the polini box does NOT rev its said, but is that so? lets just go for a topspeed test. driver is 190cm upright.


it DOES definivtely rev, in this case 8200rev and 138 gps kmh, guess there it would pull more if you give it time and or of course bend over to make the fish ;) its a 65/24 transmission.

does it only depend on the box? NO, as you see with this example.
also the cylinder with port desgin & area & timings, and cylinder head, geometry & sqush are defining how an exhausts will perform on a certain engine.

engine has fuel supply problems, a sip v2 tap and a 400 needle with a phbh30 carb does NOT deliver enough fuel. 0-100km full acceleration top end 2nd gear, the fuel chamber is sucked empty.
fuel pump is needed.

driver is 190cm/100kg UPRIGHT.
setup: #quattrini #M244, phbh30, rd350 reeds, MRP manifold, sip vape 1660gr flywheel, #poliniBOX

some videos around the project: [ Ссылка ]

gonna test a lof ot other boxes as well on this engine #FMPboxTest
stay tuned!

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DISCLAIMER: the information shown in this video, is about THIS specific hardware. it is my personal observation documented with this video. It DOESNT automatically mean, that all such parts by this producer or seller do have or will have same issues.
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