its time for me to start building my 360..

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razorback

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ok after months of deciding, being lazy and not wanting to work on it due to being cold, its time for me to start to finish my project. i bought a shortblock a few months back and just now getting to it. right now i just want a basic engine, nothing really fancy, i dont even think i need to bore it right now, just hone. i just have 3 major questions right now.

i have a 73 360 block, casting # 3418640-2 with an x. now what does the X on the crank mean? under or oversize?

also it has the heads 4027596, and its had port work done, are these good heads?

i dont think i will have alot of hood clearance, so what is a good single plane intake thats low but still delivers good power?

the rest of the motor is still up in the air, it depends on what kind of deals i can get, and what kind of room i have under the hood after i mount my motor (waiting on rear sump oilpump to do that)

ill post photos after i get my mounts done.
 
i dont think i will have alot of hood clearance, so what is a good single plane intake thats low but still delivers good power?

A Holley Street Dominator...I just sold mine on E-bay. It work pretty good. I was able to get a RPM under my hood-its not an A body.

My take is the dual plane RPM give a bit better idle, most noticeable when the motor is cool and a little better power off idle. After 4000 rpms theres no difference and I think the Holley pulled better after 5500 rpms.

The Holley is a low raise single plane intake. They are on E-bay quite often even thou holley stop making them in the mid 80's. I got $76 total for mine-thats with shipping, I seen them go from $55 to $100...never know on E-bay..I seen folks pay more-like for a Holley jet kit, than they sell new from Jegs..:read2:
 
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