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Aluminum intake torque spec's
Looking for the torque spec's for one using ARP bolts with an aluminum intake manifold (air Gap) with SVO aluminum ford heads.
I also assume the tighting sequence to be the same a cast iron? |
I started at 16ftlbs and then re-tightened to 20ftlbs after warm-up and cool down. Sequence is starting in the center and working across and outward to the corners.
-Dean |
What do the specs say for your manifold RE: torque and pattern? Bolts do not matter whether they are ARP or Radio Shack Specials.
What matters is the torque and the pattern. Some manifolds require a different tightening sequence depending on MFG. Once tightened warm the engine to operating temp checking for leaks, shut down.. then while engine is warm retighten to specs. Some say 3-5lbs more torque, others say to specs ... your choice. I haven't warped an alum head or a manifold following this procedure and hve done it to MFG specs. But I'm not a mechanic either. |
Oh, THAT kind of torque. For a minute there I thought you meant to imply that small blocks actually have torque. :D
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Ernie,
You do remember the appropriate response to that.... if not BITE ME and all SB owners;) |
Never thought of looking at the manifold guys for the spec's. I'll check this out. Thanks
BTW...what is this BB vs SB stuff??? I thought this stuff only happened in boating...sailor boater vs power boater, guess I was wrong ; - ) |
tamanaco,
Stick around, you ain't seen nothing yet! For grins do a search on SB - BB and you'll see what I mean. Heh heh - it is an on going saga.:LOL: |
Ernie: Go back to sleep............Or better yet go drive around the island in circles
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