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MP112 cam?

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Old Jan 8, 2013 | 04:06 PM
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Originally Posted by hellbents10
I agree with you Martin, sort of what GM and LPE do with there positive displacement blower cams. My 224 cam was not ideal but it was in there and better then the stocker.

You can have some chop even with only 220* and some negative overlap. My 224 cam checked in with -4 but all you have to do is pull the timing at idle and she will chop.
So Martin's cam would be a good choice for me? Would it work ok with stock heads? Upgrade the springs and rods is obvious, or will I need new heads?
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Old Jan 8, 2013 | 04:32 PM
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Originally Posted by hellbents10
I agree with you Martin, sort of what GM and LPE do with there positive displacement blower cams. My 224 cam was not ideal but it was in there and better then the stocker.

You can have some chop even with only 220* and some negative overlap. My 224 cam checked in with -4 but all you have to do is pull the timing at idle and she will chop.
I had a whim that you were in a round about way saying the same thing I was. You got all the tuning knowledge though on these set-ups, I'm just an ant to a giant in that regard!
Originally Posted by hellbents10
Oh Martin, my cam was installed with a 110 ICL.
It seemed to work well!
Originally Posted by 98 MECHAM TA
So Martin's cam would be a good choice for me? Would it work ok with stock heads? Upgrade the springs and rods is obvious, or will I need new heads?
If I had my choice to choose a cam for your engine it would be one of my positive displacement cams, but that said since you asked about the two cams you brought up, I still think the Stage One would work just fine. It would give you a little more burble/lope at idle also.

I have a 222/240 118+4 and a 230/248 119+5 for positive displacement cams.
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Old Jan 8, 2013 | 04:40 PM
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not trying to hijack the thread but it's a little off track. With a small positive displacement blower like the mp112 do you want your gearing to be on the taller side to take advantage of the low rpm torque?
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Old Jan 8, 2013 | 04:52 PM
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Originally Posted by mike13
not trying to hijack the thread but it's a little off track. With a small positive displacement blower like the mp112 do you want your gearing to be on the taller side to take advantage of the low rpm torque?
I think that's the general idea, I was planning on staying with my factory gear or maybe a 372 at most. I have a M6.
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Old Jan 8, 2013 | 05:03 PM
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Originally Posted by Martin@Tick
I had a whim that you were in a round about way saying the same thing I was. You got all the tuning knowledge though on these set-ups, I'm just an ant to a giant in that regard!

It seemed to work well!

If I had my choice to choose a cam for your engine it would be one of my positive displacement cams, but that said since you asked about the two cams you brought up, I still think the Stage One would work just fine. It would give you a little more burble/lope at idle also.

I have a 222/240 118+4 and a 230/248 119+5 for positive displacement cams.
So will the stage one help me better to reach my 500hp goal, or should I go with a positive displacement cam. I do love the sound of a cam, but if a little chop/blurp is going to ruin my power goal I can let it go. All you guy's at Tick have not let me down, so I trust what you suggest!
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Old Jan 9, 2013 | 07:50 AM
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I would like to see what the smaller of the two does with the 112, I think it would make some good power.
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Old Jan 9, 2013 | 03:07 PM
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Originally Posted by 98 MECHAM TA
So will the stage one help me better to reach my 500hp goal, or should I go with a positive displacement cam. I do love the sound of a cam, but if a little chop/blurp is going to ruin my power goal I can let it go. All you guy's at Tick have not let me down, so I trust what you suggest!
I could possibly work up a custom grind for you that still kept the overlap in check, but gave you that little bit of lope that you would like.
Originally Posted by hellbents10
I would like to see what the smaller of the two does with the 112, I think it would make some good power.
I do too, but we got to make em' all happy somehow LOL!

BTW I called you Dave in one of my other posts....sorry TJ!
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Old Jan 11, 2013 | 08:48 AM
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Well, I guess that settles it. I will go with the stage one. What heads would you recamend for this settup? Or will my factory heads be able to handle my needs?

Thanks
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Old Jan 11, 2013 | 09:40 AM
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here's 2 patg cams for a whipple 2.9
218-238 119
222-242 118
both on LXL lobes also ls3 heads
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Old Jan 11, 2013 | 09:45 AM
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Originally Posted by 98 MECHAM TA
Well, I guess that settles it. I will go with the stage one. What heads would you recamend for this settup? Or will my factory heads be able to handle my needs?

Thanks
I think a set of ported heads or aftermarket heads would be better than factory, but that said you can get make pretty good power without them.
Originally Posted by 94 guy
here's 2 patg cams for a whipple 2.9
218-238 119
222-242 118
both on LXL lobes also ls3 heads
Looks right on the money, Patrick is very well versed in any set-up.
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Old Jan 11, 2013 | 10:12 AM
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martin, how much power diff would you say between the 2 cams i listed? also what do you think there worth power wise to the wheels?
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Old Jan 11, 2013 | 04:24 PM
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Originally Posted by 94 guy
martin, how much power diff would you say between the 2 cams i listed? also what do you think there worth power wise to the wheels?
If I could guess which this is a guess since I haven't seen either of those cams on our dyno, I'd say 10-15rwhp MAX.

Last edited by Sales@Tick; Jan 11, 2013 at 04:34 PM.
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Old May 18, 2017 | 12:43 PM
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Default Mp112 rotor knock or slap with a cam

Originally Posted by 98 MECHAM TA
Lol, yeah I bet they do. What kind of idle can I expect with the stage 1 cam? I know I cant have a hard hitting cam, but I would like some kind of chop to it. Would this cam do that for me? I also figured that it would help out a little up top when the MP112 starts to run out of steam.
I know this is an old thread, but did you ever do the cam swap? Did you experience rotor knock or slap at idle with the MP112?
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