Cylinder head mods
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You will need a tune to maximize output.. I doubt it would do anything except throw a code without a tune. I haven't tried it so my opinions only based on my discussions with knowledgeable ones. Basically, if you are making changes that actually make an appreciable difference, ie enough to produce more power, you need a tune. Charlie said that once.
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1,288 Posts
boosted 2.0 can port and polish anything you throw at him, and for tuning im pretty sure charliex can handle anything you throw at him too
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Not much to be gained with a port/polish. Expensive for little, if any, gains.
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I heard the same info a while back. After looking at a stock head I agreed there wasn't much to be gained. However, I recently saw some flow numbers
before and after porting. There was a nice increase. The ported head also produced more hp on a dyno. The info was from someone I trust so it has me thinking.
:shrug:
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6,306 Posts
+ 1 to Jim.
I had heard what Maine said before from Gary at MWR, but then heard that Boosted and Kris both have had some good success with porting...
Taking their word for it that the porting is helping the head flow and unleashes some power, then it's a good mod even for a blown engine. More NA power is a good thing! It will still need tuning and Charles in Charge of that for the OEM ECU...
Best,
Phil
thanx for all your prompt reply guys, appreciate it very much. i'm changing my clutch/flywheel that's why i was planning to do some head mods while the engine is out. i have a bwr sc for 8 months now and i'm wondering with the port/polish if it will throw my a/f ratio way off that i'll need a custom tune for it? thanx everyone and i'm ready for power upgrade Phil.
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6,306 Posts
Cool, Happy to help. Just gimme a ring/email/PM when you're ready and I'll be happy to help...
Good luck!
Phil
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11,221 Posts
Hey, I'm ready too. Call me!
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The hardware is all done. He's just waiting on the re-flash to be completed. So if you have an EFI or intend on a customized tune, you can buy it now.
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No prob... Better to ask than to appear like a dummy like I do 
It's a standalone ECU that replaces the factory ECU. It allows you to completely customize your tune and various settings by yourself. Has a ton of features.
It's a standalone ECU that replaces the factory ECU. It allows you to completely customize your tune and various settings by yourself. Has a ton of features.
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11,221 Posts
I don't have one, but many do. Turbophil for one :up:
What do you mean by "what brands"? EFI is the brand. Sorry if I wasn't clear, or maybe I'm not understanding.
How hard is it to tune in terms of what? I haven't used one, so I won't comment.
What do you mean by "what brands"? EFI is the brand. Sorry if I wasn't clear, or maybe I'm not understanding.
How hard is it to tune in terms of what? I haven't used one, so I won't comment.
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2,731 Posts
...i thought EFI piggybacked the lotus ECU, not replaced...
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11,221 Posts
Nope. It's a standalone.
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822 Posts
I strongly disagree, especially with the new intake manifold.
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