buy the tuning hand guide of graham bell, and read this, it will give you a good starter experience. After this ask again
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| Tuning/ exhaut ports/ cylinderheads and barells https://apriliaforum.nl/viewtopic.php?f=20&t=8778 |
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| Auteur: | Aprilia af1 [ do jan 17, 2008 8:41 pm ] |
| Berichttitel: | Tuning/ exhaut ports/ cylinderheads and barells |
Hi i just wanted to know if anyone could explain how to port/ modify the exhaust port and the cylinder/cylinder head to get more revs/speed and performance out of my rv6ap engine. Thanks for any help given. |
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| Auteur: | MBgek [ di feb 05, 2008 6:41 pm ] |
| Berichttitel: | |
First make a portmap and then calculate how much the parameters are for the ports. calculate the the width of the exhaustport via the portmap and start by making it 15% higher (i thought it was 15% of the bore but i'm not sure) |
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| Auteur: | Aprilia af1 [ di feb 05, 2008 7:05 pm ] |
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Thanks for the information, but what is a port map and how do i make one, is it by placing paper in the barell and drawing the ports on or something like that. Thanks for your help. |
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| Auteur: | Matthijn [ di feb 05, 2008 7:22 pm ] |
| Berichttitel: | |
move--> tuning |
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| Auteur: | P.O.C. Tom [ di feb 05, 2008 8:23 pm ] |
| Berichttitel: | |
stick paper in the cilinder and the rub a pencil on it so you get te outlines of the ports. |
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| Auteur: | Aprilia af1 [ di feb 05, 2008 9:20 pm ] |
| Berichttitel: | |
Thanks, vets tom, after i have got the outlines of the ports on the paper then what do i need to do to work out how much to enlarge the exhaust port by? Thanks for all the help. |
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| Auteur: | ruud [ wo feb 06, 2008 1:15 am ] |
| Berichttitel: | |
buy the tuning hand guide of graham bell, and read this, it will give you a good starter experience. After this ask again
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| Auteur: | razor [ wo feb 06, 2008 12:20 pm ] |
| Berichttitel: | |
and you can even find it on the internet in PDF file... |
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| Auteur: | P.O.C. Tom [ wo feb 06, 2008 12:42 pm ] |
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isnt it on this forum guys? edit: found you the link mate 
http://koti.mbnet.fi/kahvis/ohjelmat/A. ... Tuning.pdf Hope this will help. |
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| Auteur: | Aprilia af1 [ wo feb 06, 2008 8:05 pm ] |
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Thanks for the help,i will look to buy that book, also the link doesn't work on my computer as it says it is not found. |
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| Auteur: | P.O.C. Tom [ do feb 07, 2008 2:54 pm ] |
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strange, (wie weet waar het wel te downloaden is?) |
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| Auteur: | Aprilia af1 [ wo feb 20, 2008 12:04 am ] |
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does anyone know if a minarelli p6 racing aircooled cylinderkit would fit my rv6 and fit in my af1 1992 sintesi frame as at the front it has two downtubes which maybe in the way. Also are 70/80cc p6 aircooled cylinder kits better than 70/80cc rv6 liquid cooled cylinder kits. Thanks for your help. |
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| Auteur: | P.O.C. Tom [ wo feb 20, 2008 10:00 am ] |
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p6 doesnt fit as far as i know just get the 80cc rv cilinders. |
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| Auteur: | Aprilia af1 [ wo feb 20, 2008 8:27 pm ] |
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I thought the p6 and k6 cylinders fitted onto the rv6 as i have been told that the internals in the p6 gearbox/ bottom end are the same as the rv6. Do the aircooled cylinders rev more also are they better than the watercooled rv cylinders. Finally do you know where to get a proper 80cc rv cylinder kit from as i am in need of a cylinder kit, i know they race the p6 aircooled so thought it may be better than the rv cylinders. Thanks for your help. |
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