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Search: Posts Made By: Johnboy3
Showing results 1 to 25 of 29
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Forum: C3 Tech/Performance
10-04-2008, 06:02 PM
Replies: 2
Views: 999
Posted By Johnboy3

Yep, stock heads with just the valve springs...

Yep, stock heads with just the valve springs upgraded.
Forum: C3 Tech/Performance
10-04-2008, 03:56 PM
Replies: 2
Views: 999
Posted By Johnboy3

81 Build up with dyno testing.

I just finished dyno testing a 81 L81 with an automatic this morning. I wanted to post up the dyno sheet and list of mods so anyone considering these mods can see how they will improve your power. ...
Forum: C3 Tech/Performance
10-04-2008, 03:14 PM
Replies: 14
Views: 8,476
Posted By Johnboy3

I just installed a 268H into an 81 and dyno tuned...

I just installed a 268H into an 81 and dyno tuned it this morning. You guys are right on with the timing. Best runs were at 35 degrees. Intial on this car was 15.5.

The cam makes nice power...
Forum: C3 Tech/Performance
10-04-2008, 03:11 PM
Replies: 9
Views: 452
Posted By Johnboy3

Does the distributer have vacuum advance?

Does the distributer have vacuum advance?
Forum: C3 Tech/Performance
10-04-2008, 03:04 PM
Replies: 2
Views: 1,320
Posted By Johnboy3

The number to identify the carb usually is...

The number to identify the carb usually is located on the top of the carb, in the front on the left hand side. Using the 6711 number, you have:

Holley Model # 4165
CFM - 650
renew kit -37-605...
Forum: C3 Tech/Performance
09-23-2008, 12:11 AM
Replies: 4
Views: 1,777
Posted By Johnboy3

Rear end squats when put into gear

Hello,

Have an 81 automatic that the rear end squats down pretty bad when you put it in drive. Would the rear spring being worn out and weak cause this or is there another issue. The spring is...
Forum: C5 Corvettes for Sale
06-09-2007, 11:12 PM
Replies: 1
Views: 244
Posted By Johnboy3

WTB white or black auto, $23k or less

We are looking for a C5 vette. Would like white or black, but may consider other colors if the price is right. It must be an automatic. We are located in NW PA but would travel some for the right...
Forum: C4 Parts for Sale/Wanted
04-09-2007, 10:50 PM
Replies: 254
Views: 12,314
Posted By Johnboy3

I need all three metal outside trim pieces from...

I need all three metal outside trim pieces from around the windshield. Also I need the headlight module that runs the headlight motors.
Forum: C4s for Sale/Wanted
03-25-2007, 09:25 AM
Replies: 22
Views: 4,162
Posted By Johnboy3

Is this car still for sale?

Is this car still for sale?
Forum: C4s for Sale/Wanted
02-20-2007, 10:55 PM
Replies: 3
Views: 663
Posted By Johnboy3

Replies sent.

Replies sent.
Forum: C4s for Sale/Wanted
02-19-2007, 10:25 PM
Replies: 3
Views: 663
Posted By Johnboy3

91 Blue, Auto, 42K miles, pic

Have a 91, auto, 42K miles, interior perfect, body perfect except for stratches on the hood and flaking paint on the front or rear bumpers. New tires and brakes. Runs great. Asking $10,500.
...
Forum: C4s for Sale/Wanted
02-19-2007, 10:23 PM
Replies: 8
Views: 584
Posted By Johnboy3

Have a 91, auto, 42K miles, interior perfect,...

Have a 91, auto, 42K miles, interior perfect, body perfect except for stratches on the hood and flaking paint on the front or rear bumpers. New tires and brakes. Runs great. Asking $10,500.
...
Forum: C4s for Sale/Wanted
01-15-2007, 09:32 PM
Replies: 8
Views: 509
Posted By Johnboy3

I have a 91 Quasar Blue, auto with 42K on it that...

I have a 91 Quasar Blue, auto with 42K on it that I would take $9800 for. Wrong color but just checking.
Forum: C4 Tech/Performance
10-09-2006, 07:50 PM
Replies: 9
Views: 674
Posted By Johnboy3

Thanks for the info guys. To answer a couple of...

Thanks for the info guys. To answer a couple of questions:

I am ordering one of the balanced kits from Ebay. I currently have the stock gears but I'm planning on changing them to suit the motor...
Forum: C4 Tech/Performance
10-08-2006, 10:41 PM
Replies: 9
Views: 674
Posted By Johnboy3

Could use some input on engine build

I am really impressed by the vast amount of engine building knowledge on this board and was hoping a few of you guys could tell me what you think about the setup I'm putting together for our 91. Any...
Forum: C4 Tech/Performance
06-21-2006, 12:02 AM
Replies: 7
Views: 472
Posted By Johnboy3

Did that, only one thump from driver's side.

Did that, only one thump from driver's side.
Forum: C4 Tech/Performance
06-20-2006, 10:50 PM
Replies: 7
Views: 472
Posted By Johnboy3

Alright, just got done going through the list: ...

Alright, just got done going through the list:

1) Which headlight door motor doesn't work?

Passenger side. Will not go up nor down. Motor does not run at all.


2) Can you manually turn...
Forum: C4 Tech/Performance
06-19-2006, 08:45 PM
Replies: 7
Views: 472
Posted By Johnboy3

Sorry it's a 91. If I unplug the offending...

Sorry it's a 91. If I unplug the offending motor, the test light works like it does on the side that works fine. If I plug the harness back in, both wires have juice and the motor will not work at...
Forum: C4 Tech/Performance
06-19-2006, 06:33 PM
Replies: 7
Views: 472
Posted By Johnboy3

Where do the headlight motors ground?

I'm really scratching my head on a motor that won't work at all. I was wondering where it grounds at? Thanks.
Forum: C4s for Sale/Wanted
06-15-2006, 11:08 PM
Replies: 2
Views: 342
Posted By Johnboy3

Heres one: ...

Heres one:

http://pubat0.pennswoods.net/cgi-bin/classifieds/index.cgi?mode=view&viewcategory=Autos&adindex=837207251767
Forum: C4 General Discussion
05-29-2006, 02:57 PM
Replies: 30
Views: 2,252
Posted By Johnboy3

In the 1/8th? In the 1/4 the vette gets...

In the 1/8th?

In the 1/4 the vette gets stomped, but that's not what we were talking about.
Forum: C4 General Discussion
05-29-2006, 02:56 PM
Replies: 30
Views: 2,252
Posted By Johnboy3

The vette has an automatic with 38,000 miles on...

The vette has an automatic with 38,000 miles on the car.

The Cobra is a 97 5-speed with 4.10 gears.

The C6 was a six speed. I'm not sure how hard the lady driving it was running it, but she...
Forum: C4 General Discussion
05-28-2006, 11:29 PM
Replies: 30
Views: 2,252
Posted By Johnboy3

She surely does. I also picked up a 4 bolt main...

She surely does. I also picked up a 4 bolt main 350 today to start the new engine. She didn't like losing to anyone yesterday and seemed more then okay with a new engine being built. :cool: :cool:
Forum: C4 General Discussion
05-28-2006, 10:06 AM
Replies: 30
Views: 2,252
Posted By Johnboy3

What was your wife launching at (rpm's)? She...

What was your wife launching at (rpm's)?

She said she wasn't revving it up at all before the light came on because if she did the tires would spin.

Was she heating the tires as well?
...
Forum: C4 General Discussion
05-28-2006, 09:42 AM
Replies: 30
Views: 2,252
Posted By Johnboy3

91 L98 is a torque monster

My wife and I took the cars down to the flashlight drags today. 1/8 mile heads up racing. I drove the Cobra and she took the Vette. First race I took it easy out of the hole as I didn't want to...
Showing results 1 to 25 of 29
 
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