Balancer Bolt Torque
Can someone help me out with the torque value when reusing your old balancer bolt? I am pretty sure I read somewhere that this bolt can be reused. If memory serves the multi-step torque plus angle process does not apply, you just torque the bolt to a prescribed value.
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I can't recall if the kit comes with a new crank bolt. I believe it does as it's not recommended to reuse the old one but either way its 240 Ft/Lbs.
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The balancer/pulley bolts on modern vehicles are somewhat of a mystery to me. I cannot understand why they are all torqued so damn tight. Old school big/small blocks used a 3/8" bolt and they never seemed to come off. Ford always used a big ass bolt, but it was only torqued to a hundred and something ft-lbs. I think I'll just order an ARP bolt and be done with it. |
I believe the Stock balancer bolt is TTY and not re-useable because the threads stretch.
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Our kit does come with a GM bolt but I prefer you use an ARP. It was an oversight on our part we are sending you a crank bolt no charge. Thank you for your business. Ted. |
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Sounds like your making progress.
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the crank bolt is not designed to be used twice. obviously many people do without any issues; but that's up to you!
two different style crank bolts with different torquing procedures. see the pdf from pace performance for all torque specs. Crankshaft Balancer Bolt – New Bolt with Flanged Head • First Pass: 120Y (89 lb ft) • Second Pass: Loosen 360 degrees • Third Pass: 80Y (59 lb ft) • Final Pass: 125 degrees OR Crankshaft Balancer Bolt – New Bolt with Retained Rotating Washer • First Pass: 120Y (89 lb ft) • Second Pass: Loosen 360 degrees • Third Pass: 80Y (59 lb ft) • Final Pass: 200 degrees https://paceperformance.com/files/pd...rque-specs.pdf |
Thanks for the link, hitmix! All I i really need, info wise to finish up is the torque values. You saved me the $15 daily service manual rental fee!
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Of course if the pistons are the same CCs. Ted. |
Did you do stock compression? If not Ted is right, that would give you a higher compression rate that might be a little to high for boosted. I did a 10.5 motor
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Pistons are -6cc. reduced volume in the cylinder based on 4.06 bore & .020 reduced deck height works out to -4.24cc so my CR should be right at stock. Even so, I would feel more comfortable with thicker head gaskets. Do you guys have a source for custom gaskets, or off the shelf gaskets that are around .071 (I miced the originals at .051). BTW the machine shop had to deck the block to remove a small divit at the edge of the no 2 cylinder. I have no idea how it got there. I wrapped the block in a blanket and transported it in the back seat of my truck to the machine shop.
Do you guys have a recommended source for thicker gaskets? I miced the originals at .051. |
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