BD10 Inlet - BD14 Exhaust ??????
Hypothetically just to settle an arguement how would a cossie lump run with a BD10 inlet cam and a BD14 in the exhaust cam?
Cheers Rich |
Anyone????
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cams
Badly,?
I was advise to go BD14 inlet, standard exhaust for 400bhp+ tabetha |
As above...badly. Why would you want a cam designed to shift more on fitted to the exhaust side when less goes out of the exhaust than what comes in the inlet (hence why exhaust valves are also normaly smaller than inlet valves).
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That was my point! My mate is having his engine rebuilt and the engine builder wanted to put BD10 inlet and BD14 Exhaust I politely pointed out he hadn't the foggist of what he was going on about.
Just wanted a few opinions from everyone else so I could prove he is wrong. Cheers Rich |
I've heard of some tuners using a mix 'n' match with BD cams before (cannot remember the exact combination though). There may be merit in using a longer exhaust cam as you are like to be running higher boost than stock and therefore generating more exhaust gases that you want to get rid of sooner. It might also be done to spool up the turbo quicker.
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Originally Posted by sailorbob
I've heard of some tuners using a mix 'n' match with BD cams before (cannot remember the exact combination though). There may be merit in using a longer exhaust cam as you are like to be running higher boost than stock and therefore generating more exhaust gases that you want to get rid of sooner. It might also be done to spool up the turbo quicker.
His engine was built by AVA in Scotland, maybe call them. Steve. |
Could do with a definative answer for this :cry: :cry:
Any of the High Quality Reconised Cossie Tuners got an opinion? Cheers Rich |
i run bd14`s on both with hybrid t4 and it comes on boost alot earlier now the cams have been properly dialled in,was well impressed
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Very old thread...but does anyone else have any views on this???? :roll:
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7+ years ago :cry:
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I know.....but its what I've got fitted in my head...and just wondered what folk thought?
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Originally Posted by petemos
(Post 6459135)
I know.....but its what I've got fitted in my head...and just wondered what folk thought?
Rich |
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