MN_luda

Where do i buy the special tap for head and main bolt holes? cant find the ARP one on their site...

cmac06

iTrader: (16)

For the heads the part # is 912-0011. A few places have it. The mains are 10mm, and you can find a cheaper tap than the ARP one.

ROCNDAV

iTrader: (100)

If you are simply cleaning out the threads, you can make your own chaser with an old bolt by grinding two slots down the threads.

2000PewterT/A

FYI if you are just cleaning the threads do not use a tap, it is much to sharp for that job, the proper tool to use is a thread chase, but like ROCNDAV said, allot of people grind 2 slots in their old head bolts and that will clean out the head bolt holes like a chase will.

MN_luda

Thanks alot guys, ill dig up an old head bolt and do that! ARP wanted $69 for the thread chaser...

JakeFusion

iTrader: (7)

http://www.summitracing.com/parts/ar...0011/overview/

55.69 from Summit. I used it to clean out my head bolts. Really awesome tool, though I don't see a problem with cutting an old bolt and using it. In fact, I was going to do that until I saw they had an LS1 specific thread cleaner.

MN_luda

Well shoot, ill probably just order one to have when i order my oil pump and other stuff from summit....thanks!

RockinWs6

The idea is to RESIZE the threads not cut new ones or remove material. I would not use a bolt with cuts, it may help clean the threads some but it can damage them and remove material. The chaser cleans and resizes the thread.

01ssreda4

iTrader: (96)

The ARP chasers work awesome. Worth the $$.

KCS

iTrader: (20)

Unless you're building a 2500hp turbo motor, a fluted stock bolt would suffice. If you can wait for the ARP thread chaser, that would work too.

JakeFusion

iTrader: (7)

Exactly what I did to get the free shipping.

cmac06

iTrader: (16)

True that!