Head Bolt Hole
Head Bolt Hole So I was using the head bolt holes to move the short block around today, and I must have not had enough threads in because one of the bolts ripped out of the hole 
now I need to know if I can just run a tap through the hole and be okay or is it more serious?
now I need to know if I can just run a tap through the hole and be okay or is it more serious? Ok, I read that I can make my own tap out of an old head bolt. True? And where do I look for this sleeve insert? Thanks alot for advice/help
Teching In
Joined: Mar 2009
Posts: 24
Likes: 0
From: United States
I bought a cheap tap set from harbor freight. Its done me wonders. the best thing about it is if i break a tap im not mad because it was prett cheap.
OPTION 1: you need to figure out the thread pitch. buy a thread pitch gauge can be had at harbor freight or auto zone for a couple of bucks. ususlly comes in a tap set. then you need to know the dameter of your head bolt shank. then you pick the tap out of your set and chase it in to your bolt hole nice and straight.
OPTION 2: Buy a hrelicoil thread repair kit from your dealer or somewhere. follow this link and scroll about 3/4 of the way down. this is for a vette but..... ahh nevermine. yeah same engine.
you know that already.
http://www.timesert.com/html/gm.html
Optiion 3 if you cant make it the same size drill it out bigger and go with oversized head studs. this is the most expensive way because of the cost of the head studs.
HTH
Mike
dont worry I'm going to need your help soon too. got a buddy who has some sort of early 60s chevy truck. I think its a fleetside any whoo, he wants to buy my spare LS1 and stick it in there. going to need help never done such a swap. have no clue... correction.... some what of a clue but not alot of knowledge on how to do this.
OPTION 1: you need to figure out the thread pitch. buy a thread pitch gauge can be had at harbor freight or auto zone for a couple of bucks. ususlly comes in a tap set. then you need to know the dameter of your head bolt shank. then you pick the tap out of your set and chase it in to your bolt hole nice and straight.
OPTION 2: Buy a hrelicoil thread repair kit from your dealer or somewhere. follow this link and scroll about 3/4 of the way down. this is for a vette but..... ahh nevermine. yeah same engine.
you know that already.http://www.timesert.com/html/gm.html
Optiion 3 if you cant make it the same size drill it out bigger and go with oversized head studs. this is the most expensive way because of the cost of the head studs.
HTH
Mike
dont worry I'm going to need your help soon too.
got a buddy who has some sort of early 60s chevy truck. I think its a fleetside any whoo, he wants to buy my spare LS1 and stick it in there. going to need help never done such a swap. have no clue... correction.... some what of a clue but not alot of knowledge on how to do this. Trending Topics
I bought a cheap tap set from harbor freight. Its done me wonders. the best thing about it is if i break a tap im not mad because it was prett cheap.
OPTION 1: you need to figure out the thread pitch. buy a thread pitch gauge can be had at harbor freight or auto zone for a couple of bucks. ususlly comes in a tap set. then you need to know the dameter of your head bolt shank. then you pick the tap out of your set and chase it in to your bolt hole nice and straight.
OPTION 2: Buy a hrelicoil thread repair kit from your dealer or somewhere. follow this link and scroll about 3/4 of the way down. this is for a vette but..... ahh nevermine. yeah same engine. you know that already.
http://www.timesert.com/html/gm.html
Optiion 3 if you cant make it the same size drill it out bigger and go with oversized head studs. this is the most expensive way because of the cost of the head studs.
HTH
Mike
dont worry I'm going to need your help soon too. got a buddy who has some sort of early 60s chevy truck. I think its a fleetside any whoo, he wants to buy my spare LS1 and stick it in there. going to need help never done such a swap. have no clue... correction.... some what of a clue but not alot of knowledge on how to do this.
OPTION 1: you need to figure out the thread pitch. buy a thread pitch gauge can be had at harbor freight or auto zone for a couple of bucks. ususlly comes in a tap set. then you need to know the dameter of your head bolt shank. then you pick the tap out of your set and chase it in to your bolt hole nice and straight.
OPTION 2: Buy a hrelicoil thread repair kit from your dealer or somewhere. follow this link and scroll about 3/4 of the way down. this is for a vette but..... ahh nevermine. yeah same engine.
you know that already.http://www.timesert.com/html/gm.html
Optiion 3 if you cant make it the same size drill it out bigger and go with oversized head studs. this is the most expensive way because of the cost of the head studs.
HTH
Mike
dont worry I'm going to need your help soon too.
got a buddy who has some sort of early 60s chevy truck. I think its a fleetside any whoo, he wants to buy my spare LS1 and stick it in there. going to need help never done such a swap. have no clue... correction.... some what of a clue but not alot of knowledge on how to do this.
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Doesn't sound like your messed up but the top 2-3 threads.. Depending upon how far the threads got boogered... You can take an old head bolt, grind two sides down flat with a grinder, Grease it up real good and slowly work it in and out of the hole (cleaning metal off in between) until it is smooth again. Shouldn't take but a few minutes and a little patience.. I have done it a time or two before.
Doesn't sound like your messed up but the top 2-3 threads.. Depending upon how far the threads got boogered... You can take an old head bolt, grind two sides down flat with a grinder, Grease it up real good and slowly work it in and out of the hole (cleaning metal off in between) until it is smooth again. Shouldn't take but a few minutes and a little patience.. I have done it a time or two before.
