically translates to better fuel atomization...
Forum: C3 Tech/Performance
05-03-2007, 10:13 AM
Replies: 27
Views: 1,864
Posted By 68coupe

A spacer made of that material would be a good if...

A spacer made of that material would be a good if you were having a problem with heat conduction. If you think the heat is being transferred from the manifold to the carb, then go with the spacer....
Forum: C3 Tech/Performance
04-05-2007, 02:06 PM
Replies: 5
Views: 493
Posted By 68coupe

Did they replace the pivot ball? Thanks, Joe

Did they replace the pivot ball?
Thanks,
Joe
Forum: C3 General
12-29-2006, 06:32 PM
Replies: 34
Views: 1,484
Posted By 68coupe

I did the same thing on my 68..... Thanks, ...

I did the same thing on my 68.....

Thanks,
Joe
Forum: C3 General
12-26-2006, 11:10 AM
Replies: 5
Views: 329
Posted By 68coupe

the best method for me is to take the lead off...

the best method for me is to take the lead off the battery and put a test light in between the lead and positive cable. Then start pulling fuses.

If there is a short, the test light will light up...
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