ok ive got a ef civic with a zc swap i bought the motor with the tranny already on it and someone didnt put it together right because all the bolts that hold the flywheel on striped out and wore the holes out on the crank. i was wondering what the pattern was for the bolts that hold the fly on, i wanted to fix it with a heli coil and the local parts stores can figure out the thread, i was just going to order some online.

 

haha. It's over. Get your money back

 

Why not drill and tap new threads, new Grade 8-10 bolts and red loctite and and long sincere prayer and maybe it might hold.

 

well i want to use the 12 point bolts i got because they have short heads and they're the right size for the flywheel, and i know they're strong. i just need to know the pitch of the thread so i can get the right heli coil and then drill it and tap it.

 

Crank is trashed?
OUCH.

 

not trashed heli coil will fix just need to know the thread!

 

Try 12mm X 1.0mm pitch..

 

I'll try thanks

 

PS that is an oddball size from what I can tell..

I don't see anyone offering that exact pitch so you might have to
go to a different one..

As far as thread repair goes..Also look into "EZ-lock" or the one
I am familiar with "time-serts"

link: http://timesert.com/

 

i would never trust something like that on crank man. just get your money back, or swap the crank for a good one.

 

anyone got a crank forsale, ive tried every parts store the repair shop in my town and no one can find anything for that thread. what all cranks can I use for the dohc zc?

 

i believe any d16 crank from 88 to 00 will work.

 

some zcs use different size pulley snouts.

try thezcr.com to find a crank, thats your best bet

 

someone's gotta know that pitch

 

 

12mm x 1.00 RH

per:
http://www.summitracing.com/parts/ARP-208-2801/

for a 91 CRX since all D series use the same size flywheel.

 

also try searching google for that tap size, i saw a couple one there, its probably not a common size, thats why local stores dont have it.