intake mfld January 12, 2012 07:09AM
By putting on the big ih intake (1815307 ci), is the gain worth the effort over stock? I have stock 436, 13mm, .093,
columbus injectors, 3LM. I'm thinking about swiching to A or P pump. What would work best for that motor and what
fuel setting? (cc's). really appreciate the info, thankyou.

Re: intake mfld January 12, 2012 08:54AM
If you're staying with 3lm keep stock manifold on. I tried big manifold 2 pulls and it would fall on its face at about 250 mark, 30 or 40 feet short of rest of class. Not moving enough air for big manifold.

Re: intake mfld January 12, 2012 10:18AM
Would one of those spacers be more benifit in this ap ?

Re: intake mfld January 13, 2012 05:43PM
I would like to know about the intake spacer. Does it just move the intake back to gain volume or is it made to direct the air into the intake ports to give a better flow instead of just a blunt opening? If it one where it directs the air into the ports where can u get one and how much are they.

Re: intake mfld January 14, 2012 03:40AM
they say the dual fed IH dozer intakes with a spacer is 25-35 hp on the dyno

Re: intake mfld January 14, 2012 05:04AM
which dyno did u see that on?? if there so good how come no sf have them on? I have never tried one

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