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[GMCnet] Intake Manifold, Low-profile, Stock, or Aluminum? [message #105505]

Tue, 09 November 2010 00:59

980

Messages: 192
Registered: July 2010
Location: United States

Karma:

Senior Member

Well, the saga continues, but more serious testing reveals that after
about 10-15 miles of warm up, there's a miss. But it's not consistently
on the same cylinders. The miss moves around. We're suspicious of the
intake manifold. Something may have happened to it after we'd gotten
the crud off of the bottom of it and blocked the exhaust crossover. It
worked great for about a day and a half afterwards. Lots of power, felt
great. We took a trip to the coast to get our pumpkin and the next day
started having power issues and pinging.

Here's the question. We have a full-height intake on there now and a
raised section in the floor for it. I wouldn't mind having a flat one.

What are the advantages of a low profile versus a high-profile intake?

Is a new aluminum one, (Rockwell?) a big enough improvement to justify
the $600?

What would you do/have you done?

Thanks,

DC

--
1977 GMC ex-Palm Beach, 26-3
Treasure Island, CA
KC6VHG, KAG0675 "980"

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[Message index]

		[GMCnet] Intake Manifold, Low-profile, Stock, or Aluminum? By: 980 on Tue, 09 November 2010 00:59
		Re: [GMCnet] Intake Manifold, Low-profile, Stock, or Aluminum? By: WD0AFQ on Tue, 09 November 2010 13:47
		Re: [GMCnet] Intake Manifold, Low-profile, Stock, or Aluminum? By: GeorgeRud on Tue, 09 November 2010 14:05
		Re: [GMCnet] Intake Manifold, Low-profile, Stock, or Aluminum? By: 980 on Tue, 09 November 2010 14:17
		Re: [GMCnet] Intake Manifold, Low-profile, Stock, or Aluminum? By: Ken Burton on Tue, 09 November 2010 14:30
		Re: [GMCnet] Intake Manifold, Low-profile, Stock, or Aluminum? By: James Hupy on Tue, 09 November 2010 14:48
		Re: [GMCnet] Intake Manifold, Low-profile, Stock, or Aluminum? By: 980 on Tue, 09 November 2010 16:44
		Re: [GMCnet] Intake Manifold, Low-profile, Stock, or Aluminum? By: James Hupy on Tue, 09 November 2010 17:11
		Re: [GMCnet] Intake Manifold, Low-profile, Stock, or Aluminum? By: ljdavick on Tue, 09 November 2010 17:36
		Re: [GMCnet] Intake Manifold, Low-profile, Stock, or Aluminum? By: kelvin on Tue, 09 November 2010 17:41
		Re: [GMCnet] Intake Manifold, Low-profile, Stock, or Aluminum? By: ljdavick on Tue, 09 November 2010 17:46
		Re: [GMCnet] Intake Manifold, Low-profile, Stock, or Aluminum? By: Ken Burton on Tue, 09 November 2010 21:22
		Re: [GMCnet] Intake Manifold, Low-profile, Stock, or Aluminum? By: jimk on Tue, 09 November 2010 22:14
		Re: [GMCnet] Intake Manifold, Low-profile, Stock, or Aluminum? By: mike miller on Tue, 09 November 2010 23:14
		Re: [GMCnet] Intake Manifold, Low-profile, Stock, or Aluminum? By: Gerald Wheeler on Tue, 09 November 2010 18:25
		Re: [GMCnet] Intake Manifold, Low-profile, Stock, or Aluminum? By: Ken Burton on Tue, 09 November 2010 20:52

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