Summit intake manifolds. - Ford Mustang Forum
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post #1 of 7 (permalink) Old 01-13-2018 Thread Starter
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Summit intake manifolds.

Does anyone have any experience with the summit intake manifolds? I'm going to change my 2bbl to 4bbl.

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post #2 of 7 (permalink) Old 01-13-2018
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I suspect they are Chinese made like most of their other no-name brand products. An intake IMHO, is not the one to mess with especially on your engine where it plays a critical part in engine performance, etc.

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post #3 of 7 (permalink) Old 01-14-2018
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I've heard that a lot of these have bad core shift, and on some, the mating surfaces aren't even flat, so no matter what you do, they won't mate with your heads properly. Probably just luck of the draw as to whether you get a good one.

There are a lot of really good manifolds out there that wouldn't be a crap-shoot. Saving yourself $50 or $75 to get something that may not work at all, vs. spending the money for the 'real deal' and getting a Stealth or RPM? I know which way I'd go. If you want to save money, see if you can find one used.

Summit has lots of good products, and some are their own 'no name' things. Intakes though, I have not heard good things about.
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post #4 of 7 (permalink) Old 01-14-2018
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also...an fyi...if your heads have been milled, you need most likely to have the intake manifold surfaced as well (depending on how much the heads have been milled) in order for the ports to line up correctly as far as the mating surfaces go......you current intake manifold should be checked for resurfacing and will indicate if you need to assess this for your new intake.

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post #5 of 7 (permalink) Old 01-14-2018 Thread Starter
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Originally Posted by Beechkid View Post
also...an fyi...if your heads have been milled, you need most likely to have the intake manifold surfaced as well (depending on how much the heads have been milled) in order for the ports to line up correctly as far as the mating surfaces go......you current intake manifold should be checked for resurfacing and will indicate if you need to assess this for your new intake.
Thanks for all the good info.

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post #6 of 7 (permalink) Old 01-15-2018 Thread Starter
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Pretty stock engine. Would like to do some upgrade in future maybe headers, mild cam, gt40 heads. Car is a cruiser. Would you recommend performer or performer rpm.

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post #7 of 7 (permalink) Old 01-15-2018
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The performer's a mild upgrade from stock, and it's a fine intake - but the RPM is absolutely amazing. Given that you've got plans for future upgrades, I think the RPM would support you better, and it will be fine with what you have, too.

The Weiand Stealth is also an excellent choice, and for the same reason.
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