a friend of mine was getting his ls vtec swap ready.. it was a stock ls block with a stock si head..the block had a hone and new rod bearings.. today he put it together and it ran fine for about 5 minutes.. he took it for a drive and it ran strong better than it did the first time although this time at a stop sign, he heard a loud *** pop he didnt know what it was then about half way home he see's it overheating so he pulls over and puts more coolant in then he hears another pop and there's coolant spilling out the side of the head next to the timing belt.. the head was torqued down it was a 3 layer headgasket, stock b16 head bolts.. we pulled the head of and the headbolts had threads on them from the block..the right left side of the head is fine.. all those threads hold until the middle top bolt, and the rest of those threads just gave up.. how come it only happen on this side?? has this happen to any one?? what might of caused this to happen? thanks guys..

 

Well, first of all... B16 head bolts are too short for that setup.

 

yep, ls bolts are 6 short 2 long

you need 8 long.

 

what kind of 8inch long head bolts.. everyone says to use vtec head bolts so thats what we did

 

so what bolts can u use then, since there are only 2 long ones and u need 10 all together?

 

theres a total of 8 bolts.

also, i didnt mean 8inch. are all your head studs the same length?

 

you probably used the wrong head bolts
you have to use gsr/itr head bolts

 

this is what i used.


http://www.goldeneaglemfg.com/...C-HSK

 

yea there the same length... then how come this ran the first time.. it was in there before with b16 head studs only thing is he bent a rod so he changed it and while the pistons were out it got honed.. could the extra compression do this?

 

well this block is garbage now.. is there anyway to fix it.. i was thinking about rethreading it and getting bigger head bolts would that work??

 

ok so with an ls/vtec frankenstein you need to use all 8 LONG LS bolts?

 

aight gina.

 

should have at least used gsr bolts...go with arp studs though...much better

 

so this setup failed because of the head bolts im assuming lol?

 

would you mind telling me step by step how you installed those headstuds....i already know what can cause this...just wanna see if my theory is right...im betting the problem is in the install of those headstuds....not the headstuds themselves...

 

this is how i installed my ARP's

hand screw them(studs) all the way down, if it gets stuck and still have ways to go, then allen wrench it down til it wont go anymore

next, turn the studs back two full turns and put the gasket/head on and torque down.

now this has proven to work for me, and maybe others as well, however please schime(sp?) in if it's not right. it seems logical to me.

 

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by DOHCtorTHRUST &raquo;</TD></TR><TR><TD CLASS="quote">this is how i installed my ARP's

hand screw them(studs) all the way down, if it gets stuck and still have ways to go, then allen wrench it down til it wont go anymore

next, turn the studs back two full turns and put the gasket/head on and torque down.

now this has proven to work for me, and maybe others as well, however please schime(sp?) in if it's not right. it seems logical to me. </TD></TR></TABLE>
you were doing good till
"next, turn the studs back two full turns"

http://www.arp-bolts.com/pages....html

 

Are thehead studes longer on the gsr then b16?

 

they were just put in and first torqued down to like 25 pounds.. then they were torqued down the rest

 

did you use any lube on the threads???

 

yea oil

 

it may of been because their reused, head studs cant be reused but for so long. once they expand and contract they become very weak.

block is fixable. some say helicoils will work, but for me helicoils destroied my block. email this guy, dfeent@netzero.com he fixes head studs with time-serts. he told me $60 bucks, but you have to ship him the block unless your in FL.

golden eagle refered me to him in the past

 

oh damn, didnt see you are in NJ.

You can bring your block to a shop in PA called ECAM. he already has the tools to fix b series head studs. email me ill give you the shop # chris@autorush.com

 

he didn't have head studs, he had stock head blots

 

the head bolts are fine.. the thread's in the blocked ripped out..!!! lol what are the odds of this happening