Calculating compression ratio..., on a 1.7 with popups. |
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Calculating compression ratio..., on a 1.7 with popups. |
BMXerror |
Apr 13 2008, 09:14 PM
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#1
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Senior Member Group: Members Posts: 1,705 Joined: 8-April 06 From: Hesperia Ca Member No.: 5,842 |
Anyone know the CCs of 1.7 heads and the bump on the Euro pistons? I am coming down to the wire on my build and need to know if the deck height needs to be changed at all. This info or any related info would be great. Thanks guys.
Mark D. |
toon1 |
Apr 14 2008, 10:01 AM
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#2
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Senior Member Group: Members Posts: 1,849 Joined: 29-October 05 From: tracy,ca Member No.: 5,022 |
I have the same combo.
If memory serves, the heads where 56cc, DH was .038, compression was 8.2:1 The bump on the piston is 3cc basically this is a euro spec motor, the US engine( 3cc dish) was 7.1 euro spec( raised to pistons) 8.1 What cam are you using? BTW- you will notice a big difference with the higher comp. pistons Keith |
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