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Search: Posts Made By: bjankuski
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Forum: C4 Tech/Performance
04-27-2024, 07:56 AM
Replies: 6
Views: 166
Posted By bjankuski

You do not want those heads, they are swirl port...

You do not want those heads, they are swirl port truck heads. They do not flow air as well as the tpi heads and the timing needed for those heads is significantly different then what works for the...
Forum: C4 Tech/Performance
04-26-2024, 06:24 PM
Replies: 12
Views: 371
Posted By bjankuski

The gutted pre cats will not cause a performance...

The gutted pre cats will not cause a performance decrease.
Forum: C4 Tech/Performance
04-25-2024, 09:57 AM
Replies: 16
Views: 283
Posted By bjankuski

As noted above you need a new roller block and...

As noted above you need a new roller block and that would be 1987 and newer blocks.
Forum: C4 Tech/Performance
04-23-2024, 02:24 PM
Replies: 8
Views: 306
Posted By bjankuski

No need to add a switch, as soon as you crank the...

No need to add a switch, as soon as you crank the car the fuel pump will turn on.
Forum: C4 Tech/Performance
04-23-2024, 02:20 PM
Replies: 11
Views: 231
Posted By bjankuski

Something like this, sized to the pipe you are...

Something like this, sized to the pipe you are installing.

https://cimg4.ibsrv.net/gimg/www.corvetteforum.com-vbulletin/1254x686/pickup_install_tool_b3bed8f708cde495451e8468758ac7c8c9ac5859.png
Forum: C4 Tech/Performance
04-23-2024, 11:17 AM
Replies: 7
Views: 209
Posted By bjankuski

Not trying to be a pest, just want to make sure...

Not trying to be a pest, just want to make sure you have the correct part. In the picture below see the balance pad on the back side, did your flywheel have that?
...
Forum: C4 Tech/Performance
04-23-2024, 11:06 AM
Replies: 11
Views: 231
Posted By bjankuski

Poor mans way, take a crows foot that just fits...

Poor mans way, take a crows foot that just fits it and and extension and pound it in. Or go buy the correct tool.
Forum: C4 Tech/Performance
04-20-2024, 08:06 AM
Replies: 7
Views: 209
Posted By bjankuski

Did you put in a neutral balanced balancer and an...

Did you put in a neutral balanced balancer and an externally balanced flywheel?
Forum: C4 Tech/Performance
04-20-2024, 08:04 AM
Replies: 30
Views: 946
Posted By bjankuski

Are your mufflers or exhaust pipes still clogged...

Are your mufflers or exhaust pipes still clogged with all the broken parts?
Forum: C4 Tech/Performance
04-19-2024, 05:26 PM
Replies: 3
Views: 136
Posted By bjankuski

Install the long block.

Install the long block.
Forum: C4 Tech/Performance
04-19-2024, 07:27 AM
Replies: 10
Views: 296
Posted By bjankuski

Open up the head port to match the intake, it...

Open up the head port to match the intake, it will be fine. Just go in a little bit 1" or less to taper it.
Forum: C4 Tech/Performance
04-19-2024, 07:23 AM
Replies: 8
Views: 306
Posted By bjankuski

The fuel pressure drop may not be a big issue,...

The fuel pressure drop may not be a big issue, depends why it is dropping. Fuel is non-compressible so even a small leak past the regulator to the tank or a leak from the pump back to the tank will...
Forum: C4 Tech/Performance
04-18-2024, 08:03 AM
Replies: 13
Views: 158
Posted By bjankuski

Pull the coil wire and locate it close to a...

Pull the coil wire and locate it close to a ground and see if it throughs a spark to ground. You could also get a different wire and spark plug run the new wire up to the manifold and lay a spark...
Forum: C4 Tech/Performance
04-17-2024, 10:56 AM
Replies: 4
Views: 174
Posted By bjankuski

That looks very impressive, how much power does...

That looks very impressive, how much power does that make?
Forum: C4 Tech/Performance
04-17-2024, 10:55 AM
Replies: 8
Views: 306
Posted By bjankuski

Check with FIC for fuel injectors, the plugs look...

Check with FIC for fuel injectors, the plugs look to be oil fouled to me. Try replacing the injectors with the correct parts and then see if it is burning oil.
Forum: C4 Tech/Performance
04-17-2024, 10:49 AM
Replies: 13
Views: 158
Posted By bjankuski

The fuel pressure holds while the engine is off,...

The fuel pressure holds while the engine is off, that rules out a fuel leak flooding the car when it is off and sitting. I would check for spark, when you crank the car do you get spark out of the...
Forum: C4 Tech/Performance
04-14-2024, 07:18 AM
Replies: 3
Views: 169
Posted By bjankuski

The fuel change is not the issue unless it was...

The fuel change is not the issue unless it was contaminated fuel. Sounds like an ignition issue. Check the timing, plugs, wires, cap.
Forum: C4 Tech/Performance
04-12-2024, 03:21 PM
Replies: 30
Views: 946
Posted By bjankuski

Did you have the defrost on? If you did that...

Did you have the defrost on? If you did that turns on the AC to pull the humidity out of the air.
Forum: C4 Tech/Performance
04-12-2024, 08:12 AM
Replies: 30
Views: 946
Posted By bjankuski

Sounds to me like your catalytic converter failed...

Sounds to me like your catalytic converter failed and has plugged up and restricted your exhaust flow. The no power and won't rev combined with the hissing noise from the exhaust, seems to be the...
Forum: C4 Tech/Performance
04-12-2024, 07:08 AM
Replies: 7
Views: 225
Posted By bjankuski

The 1994 cars were designed to use ethanol, it...

The 1994 cars were designed to use ethanol, it will be fine.

This is what the 1994 manual says, E10 is OK as stated in the manual.
...
Forum: C4 Tech/Performance
04-11-2024, 03:12 PM
Replies: 17
Views: 343
Posted By bjankuski

Take a look at the vacuum line going from the...

Take a look at the vacuum line going from the fuel pressure to the plenum to make sure there is no fuel in it. It is possible that the regulator diaphragm ruptured and is dumping raw fuel in at idle,...
Forum: C4 Tech/Performance
04-11-2024, 10:11 AM
Replies: 17
Views: 343
Posted By bjankuski

We need more information. The instant MPG will...

We need more information. The instant MPG will always read zero when the can is not moving, does it still read zero when the car is moving?

As far as stalling have you done a tune-up by replacing...
Forum: C4 Tech/Performance
04-10-2024, 12:52 PM
Replies: 2
Views: 128
Posted By bjankuski

Check the plug wires and firing order. May not be...

Check the plug wires and firing order. May not be attached to the cap or plugs well or incorrect firing order. This is a start.
Forum: C4 Tech/Performance
04-08-2024, 11:07 AM
Replies: 10
Views: 249
Posted By bjankuski

I am skeptical on not line honing the block after...

I am skeptical on not line honing the block after you install studs. The fine thread studs will put more clamping load on the main caps, may change the bore diameter. I know whenever I add studs I...
Forum: C4 Tech/Performance
04-01-2024, 08:02 AM
Replies: 10
Views: 464
Posted By bjankuski

There is an emergency pull cable on the latch,...

There is an emergency pull cable on the latch, dig around back by the latch and pull the cable to pop the hatch open.
...
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