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Thread: Question about 2.0 heads
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02-20-2020, 09:02 PM #1Member
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Question about 2.0 heads
I’m being told my 135 Merc is a 2.0. I was Searching for a set of performance heads for it.. all the heads I’m finding doesn’t have the holes for the dial pins. My heads have dial pin holes. How would I find Heads for my
motor?
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02-20-2020, 09:09 PM #25000 RPM
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I might have a Set.
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02-20-2020, 09:11 PM #3Member
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Is this normal? 2.0s don’t have dial pins? Or is it a certain HP?
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02-20-2020, 09:12 PM #4ok.. '91 up 2.0/2.4/2.5 all have dowel pins.. what kinda comp do you have now with stock heads?
do you have an oem manual?.. if not send me an email addy and i'll send ya pdf that covers justa bout all '92 up 2.0/2.5's....
Last edited by tlwjkw; 02-20-2020 at 09:16 PM.
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02-20-2020, 09:14 PM #5Member
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110 on all 6. I pulled Them tonight to have the cut.. just weighing my options.
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02-20-2020, 09:16 PM #6Member
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My plan was to have them cut 20 thousands... debating on using stock gaskets or .75s
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02-20-2020, 09:17 PM #7
don't remember 2.0? does it have relief slots?
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02-20-2020, 09:18 PM #8Member
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My carbs are WMH 12Bs is there a better carb I can Find to get more performance?
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02-20-2020, 09:19 PM #9Member
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How would I know? Where would they be?
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02-20-2020, 09:22 PM #10
slight "notch" at top of cylinder on exhaust side.. maybe 1/2" wide and 1/2" tall?
they are referred to as "exhaust relief slots"..Last edited by tlwjkw; 02-20-2020 at 09:25 PM.
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02-20-2020, 09:26 PM #11Member
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02-20-2020, 09:34 PM #12
yes they do.. see tha little notch in tha sleeve?.. that would make crankin' compression ya see justa a tad low but tolerable..
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02-20-2020, 09:34 PM #13Member
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I’m guessing that’s what your talking about?
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02-20-2020, 09:36 PM #14Member
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Well my gaskets was history.. they looked pretty bad. I guess I’ll cut the heads and put new gaskets on.. that should help my compression a little.
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02-20-2020, 09:38 PM #15Member
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The motor runs awesome.. pushes a 18.5 stratos 55 mph.. not bad at all for what it is. I just Want a little more.. 3-4 mph I’d be happy
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