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Workshop
38 posts
16 months
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Thanks David, I have the latest edition of How to Build Horsepower so I assume the cam selection section in there is what you are talking about?
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Pumaracing
1,175 posts
76 months
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So Mr OP. Aren't your heads finished yet and some new bhp numbers to show us?
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Brummmie
Original Poster
4,220 posts
90 months
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Pumaracing said: So Mr OP. Aren't your heads finished yet and some new bhp numbers to show us? No, I am due to get them back this week, they have gone to be fitted up at the recommended valve spring height and one valve is too far out with the others, so has to be machined into the head 15 thou, so they all have 30 thou washers under the valve springs to give the right spring install. i will post up whether good bad, or ugly!  Fingers crossed...
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84Dave
18 posts
16 months
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SpeedTalk in the U.S. has an 'Advanced Engine Tech' section with participation by many world-wide. I believe PistonHeads would gain highly from such a sub-Forum where you advanced 'gearheads', world-wide, can concentrate on the finery's of what it requires to make an engine 'tick'. As to Mr. Vizard's question about his up-coming book? If the book is already 'chaptered', define the theories/ideas/knowledge covered, per chapter, in a dozen or fewer written lines, then all Forum participants can comment/question the covered subject matter of each chapter? -Dave- U.S.A.
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Brummmie
Original Poster
4,220 posts
90 months
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Simon says
9,290 posts
90 months
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Look nice Brummie  what's the hole/drilling in the top pic on that inlet port? just curious 
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stevieturbo
8,362 posts
116 months
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Simon says said: Look nice Brummie what's the hole/drilling in the top pic on that inlet port? just curious Rocker bolts break through into the inlet port.
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Simon says
9,290 posts
90 months
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stevieturbo said: Simon says said: Look nice Brummie what's the hole/drilling in the top pic on that inlet port? just curious Rocker bolts break through into the inlet port. Yeh knew it wasn't something so horrid as a break-through  be nice to ear of your results  that build is a monster 
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Brummmie
Original Poster
4,220 posts
90 months
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Cheers Simon, i am now waiting on shims so i can install the springs at the correct height...
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packman10_4
169 posts
63 months
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Brummmie said: I'm off to knight engine services nr silverstone with the heads today, while I'm there I will have the ITB's port matched. But I will go armed with a few questions now.
I'll Dyno it once the work is done anyway. Get Dave to put the kettle on , and get his Mrs to get the cake out ! will be down there later building up a poxy k series
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gsd2000
9,780 posts
52 months
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Brummmie
Original Poster
4,220 posts
90 months
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gsd2000 said: Are they on yet? Be running tomorrow with any luck, dyno Thurs/Fri with even more luck, and trackday next Sunday if lady luck gives me a BJ!
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Blair357ci
999 posts
77 months
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Brummmie said: gsd2000 said: Are they on yet? Be running tomorrow with any luck, dyno Thurs/Fri with even more luck, and trackday next Sunday if lady luck gives me a BJ! Fingers crossed
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Simon says
9,290 posts
90 months
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Brummmie said: gsd2000 said: Are they on yet? Be running tomorrow with any luck, dyno Thurs/Fri with even more luck, and trackday next Sunday if lady luck gives me a BJ!
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neal1980
1,946 posts
108 months
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 Look forward to seeing what it makes... Is this about as far as you can take this engine now or you got anything else planned??
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Brummmie
Original Poster
4,220 posts
90 months
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This is it, i want to just drive the thing now!
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Pumaracing
1,175 posts
76 months
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Bump. What happened with this?
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Brummmie
Original Poster
4,220 posts
90 months
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Its up and running, no difference whatsoever. Only the curve alot less jagged thanks to the new valve springs i suspect, but power the same!
It needed a bit more fuel in the midrange when mapped.
Feels a bit more responsive on the throttle, to be honest i think the exhaust manifolds have are out of legs, and they need to go up a size.....
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stevieturbo
8,362 posts
116 months
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Brummmie said: Its up and running, no difference whatsoever. Only the curve alot less jagged thanks to the new valve springs i suspect, but power the same!
It needed a bit more fuel in the midrange when mapped.
Feels a bit more responsive on the throttle, to be honest i think the exhaust manifolds have are out of legs, and they need to go up a size..... If making new manifolds....may as well attach a turbo or two to them lol.
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tinker-27
803 posts
93 months
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