7AFE oversize piston
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7AFE oversize piston
by normality78 » Thu Apr 19, 2007 1:33 am
does anyone out here know from which make model oversize car piston i can use for 7AFE? Be it low or high comp. "rumours" i heard 20V BT piston is 0.5mm bigger thn stock 7AFE piston. Anyone care to clarify?
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by Mr Revhead » Thu Apr 19, 2007 9:51 am
yeah as above.
iirc you need to do some calcs on the compression ratio as 4age 10.4:1 pistons do not = 10.4:1 in 7afe
iirc you need to do some calcs on the compression ratio as 4age 10.4:1 pistons do not = 10.4:1 in 7afe
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by normality78 » Fri Apr 20, 2007 5:11 am
ok. now its clear 4AGE piston same bore as 7AFE. So how about oversize piston? Any idea wat piston i can use?
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by normality78 » Fri Apr 20, 2007 4:11 pm
no_8wire wrote:How much oversize are you wanting to go?
Use a 0.5mm oversize 7afe piston from toyota?
yup. 0.5mm to be realistic. Toyota do have 0.5mm oversize piston for 7AFE? 7AFE stock is 81mm rite?
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