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[ 11 posts ] |
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Barroll
MMT F.E.
Joined: Fri Jan 15, 2010 10:19 am
Posts: 932
Location: Georgia
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 New Mods, Now what RPMs? So im in the middle of installing IM heads and a BPS cam, will finish it up tomorrow, on my 35 mudbuddy. Question is, what should i set my rpm's at now. Im running a 12.25 bigblade with a 1854 uncle-j hull. I know i just need to get my GPS and figure out what rpm it performs best at, but what should i set my out of water WOT? With the bps cam can the idle be taken down to around 1000 or so?
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1848 Prodigy
35 GTR
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| Thu Aug 11, 2011 7:11 pm |
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OwenDickeson
MMT Elite Member
Joined: Wed Mar 11, 2009 12:45 pm
Posts: 9869
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Re: New Mods, Now what RPMs? Mine idles around 800
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| Thu Aug 11, 2011 7:12 pm |
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Team Camo
MMT Sponsor
Joined: Thu Oct 01, 2009 4:49 pm
Posts: 8536
Location: Bridge City, TX
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Re: New Mods, Now what RPMs? I'd set the OOW WOT no higher than 4400. Even though the IM heads have the valve springs shimmed, you're still running stock pistons & rods. Supposedly they're only good up to 4500. I personally wouldn't chance it, just me.
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1846 GTB & 35 GTR
Team Gator-Tail
Killer Kallz & ANGLE PORT dealer
(409) 720-8949
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| Thu Aug 11, 2011 7:16 pm |
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Barroll
MMT F.E.
Joined: Fri Jan 15, 2010 10:19 am
Posts: 932
Location: Georgia
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Re: New Mods, Now what RPMs?
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1848 Prodigy
35 GTR
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| Thu Aug 11, 2011 7:24 pm |
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Team Camo
MMT Sponsor
Joined: Thu Oct 01, 2009 4:49 pm
Posts: 8536
Location: Bridge City, TX
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Re: New Mods, Now what RPMs?  Maybe ya should get duals then.
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1846 GTB & 35 GTR
Team Gator-Tail
Killer Kallz & ANGLE PORT dealer
(409) 720-8949
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| Thu Aug 11, 2011 7:27 pm |
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deadbird8
MMT 1000 Club
Joined: Wed Feb 04, 2009 7:50 pm
Posts: 3833
Location: Old East Dallas, Texas
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Re: New Mods, Now what RPMs? You are good up to 4500. Set idle where its steady and you get crisp response on throttle up ~1000->1100. A CDI will idle much lower (800ish) than stock coils.
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Excel 1851F4 w/ MB35HD+R CDI with a little bit of this and little bit of that
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| Thu Aug 11, 2011 8:18 pm |
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dfou
MMT 1000 Club
Joined: Sun Dec 12, 2010 12:38 am
Posts: 3986
Location: Pville, La
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New Mods, Now what RPMs? As far as rev limiters, do they make a 4500? Or is it 4350 then 4650?
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| Thu Aug 11, 2011 8:21 pm |
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Barroll
MMT F.E.
Joined: Fri Jan 15, 2010 10:19 am
Posts: 932
Location: Georgia
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Re: New Mods, Now what RPMs?
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1848 Prodigy
35 GTR
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| Thu Aug 11, 2011 8:23 pm |
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Snowbird
MMT Pro Member
Joined: Sat Aug 08, 2009 12:44 am
Posts: 91
Location: Salt Lake City, Ut 84121
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Re: New Mods, Now what RPMs?
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23 MB mini w/ IM heads, BPS rockers/rods and gutted exhaust on a rivited 1648 crestliner.
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| Thu Aug 11, 2011 9:07 pm |
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nickb
MMT Member
Joined: Mon Dec 06, 2010 8:55 am
Posts: 7
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Re: New Mods, Now what RPMs? i been running WOT in water around 4280rpms-4300rpms never had any problems yet
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| Mon Aug 15, 2011 5:32 am |
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fowl habbit
MMT 1000 Club
Joined: Sat Jan 16, 2010 1:52 pm
Posts: 1130
Location: THE ONE AND ONLY BUFFALO COUNTY
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Re: New Mods, Now what RPMs? I run mine around 4400 hace close to 75 hrs with the cam and over 100 with the heads no problems yets
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| Mon Aug 15, 2011 6:22 am |
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