Quick question. What would be the compression of a stock b20 block with a b16a head, will the compression remain as 9.8?
Originally Posted by Lerlo Quick question. What would be the compression of a stock b20 block with a b16a head, will the compression remain as 9.8? 9.96:1 with PR3 B16a/B18cR head 10.14:1 with P72 B18c head This is using a B20B8 with the PHK pistons.....
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Originally Posted by ZeForce 9.96:1 with PR3 B16a/B18cR head 10.14:1 with P72 B18c head This is using a B20B8 with the PHK pistons..... Cool, thanks! Whats PHK pistons? Sorry, kinda noob.....
Originally Posted by Lerlo Cool, thanks! Whats PHK pistons? Sorry, kinda noob..... They are the pistons used in the B20B8 which will give you higher comp compared to the pistons used in the B20B3
i.e they are the name of the standard Honda B20B8 pistons. the B20B3 Honda pistons are stamped "P3F" see the stamp here: [IMG][/IMG]
B20VTEC - since 2002
tinker it says PH? but if it doees say P3F where.. i think im going blind
Here's a slightly better picture
he's showing u the PHK pistons from the b8, not the P3F from the b3. i was a lil confused at first too. lol
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Mmm intresting, thanks for the pic
Wow, thanks for the pictures!
Originally Posted by MikeyG tinker it says PH? but if it doees say P3F where.. i think im going blind lol!!! my bad! i didnt really set that post out too well eh? at least krayie understood my sunday morning posting FWIW here is a P3F stamped piston what was fly-cut by a head shop: here is a PHK that was hand cut with a Dremel by me:
oh, and see how the P3F is has a pronounced dish and the PHK is more flat? that is the difference between the B20B3 and the B20B8
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