JLaw
Jr. Member
Posts: 88
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« on: February 05, 2014, 01:04:31 am » |
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Hi,
I have a question regarding rocker selection. I would love to use the JPM 5 bolt rockers and shaft but my budget wont allow just yet. I was interested in the new Pauter 1.4:1 rockers as advertised on the CSP site. Has anyone used these in conjunction with the JPM heads, any drawbacks? Berg rockers were also an option but would only really want an unused or reconditioned set..
Any thoughts appreciated.
Cheers.
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T11964
Jr. Member
Posts: 63
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« Reply #1 on: February 05, 2014, 06:54:42 am » |
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You can use what rockers you choose , as the heads are made for normal 2 stud setup or JPM 5 stud . A Finnish guy makes rockerblocks and shafts for Pauterrockers , for using 5 stud setup. Needs a little clearence off the blocks to rockers but else ok. ( can't remember his name) .
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Ragtop
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« Reply #2 on: February 05, 2014, 13:19:48 pm » |
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I would say if you are going to spend the money on the heads save up and spend the extra money on the rockers. They are really good.
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Turbo Town "Home of the overboost addicts"
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spoolin70
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« Reply #3 on: February 05, 2014, 14:56:46 pm » |
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JS
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« Reply #4 on: February 05, 2014, 15:54:34 pm » |
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At what point/rev range are the 5 bolt JPM's really needed apposed to the regular 2 bolt ?
I think that's a matter of definition. It's not like you pass a certain rpm and your engine bursts into flames if you use 2-bolt rockers. However, using a 5 bolt setup will provide a much more stable valvetrain - and that's a good thing, especially when talking about a boxer engine. |
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Signature.
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Shag55
Full Member
Posts: 220
Shag Leone, SL-1racing
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« Reply #5 on: February 05, 2014, 22:43:53 pm » |
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5 bolt set up is the way to go. I love the Pauters but for long life I'd go for the JPMs as the forged rockers don't fatigue like aluminum.
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JLaw
Jr. Member
Posts: 88
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« Reply #6 on: February 06, 2014, 01:01:23 am » |
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Maybe bergs with a 5 bolt shaft would be as good? I need to get the engine together and have lots of other expenses so the JPMs will have to wait as much as I would love them. So basically what everyone is saying is nothing comes close to the JPM rockers..
Cheers.
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neil68
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« Reply #7 on: February 06, 2014, 04:04:12 am » |
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I've been using the Scat 1.4 two-bolt rocker arm kit for three years on my MS230 heads without issue. Started with JPM springs and now have CB VW650 dual springs. Rev limiter is only set at 7900 for racing for now.
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JLaw
Jr. Member
Posts: 88
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« Reply #8 on: February 07, 2014, 10:52:30 am » |
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I got a reply direct from Pauter and they don't think their rockers work on the MS230 heads? I'm sure I have seen people running them.
If you have the details of the Finnish manufacturer that is making the 5 bolt shafts I would be interested.
Cheers.
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spoolin70
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« Reply #10 on: February 07, 2014, 17:54:34 pm » |
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What was the reason for the pauters not working ? I remember us talking about shaft size and something not fitting but that might have been a different conversation entirely  |
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UltraOrange67-2443
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« Reply #11 on: February 10, 2014, 18:11:17 pm » |
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I will hopefully check this week  I've got Pauter 1.5:1 roller rockers for my MS 250 Heads. |
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1967 1200 2920cc EFI
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UltraOrange67-2443
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« Reply #12 on: February 16, 2017, 22:19:16 pm » |
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May get round to this tomorrow  |
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1967 1200 2920cc EFI
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spoolin70
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« Reply #13 on: February 17, 2017, 18:37:18 pm » |
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You missed the anniversary by 6 days  |
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UltraOrange67-2443
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« Reply #14 on: February 17, 2017, 22:21:33 pm » |
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You missed the anniversary by 6 days  How time flies! |
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1967 1200 2920cc EFI
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Nikov
Jr. Member
Posts: 74
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« Reply #15 on: February 18, 2017, 10:47:40 am » |
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You missed the anniversary by 6 days How time flies! Tempus fugit en veritas! |
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mikko k
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« Reply #16 on: February 18, 2017, 19:15:51 pm » |
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MS230 + Pauter 1,5:1 rockers + finnish rockerblocks.
[ Attachment: You are not allowed to view attachments ]
[ Attachment: You are not allowed to view attachments ]
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« Last Edit: February 18, 2017, 19:20:31 pm by mikko k »
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UltraOrange67-2443
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« Reply #17 on: February 18, 2017, 23:15:09 pm » |
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You missed the anniversary by 6 days How time flies! Tempus fugit en veritas! Say what  |
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1967 1200 2920cc EFI
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UltraOrange67-2443
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« Reply #18 on: March 19, 2017, 13:41:02 pm » |
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MS230 + Pauter 1,5:1 rockers + finnish rockerblocks.
[ Attachment: You are not allowed to view attachments ]
[ Attachment: You are not allowed to view attachments ]
Who makes the rocker blocks? I'm having to modify my rockers to fit the MS250 Heads, this may make it easier! |
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1967 1200 2920cc EFI
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drgouk
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« Reply #19 on: March 22, 2017, 00:17:19 am » |
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Hi Nick,
If Johannes will sell you his shafts and blocks, you can use the New style bushless Pauter rockers. I will post pics of my set up.
Regards
David
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