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K11 General Discussion
Individual Throttle Bodies, Wilder Cams!?
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<blockquote data-quote="Ihtisham Rauf" data-source="post: 780484" data-attributes="member: 29008"><p>I have read up on it a and finally have a much better understanding I think!</p><p></p><p>The 774's are</p><p>Timing Data Duration V/L V/C Cold F/L LATDC</p><p>Inlet Open 30 BTDC Close 62 ABDC 274 9.09mm 0.210mm 106 1.80mm</p><p>Exhaust Open 62 BBDC Close 30 ATDC 274 9.04mm 0.254mm 106 1.75mm</p><p></p><p>which I think means it takes 30deg to get to 1mm lift, then 106x2=212deg duration where the the valve is at least 1mm open, and then another 30deg to get valve from 1mm to completetly shut.</p><p></p><p>This means duration at 1mm is 272-30-30=212deg.</p><p></p><p>This is what I got from it, hope it helps the people who also didn't know. But if I am wrong, then please correct me as I don't want to give false information!</p><p></p><p>Still unsure on some of the other numbers so will need to research.</p><p></p><p>I have contacted the person I bought the 250deg 9mm inlet cam from, and asked him to give me the more detailed cam specs. So I can really compare the 774 cams to my existing setup.</p></blockquote><p></p>
[QUOTE="Ihtisham Rauf, post: 780484, member: 29008"] I have read up on it a and finally have a much better understanding I think! The 774's are Timing Data Duration V/L V/C Cold F/L LATDC Inlet Open 30 BTDC Close 62 ABDC 274 9.09mm 0.210mm 106 1.80mm Exhaust Open 62 BBDC Close 30 ATDC 274 9.04mm 0.254mm 106 1.75mm which I think means it takes 30deg to get to 1mm lift, then 106x2=212deg duration where the the valve is at least 1mm open, and then another 30deg to get valve from 1mm to completetly shut. This means duration at 1mm is 272-30-30=212deg. This is what I got from it, hope it helps the people who also didn't know. But if I am wrong, then please correct me as I don't want to give false information! Still unsure on some of the other numbers so will need to research. I have contacted the person I bought the 250deg 9mm inlet cam from, and asked him to give me the more detailed cam specs. So I can really compare the 774 cams to my existing setup. [/QUOTE]
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Individual Throttle Bodies, Wilder Cams!?
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