- Joined
- Jan 31, 2018
- Messages
- 51
Many of you know that Iwilson had at the time demonstrated how the channel in the throttle body that connected the two cylinders immediately downstream of the intake valves was a design error in an engine phased at 270 degrees.
Some of you, and I among them, had blocked it, interposing a pin configured in some way to replace the air supply pipe controlled by the solenoid valve for idle adjustment.
The results had generally been excellent, very stable idle and no longer erratic, smooth operation, in short, a panacea. However, I was still left with the thought that those two blind semi-ducts, although there was no longer any passage for the gases, created a negative turbulence for the gases being sucked in, precisely in a point where there shouldn't be any.
Therefore I decided to block them completely, creating alu caps on the lathe, inserted with interference into the two holes, which I then blocked for further safety with two bolts which engage in the two lateral pipettes which were originally closed by rubber caps (which by the way they always got ruined due to the arduous working conditions).
[/url
]
[url=https://ibb.co/8gvtcn8][/url
]
[url=https://ibb.co/6mfpV5n]
Nice to say, the road test confirmed that this is a further notable improvement in engine operation, it becomes even more fluid, very regular from 1800 rpm, quicker to rev up. Overall, a highly recommended change.
Some of you, and I among them, had blocked it, interposing a pin configured in some way to replace the air supply pipe controlled by the solenoid valve for idle adjustment.
The results had generally been excellent, very stable idle and no longer erratic, smooth operation, in short, a panacea. However, I was still left with the thought that those two blind semi-ducts, although there was no longer any passage for the gases, created a negative turbulence for the gases being sucked in, precisely in a point where there shouldn't be any.
Therefore I decided to block them completely, creating alu caps on the lathe, inserted with interference into the two holes, which I then blocked for further safety with two bolts which engage in the two lateral pipettes which were originally closed by rubber caps (which by the way they always got ruined due to the arduous working conditions).
[/url
]
[url=https://ibb.co/8gvtcn8][/url
]
[url=https://ibb.co/6mfpV5n]
Nice to say, the road test confirmed that this is a further notable improvement in engine operation, it becomes even more fluid, very regular from 1800 rpm, quicker to rev up. Overall, a highly recommended change.