Extrudehone?
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Hello all,
I just joined the forum and have enjoyed reading the many threads on performance mods and etc. I've got a 2008 mercury metallic ISF.
I'm considering the Joe Z exhaust and intake. Has anyone considered getting and extrude hone of their intake? Any pros or cons?
Thanks,
Tom
I just joined the forum and have enjoyed reading the many threads on performance mods and etc. I've got a 2008 mercury metallic ISF.
I'm considering the Joe Z exhaust and intake. Has anyone considered getting and extrude hone of their intake? Any pros or cons?
Thanks,
Tom
#2
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Extrude honing should never be used on intake manifolds or cylinder heads. The abraisive medium removes the same amount of material from all surfaces it comes into contact with. When porting intakes/heads, whatever, you want to remove material from some places, leave it alone in others, and in some cases add material (welding, epoxy) in others.
If you're running FI (forced induction) you won't lose as much power as you will N/A using extrude honing since the blower/turbo supplies all the velocity. EH'ing a N/A top end is essentially suicide as far as performance goes, kiss low end and midrange goodbye.
The only thing I've seen EHing really work on is porting OEM exhaust manifolds--just buy headers and you'll be a lot better off.
If you're running FI (forced induction) you won't lose as much power as you will N/A using extrude honing since the blower/turbo supplies all the velocity. EH'ing a N/A top end is essentially suicide as far as performance goes, kiss low end and midrange goodbye.
The only thing I've seen EHing really work on is porting OEM exhaust manifolds--just buy headers and you'll be a lot better off.
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Sorry, been traveling for the past few weeks. We still need a donor IS-F to get started. I've had maybe a half dozen people expressing interest but no solid commitments as of yet.
Thanks
Andy
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I would if mine wasn't a daily driver =(, I'd send ya mine..
Last edited by verals05; 03-25-09 at 01:58 PM.
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