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#51
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preheater troubles
On 12/12/11 17:08, John J Stafford wrote: > In article<iPWdndAAJZW6vHzTnZ2dnUVZ5tCdnZ2d@giganews. com>, > David > wrote: > >> On 12/08/2011 12:13 PM, David Gravereaux wrote: >>> 2) A pair of Weber ICH carbs and the CB performance 3083 kit >>> http://www.webercarbsdirect.com/34_ICH_p/15290.027.htm >>> http://www.cbperformance.com/catalog.asp?ProductID=539 >>> >> >> >> Done. Money spent.<sigh> At least I'll have some boxes to wrap for >> under the tree.. To: Dave From: Santa > > You will be blown away by the performance. Take care, however. You CAN > over-rev a dual carb ACVW! (For the rest - you with single carbs have a > restrictor - the carb itself.) If you think this might be a problem, you can get rev limiting rotor arms |
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#52
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preheater troubles
On Mon, 12 Dec 2011 23:59:38 +0100, tricky
> wrote: > > > On 12/12/11 17:08, John J Stafford wrote: >> In article<iPWdndAAJZW6vHzTnZ2dnUVZ5tCdnZ2d@giganews. com>, >> David > wrote: >> >>> On 12/08/2011 12:13 PM, David Gravereaux wrote: >>>> 2) A pair of Weber ICH carbs and the CB performance 3083 kit >>>> http://www.webercarbsdirect.com/34_ICH_p/15290.027.htm >>>> http://www.cbperformance.com/catalog.asp?ProductID=539 >>>> >>> >>> >>> Done. Money spent.<sigh> At least I'll have some boxes to wrap for >>> under the tree.. To: Dave From: Santa >> >> You will be blown away by the performance. Take care, however. You CAN >> over-rev a dual carb ACVW! (For the rest - you with single carbs have a >> restrictor - the carb itself.) > > If you think this might be a problem, you can get rev limiting rotor arms If the engine has the original valve springs or others with the same spring rate the valves will float before you do any damage. J. -- P.J.Berg --- Posted via news://freenews.netfront.net/ - Complaints to --- |
#53
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preheater troubles
In article >,
tricky > wrote: > > You will be blown away by the performance. Take care, however. You CAN > > over-rev a dual carb ACVW! (For the rest - you with single carbs have a > > restrictor - the carb itself.) > > If you think this might be a problem, you can get rev limiting rotor arms Got one and it does not work. Fortunately my engine is so well balanced that it soars to 8,000 RPM with no damage. I've had it to 9,000. The rev limiting rotor was set to 7,000. Not working. |
#54
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preheater troubles
In article >,
"P.J.Berg" > wrote: > On Mon, 12 Dec 2011 23:59:38 +0100, tricky > > wrote: > > If you think this might be a problem, you can get rev limiting rotor arms > > If the engine has the original valve springs or others with the same > spring rate the valves will float before you do any damage. Heavy duty double springs and zero-lash roller-rockers. This engine is really built. Too bad it has a very serious backfire. It's too darn cold to work on it now. |
#55
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preheater troubles
On Dec 12, 9:06*am, John J Stafford > wrote:
> In article >, > *David Gravereaux > wrote: > > > > Agreed! *I'm thinking the redline K1411 kit with the Weber ICT carbs > > > (but with manual choke) > > In my Weber duals there is a disabled enriching circuit for the choke. I > have read where sometimes an activation cylinder moves causing it to > constantly flood. Anywho, those chokes are in there. Maybe you can get > just the activating parts. The IDF enrichment circuit is a bit different than the ICH which uses a real choke flap. Interesting story with IDFs... In my 2270cc T4 motor with dual 44-IDFs, I didn't have the enrichment mechanicals, just the block-off plate. Just two days on the motor, I did a 7000 rpm downshift into second gear coming off a highway exit ramp. I think that's what pulled the enrichment cylinder and wedged one in the up (open) position. It drove me nutts for a week trying to solve why the motor was running all unbalanced. summary: blocking plates bad. Get the IDF choke mechanicals if only to make sure the enrichment "cylinders" don't get pulled up and wedged open on you. |
#56
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preheater troubles
In article
>, davygrvy > wrote: > The IDF enrichment circuit is a bit different than the ICH which uses > a real choke flap. Interesting story with IDFs... In my 2270cc T4 > motor with dual 44-IDFs, I didn't have the enrichment mechanicals, > just the block-off plate. Just two days on the motor, I did a 7000 > rpm downshift into second gear coming off a highway exit ramp. I > think that's what pulled the enrichment cylinder and wedged one in the > up (open) position. It drove me nutts for a week trying to solve why > the motor was running all unbalanced. > > summary: blocking plates bad. Get the IDF choke mechanicals if only > to make sure the enrichment "cylinders" don't get pulled up and wedged > open on you. One of mine is partly up! So that's the wrong direction. I think I'll pull it down and pin it in place. Wow, it would be awesome if that were the only problem! |
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