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Author Topic: JPM Heads ms 250/320?  (Read 7412 times)
drgouk
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« on: July 20, 2013, 21:36:16 pm »
Hello,
           Has anyone brought a new pair of the the ms250 or 320 heads? Any feedback?
Thanks

David Gouk
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Erlend / bug66
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« Reply #1 on: July 20, 2013, 21:51:27 pm »
There is a set of 250 in Norway. I think that motor has had it's cam run in, but no dyno yet, as far as I know.
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The '67:
10.626 @ 132mph, SCC 2016
10.407 @ 134mph, SCC 2017
10.221 @ 135mph, SCC 2018

The '59:
Not yet..
JS
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« Reply #2 on: July 20, 2013, 23:13:05 pm »
Just tested on the street, will dyno before Bug-Run Classic.
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Erlend / bug66
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« Reply #3 on: July 20, 2013, 23:25:02 pm »
I thought you might chip in Wink

How does is feel?  Smiley
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The '67:
10.626 @ 132mph, SCC 2016
10.407 @ 134mph, SCC 2017
10.221 @ 135mph, SCC 2018

The '59:
Not yet..
JS
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« Reply #4 on: July 20, 2013, 23:29:33 pm »
Fast.
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Erlend / bug66
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« Reply #5 on: July 20, 2013, 23:35:05 pm »
Nice answer  Grin
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The '67:
10.626 @ 132mph, SCC 2016
10.407 @ 134mph, SCC 2017
10.221 @ 135mph, SCC 2018

The '59:
Not yet..
pupjoint
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« Reply #6 on: July 21, 2013, 06:32:13 am »
what are the differences compare to the ms230?
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JS
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« Reply #7 on: July 21, 2013, 11:12:46 am »
Well, a lot of things I guess, but IŽm no expert. Different casting, manifolds, ports, valves, combustion chamber, etc.

I believe the redŽish panel van that Ian C wrenched on at EBI also has MS250s, maybe he could chime in with his experiences?
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Lee.C
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« Reply #8 on: July 21, 2013, 12:33:02 pm »
Oh didn't realize you'd moved up in the world Js - You need to take me out  Wink
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spoolin70
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« Reply #9 on: July 22, 2013, 07:02:51 am »
Big difference for me was 250/330 are 6 stud mounting, 230 are regular 4 stud.
All take 5 bolt rockers though.

Can't comment on performance yet, one head is in the loft, the other is being fettled after a repair.

Thanks
Darren
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Erlend / bug66
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« Reply #10 on: July 22, 2013, 09:22:47 am »
Think you can get 250 and possibly 330 in 4 stud:
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The '67:
10.626 @ 132mph, SCC 2016
10.407 @ 134mph, SCC 2017
10.221 @ 135mph, SCC 2018

The '59:
Not yet..
spoolin70
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« Reply #11 on: July 22, 2013, 13:05:22 pm »
Apologies, my mistake. It it right that you can't get 230 in 6 stud though ?
I stepped up to 250 purely to make the most of the 6 stud mounting.
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Erlend / bug66
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« Reply #12 on: July 22, 2013, 20:08:42 pm »
Nothing is impossible. It could cost you some more money though Smiley
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The '67:
10.626 @ 132mph, SCC 2016
10.407 @ 134mph, SCC 2017
10.221 @ 135mph, SCC 2018

The '59:
Not yet..
UltraOrange67-2443
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Posts: 1034
« Reply #13 on: July 26, 2013, 22:05:11 pm »
Nice  Grin
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1967 1200 2920cc EFI
JS
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« Reply #14 on: July 31, 2013, 20:03:18 pm »
Dyno results are in: http://cal-look.no/lounge/index.php/topic,19995.0.html
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