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Prowagen
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« on: November 24, 2007, 15:34:22 pm » |
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Anyone run any setups with these items? There never seems to be much about them, its it because they are not very cost effective and better results are found with more stock based components??
Cheers,
Rob.
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richie
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« Reply #1 on: November 24, 2007, 22:02:57 pm » |
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Hi Rob
Heads are a PITA,case is good.lots of people having success with them,
cheers richie,uk
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Cars are supposed to be driven, not just talked about!!! Good parts might be expensive but good advice is priceless  |
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Prowagen
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« Reply #2 on: November 26, 2007, 00:14:49 am » |
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Whats the deal with the heads? are they leaky?
Cheers,
Rob
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Prowagen
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« Reply #3 on: November 29, 2007, 22:10:54 pm » |
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anymore for anymore?
Whats the deal with the Split ports?
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n2o
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« Reply #4 on: December 04, 2007, 15:54:27 pm » |
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I use to run Split heads, an the set is up for sale....
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9.88 @ 134.25 mph
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Fastbrit
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« Reply #5 on: December 04, 2007, 16:06:09 pm » |
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A major problem with the heads was that the valves would seize due to insufficient oiling. The only person I know who got them to work in the UK was John Brewster who added an oil spray-bar inside the rocker covers to spray oil directly onto the valve stems. They were a great idea (a damaged head could easily be replaced, for example) but were never developed to their full potential. I believe that Scat was looking at the aviation market when they developed the split-port heads.
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benssp
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« Reply #6 on: December 04, 2007, 16:22:06 pm » |
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Bernie and Travis both run killer cases  |
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Prowagen
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« Reply #7 on: December 07, 2007, 21:16:00 pm » |
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I use to run Split heads, an the set is up for sale....
Did you have any problems running the Split Port heads??? |
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Prowagen
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« Reply #8 on: December 07, 2007, 21:18:35 pm » |
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A major problem with the heads was that the valves would seize due to insufficient oiling. The only person I know who got them to work in the UK was John Brewster who added an oil spray-bar inside the rocker covers to spray oil directly onto the valve stems. They were a great idea (a damaged head could easily be replaced, for example) but were never developed to their full potential. I believe that Scat was looking at the aviation market when they developed the split-port heads.
Was Brewster running dry or wet sump?? Would it make any difference running a dry sump setup, ie could you incorporate better oiling of the valves? Possibly looks like conventional heads are the best way. |
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Martin
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« Reply #9 on: December 07, 2007, 22:39:25 pm » |
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Bernie and Travis both run killer cases Travis's is an Autocraft case. I do like the split port heads, always wanted a set. |
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Martin 9 sec street car, its just simply not fast enough Swing axle to CV convertion is on the website now www.taylormachine.co.ukOFF/500 |
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71CALRIPPER
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« Reply #10 on: December 08, 2007, 17:18:19 pm » |
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Get yourself a cheap set + a low stress engine for a good daily motor . Works out pritty cheap !
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Martin
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« Reply #11 on: December 09, 2007, 23:13:49 pm » |
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Get yourself a cheap set + a low stress engine for a good daily motor . Works out pritty cheap !
loe stress engine..... nah thats not me at all........ HI CR screaming motor, thats more like it! |
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Martin 9 sec street car, its just simply not fast enough Swing axle to CV convertion is on the website now www.taylormachine.co.ukOFF/500 |
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Fastbrit
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« Reply #12 on: December 10, 2007, 09:38:20 am » |
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Give me a low stress woman and a motor that screams over a woman that screams and a low stress motor... |
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Martin
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« Reply #13 on: December 10, 2007, 11:14:32 am » |
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Give me a low stress woman and a motor that screams over a woman that screams and a low stress motor... LMAO |
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Martin 9 sec street car, its just simply not fast enough Swing axle to CV convertion is on the website now www.taylormachine.co.ukOFF/500 |
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Martin Greaves
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« Reply #14 on: March 17, 2015, 15:14:39 pm » |
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Any updates from anyone on keeping the Split Port Heads alive and well on a race motor only.
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Hahaha your killing me.........
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Frallan
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« Reply #15 on: March 20, 2015, 21:38:02 pm » |
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        Ran these heads for several years. Plus in several different configurations but most miles were with 48IDA. Never liked the rocker shaft solution but SCAT new development took care of that. In fact I liked the heads pretty much. Did my own guides as I ran 5/16" stems and with innerspring guiding plus pressfit outers. No extra spray cooling. Good idea though for any air cooled engine. Dropped a Manley valve but it was my own fault. I had a mark on all stems from the lathe. Pretty stupid but I learned and engine was idling. Lucky. Fixed it and ran at least another year. But no, I would not buy another set. Too many other better options out there. |
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« Last Edit: March 20, 2015, 21:47:59 pm by Frallan »
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Martin Greaves
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« Reply #16 on: March 25, 2015, 22:48:29 pm » |
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Thanks for the info Frallen.
I just picked up a Scat 2442cc motor which has these heads already on it. Now my head is telling me to put my Comp Elmins on but my heart is telling me to use the Split Ports. As this is the motor for my NSU project and I think it will look a lot more period with them on. I'm not really wanting to run fast times in it. More looking for the look and a bit of fun two or three weekends a year.
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Hahaha your killing me.........
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