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| Home > Help Needed / General Tech Chat > SC Drop gears - noise differences? | |||||||
 263 Posts Member #: 115 Senior Member Austria, near Vienna |
9th Dec, 2007 at 06:33:23pm
Hello!
Bimmer Twinky headed and turboed A-Series:
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 4360 Posts Member #: 1459 En-suite user Braintree, Essex |
9th Dec, 2007 at 06:47:47pm
Do they really moan about mechanical noise out there other than exhaust notes?? On 19th Jan, 2010 wil_h said:
I would start the furthest place from the finish. On 24th Mar, 2012 apbellamy said:
I feel all special knowing that I've given your mum my wood. Been neglecting Turbo'd 'A' series.............. |
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 9327 Posts Member #: 59 First mini turbo to get in the 12's & site perv Herefordshire |
9th Dec, 2007 at 07:20:21pm
I dont know about the running noise, but a roller idler gear doesnt chatter on idle like the usual bearing sort |
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 1745 Posts Member #: 375 Post Whore Leicestershire |
9th Dec, 2007 at 11:32:05pm
Im with nic on this one, i have recently changed from the standard type bearing to roller bearing type drops and the noise is alot quieter when idling and driving! |
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263 Posts Member #: 115 Senior Member Austria, near Vienna |
10th Dec, 2007 at 08:25:19am
The problem with our police is that they send you to a official technical control center if they think there is something modified on the car. I don't care about the clattering noise - the whining noise while driving is the problem. My exhaust is very quiet - people tell me they could hear my gears (not exhaust note) long before before seeing my car. Bimmer Twinky headed and turboed A-Series:
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 1060 Posts Member #: 588 Post Whore Delaware, USA |
10th Dec, 2007 at 03:43:44pm
lol---Louder exhaust?? website:- http://www.terryhunt.co.uk
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174 Posts Member #: 781 Advanced Member Norway |
10th Dec, 2007 at 06:58:30pm
BIG FAT STERIO. |
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 12307 Posts Member #: 565 Carlos Fandango Burnham-on-Crouch, Essex |
10th Dec, 2007 at 07:04:31pm
I have wondered if whether really drenching the drops in oil with a jet or similar would queiten them down. On 28th Aug, 2011 Kean said:
At the risk of being sigged... Joe, do you have a photo of your tool? http://www.turbominis.co.uk/forums/index.p...9064&lastpost=1 https://joe1977.imgbb.com/ |
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 6274 Posts Member #: 509 Post Whore Isle of Man |
10th Dec, 2007 at 07:10:57pm
what about constricting the flow back into the sump so that its always sat 2/3's submerged in oil?
"Turbo's make torque, and torque makes fun"
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4360 Posts Member #: 1459 En-suite user Braintree, Essex |
10th Dec, 2007 at 08:59:48pm
Perhaps an electric pump picking up from box spraying direct to SC's????
On 10th of Dec, 2007 at 07:04pm mini13 said:
I have wondered if whether really drenching the drops in oil with a jet or similar would queiten them down. On 19th Jan, 2010 wil_h said:
I would start the furthest place from the finish. On 24th Mar, 2012 apbellamy said:
I feel all special knowing that I've given your mum my wood. Been neglecting Turbo'd 'A' series.............. |
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 2645 Posts Member #: 1246 Post Whore Lowestoft, Suffolk. |
10th Dec, 2007 at 09:25:54pm
Am I correct in thinking (believe I have read this in a D vizzard book) that if you machine a couple of thou off the tip each gear they will be less noisy?
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4360 Posts Member #: 1459 En-suite user Braintree, Essex |
10th Dec, 2007 at 09:33:22pm
Would it not lose a little gear strength if you start machining the tops of the gears? On 19th Jan, 2010 wil_h said:
I would start the furthest place from the finish. On 24th Mar, 2012 apbellamy said:
I feel all special knowing that I've given your mum my wood. Been neglecting Turbo'd 'A' series.............. |
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 3756 Posts Member #: 1709 I like granny porn. LONDONSHIRE |
10th Dec, 2007 at 09:55:57pm
on my last rebuild i was told not to use a block to box gaskets as this somehow quietn's the drops down as it decreases the gap or something...
On 2nd Oct, 2009 Vegard said:
On 1st Oct, 2009 Jimster said:
I bet my first wank came quicker than your first mini turbo These new modern turbos with their quick spool up time, would make the competition harder. On 15th Aug, 2011 robert said:
phew!!! thank you brett for smashing in my back doors .( not something i imagined writing... EVER) |
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 9812 Posts Member #: 332 Resident Cylinder Head Modifier Mitsi Evo 7, 911, Cossie. & all the chavs ...... won no problem |
10th Dec, 2007 at 10:15:59pm
echo! Nics and starmags thoughts harry
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2645 Posts Member #: 1246 Post Whore Lowestoft, Suffolk. |
10th Dec, 2007 at 10:23:23pm
On 10th of Dec, 2007 at 09:33pm milamber said:
Would it not lose a little gear strength if you start machining the tops of the gears? I thought that when I read it (but for the life of me I cant remember where I did now?) Pretty sure the article/ feature used a set of JKD gears? Hmmmmm........ Shane |
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 695 Posts Member #: 984 Post Whore Westhoughton, Bolton |
10th Dec, 2007 at 10:45:30pm
As for SC drops, sprocket will be able to confirm this. Ive got the same minispares drops as him yet mine are alot quieter than his are. He thinks its due to the gasket between block and gearbox. |
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3756 Posts Member #: 1709 I like granny porn. LONDONSHIRE |
11th Dec, 2007 at 01:01:21am
correct jackman,i'm sure this is the case with mine..
On 2nd Oct, 2009 Vegard said:
On 1st Oct, 2009 Jimster said:
I bet my first wank came quicker than your first mini turbo These new modern turbos with their quick spool up time, would make the competition harder. On 15th Aug, 2011 robert said:
phew!!! thank you brett for smashing in my back doors .( not something i imagined writing... EVER) |
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263 Posts Member #: 115 Senior Member Austria, near Vienna |
11th Dec, 2007 at 08:32:45am
Thanks for your comments; I think I will have to speak about this topic with a gear manufacturer - interesting for me to hear that the timken idler is quieter than the needle bearing setup, theoretically there should not be a difference on what kind of bearing the idler is running?!
Bimmer Twinky headed and turboed A-Series:
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12307 Posts Member #: 565 Carlos Fandango Burnham-on-Crouch, Essex |
11th Dec, 2007 at 09:31:14am
on someones build on the efi minis forum they have adapted the oil drain from the pump to go into the transfer housing, I think it comes out in a position right above one of the gears. On 28th Aug, 2011 Kean said:
At the risk of being sigged... Joe, do you have a photo of your tool? http://www.turbominis.co.uk/forums/index.p...9064&lastpost=1 https://joe1977.imgbb.com/ |
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 6549 Posts Member #: 1149 #1 Basshunter Fan Force Racing ICT Dept Manager Miglia Turbo Am frum Yokshyer tha noes! |
11th Dec, 2007 at 10:27:59am
Harry simple solution, get an exhaust like THIS!
1/4 Mile 14.3secs 96Mph Terminal 10psi of boost.
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 7265 Posts Member #: 1268 The Boom Boom speaker Police! Essex |
11th Dec, 2007 at 11:10:19am
Has anyone used an exhaust like that? I bet it's a bit loud, but I'dd like to try it.
In the 13's at last!.. Just |
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6549 Posts Member #: 1149 #1 Basshunter Fan Force Racing ICT Dept Manager Miglia Turbo Am frum Yokshyer tha noes! |
11th Dec, 2007 at 11:26:22am
Ill be trying the 1 in the pic as soon as my engine is ready, no idea how loud it will be though, i may have to fit a can on it. 1/4 Mile 14.3secs 96Mph Terminal 10psi of boost.
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7265 Posts Member #: 1268 The Boom Boom speaker Police! Essex |
11th Dec, 2007 at 11:45:06am
Keep me posted, I'd be interested if it was close to legal (as if!) In the 13's at last!.. Just |
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6549 Posts Member #: 1149 #1 Basshunter Fan Force Racing ICT Dept Manager Miglia Turbo Am frum Yokshyer tha noes! |
11th Dec, 2007 at 11:56:58am
In theory it shouldnt be as bad as an N/A. 1/4 Mile 14.3secs 96Mph Terminal 10psi of boost.
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 8297 Posts Member #: 408 Turbo Love Palace Fool Aylesbury |
11th Dec, 2007 at 01:42:34pm
On 11th of Dec, 2007 at 09:31am mini13 said:
on someones build on the efi minis forum they have adapted the oil drain from the pump to go into the transfer housing, I think it comes out in a position right above one of the gears. This is a damn good point... If this is for you K1100 engine why don't you run your oil returns from your head to the transfer housing? This is what I am doing but hadn't thought about it making the gears quieter!!! 
If it works to make them quieter I'll be gutted, as I like the noise of the drops. lol https://www.facebook.com/pages/Fusion-Fabri..._homepage_panel
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