5 gen whipple vac leak

[Torinate]

What is OAPCT%

What did PBD say?

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[khalismatic]

Any updates?

 

[dblcbra]

What is OAPCT%

What did PBD say?

Oapct is doing to do with the octane percentage from my understanding. Pbd said a number over 10 usually indicates a vacuum leak.

 

[dblcbra]

Any updates?

Sadly no. I went on a rally with a bunch of cars and one of the idler pulleys had a bearing go out. I'm waiting for whipple to get me a new one since it has a year warranty, but their response time is less than stellar. Once the bearing went out, it ate the belt, car start over heating... No fun! I got I pulled over immediately and ended up getting a tow. Unfortunately I was 250 miles from home. My spec clutch is also feeling weird so once I get the pulley I'm going to have a mechanic do a uv dye test to see where it's leaking and have the clutch sent back.

 

[Torinate]

Oh man. That sucks.

I feel for you...

 

[smann]

Do a smoke test

 

[dblcbra]

Whipple is sending out a new pulley and belt today. I'll be able to get there car to run again.

I had a got recommend checking the gasket for the brake boost. It definitely feels suspect when I put any pressure on it. Fingers crossed once everything gets here.

 

[Adamone92]

Whipple is sending out a new pulley and belt today. I'll be able to get there car to run again.

I had a got recommend checking the gasket for the brake boost. It definitely feels suspect when I put any pressure on it. Fingers crossed once everything gets here.

Care to elaborate on this gasket?

 

[dblcbra]

Care to elaborate on this gasket?

This little one right here between the plug that connects to the line and the brake booster. Apparent if this can cause a nice vac leak.

 

[Adamone92]

This little one right here between the plug that connects to the line and the brake booster. Apparent if this can cause a nice vac leak.

Thought so..i was a bit skeptical if mine was loose or not. Hoping the new throttle body is the fix to my issues..if not..maybe ill replace this gasket.

 

[dblcbra]

Thought so..i was a bit skeptical if mine was loose or not. Hoping the new throttle body is the fix to my issues..if not..maybe ill replace this gasket.

The gasket is only $15 or so. Definitely worth a shot. My first throttle body was bad, but it was the magnetic part rubbing inside.

 

[Adamone92]

The gasket is only $15 or so. Definitely worth a shot. My first throttle body was bad, but it was the magnetic part rubbing inside.

Happen to have a link? Or did you just grab it locally?

 

[dblcbra]

Happen to have a link? Or did you just grab it locally?

Part number was LRS-80189.
https://lmr.com/item/LRS-80189/mustang-brake-booster-check-valve-1979-2019
You might be able to get one locally.

 

[Adamone92]

Part number was LRS-80189.
https://lmr.com/item/LRS-80189/mustang-brake-booster-check-valve-1979-2019
You might be able to get one locally.

Appreciate it!

 

[dblcbra]

I got my car back today. The throw out bearing ended up completely grenading so that caused a small delay. The shop ran a smoke test on the car and could not find any leaks. I'm kind of at a loss for why my 3.875 pulley is only making 8 PSI.

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