AI 218 CNC Vs. AI 226 CNC
04-04-2012, 09:23 AM
#21
Both tend to gain from low in the RPM range over a stock head - I've yet to see either lose anything in the ranges guys do pulls in, which is typically 2000-2500 or so and up. The full CNC work tends to gain 4Xrwhp over the as cast 243 vs. about 10-15hp less for the 218cc partial CNC work.
Tran - be careful if the calibration is that far off running it under heavy load.
Hope that helps; thanks for your interest!
-Phil
Tran - be careful if the calibration is that far off running it under heavy load.
Hope that helps; thanks for your interest!
-Phil
04-04-2012, 09:34 AM
#22
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heads Both tend to gain from low in the RPM range over a stock head - I've yet to see either lose anything in the ranges guys do pulls in, which is typically 2000-2500 or so and up. The full CNC work tends to gain 4Xrwhp over the as cast 243 vs. about 10-15hp less for the 218cc partial CNC work.
Tran - be careful if the calibration is that far off running it under heavy load.
Hope that helps; thanks for your interest!
-Phil
Tran - be careful if the calibration is that far off running it under heavy load.
Hope that helps; thanks for your interest!
-Phil
04-04-2012, 05:55 PM
#24
Both tend to gain from low in the RPM range over a stock head - I've yet to see either lose anything in the ranges guys do pulls in, which is typically 2000-2500 or so and up. The full CNC work tends to gain 4Xrwhp over the as cast 243 vs. about 10-15hp less for the 218cc partial CNC work.
Tran - be careful if the calibration is that far off running it under heavy load.
Hope that helps; thanks for your interest!
-Phil
Tran - be careful if the calibration is that far off running it under heavy load.
Hope that helps; thanks for your interest!
-Phil
04-04-2012, 06:48 PM
#25
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The extra $200 for the 226cc head seems well worth the extra work.
I'm not positive on this, but I doubt you could send the heads back in the future, and have the remaining "226cc" work done for the same $200
Save up for another month or so.
Do it once, do it right.
I'm not positive on this, but I doubt you could send the heads back in the future, and have the remaining "226cc" work done for the same $200
Save up for another month or so.
Do it once, do it right.
04-04-2012, 08:25 PM
#26
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I even went one step further and went with the AI 219 HCR. I have the 230, 238 113 cam. It drives great, I can lug the car again, easy to take off from a stop. May want to check this option also.
