| [ Total Views: 9831 | Total Replies: 65 | Thread Id: 68554 ] |
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 Brian
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| posted on October 29th, 2008 at 06:23 AM |
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touchy subject
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Gracey
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| posted on October 29th, 2008 at 09:15 AM |
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Sorry if that came over the wrong way, I'm not trying to start anything.
I just wanted to give an opinion from someone who has used both setups on the same motor with no other changes.
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pete wood
A.k.a.: figure itout
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| posted on October 29th, 2008 at 12:14 PM |
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my bro and me were arguing about 1916s last night. what's a reasonable engine life figure for em do you think, 150,000km? and what's it cost to
build a basic 1916 these days?
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Brian
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| posted on October 29th, 2008 at 01:45 PM |
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This subject has been touched on in the past Pete
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micheloaks
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| posted on December 12th, 2008 at 10:45 PM |
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great thread and need more of it in particular for me as i have just crossed to Air cooled motoring there are a number of O/S makers of considered
though high priced twin plug systems for WW and 4 cyl porsche - Maxton Prill, RABY etc etc. Yes the effects of twin PLugs well known and 6 cyl AC
porsche have been running them for years.. Good flame front much faster burn means freakier cam and high compression with good driving
characteristics. look n Pelican Parts forum as there is good talk about twin plug set ups.
Also have a look at a motor made by a Dean Polopolus of advance performance in the states - 4 cyl overhead cam porsche derived motor (first motors
were made by sectioning a 6 cyl 911 and taking out the middle barrels and welding back up - capacities between 1,5 litre (up around 200HP) - 2,7
litres....but pricey kit alone in todays dollars are close to $13000US full built motors $20000 and keep going....
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ian.mezz
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| posted on December 13th, 2008 at 01:03 PM |
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| Quote: | Originally
posted by 2443TT
| Quote: | Originally
posted by VWCOOL
it's not just redundancy; two plugs help the combustion 'pulse' across the crown of the piston where a plug isn't centred particularly well. Good
for torque.
I've not been witness to any dyno tests, but if I disable the second coil on my Nissan, it slows down...
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A nissan with twin plug combustion chambers? Whats that?
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the good old nissan pintara twin plug what a flop . you dont
see them around any more.
ps ask Craig Torrens he may have a spare 1916 in the shed he may not be using
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