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| The Pub For General Automotive Related Talk |
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Yesterday, 04:23 PM
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FF.Com.Au Hardcore
Join Date: May 2006
Posts: 1,096
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The above is for my XM.
Recommendations please. Either one will be performance enhanced. I am aware of additional safety requirements for the larger horsepower engine. On another issue...Is one easier than the other for "Engineer's" certification?. In victoria. |
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Yesterday, 05:22 PM
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FF.Com.Au Hardcore
Join Date: Jun 2010
Posts: 1,271
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Quote:
My understanding is with an Alloy Head Engine you have to modify the car so that it meets all the emission regulations at the time when the Engine was manufactured. Adding all the equipment is a lot of work. Last edited by EBSXR6; Yesterday at 05:29 PM. |
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Yesterday, 06:06 PM
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#3 | ||
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FF.Com.Au Hardcore
Join Date: Jan 2010
Posts: 11,156
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The yanks now make an alloy head for the early non-cross flow I-6,
If you were to go this route, then the emissions stay as per the earlier engines… https://www.motortrend.com/how-to/18...inders/photos/ 
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250 2V or 250 Xflow with alloy head?
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