Head/Exhaust Stud Pulled Out - 1972 Bus

[Sluggo]

I've had a pulled exhaust stud for a while now. Gonna fix it when I drop the engine to transplant into the '77. I ordered a metric tap & die set off of eBay. The only studs I could find were at CIP1 ($1.95). This leads to 2 questions.

1. Are the CIP1 studs good? I know a lot of their stuff is crap.

2. It's a 2 liter Type 4 with FI heads. Are the stock studs 8x9x38? Should the replacement stud be 8x10x38?

[Gypsie]

Will you be using a step stud or drilling out the HE manifold?

I've had luck at a good hardware stores finding auto grade studs. all sorts of sizing and thread pitch...

[Sluggo]

Will you be using a step stud or drilling out the HE manifold?

I've had luck at a good hardware stores finding auto grade studs. all sorts of sizing and thread pitch...

Step Stud. That's why I need to make sure the thread on the head is 9mm so I can step up to 10mm. If it's 8mm I can step up to 9mm.

[Dave105]

Hey Sluggo

Juts had the same thing happen to me. While trying to remove the heat exchanger.
Think my studs are 9/8, but what I was considering was to drill out seized stud and helicoil back to original size.
Is this a good idea or is it better having a 10/8 stepped stud?

[dhoch14]

Similar situation happened to me last week expect it was a manifold stud. I used a helicoil kit from Napa and it worked like a charm. I reused the original stud and didn't have to deal with size changes. It's a little more pricey than going with a step stud though.

[Sluggo]

While Colin was here we pulled the exchanger and checked out the stud. It is an 8x9. I'll be going the helicoil route (as Colin suggested). Mostly because I had a hard time finding a 10x8 stud.