Really Light Stuff - Supercharger Pulley Mk II - Page 3 - LotusTalk - The Lotus Cars Community
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post #41 of 125 (permalink) Old 01-19-2010, 06:57 AM Thread Starter
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Weight: 0.3 lb ! (IIRC, stock pulley is 1.06 lb)

The new owner of RLS is Austin, you can contact him at: Austin0Barrett <<<< @ >>>> gmail <<<< dot >>>> com
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post #42 of 125 (permalink) Old 02-12-2010, 09:59 PM
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Hi Thomasio,

Is the MKII available in 2,9" now?
I want one!
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post #43 of 125 (permalink) Old 02-13-2010, 06:50 AM
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will there be an issue if you have an exige S and a gotham tune?

07 Lotus Exige S- 3.0 pulley, Custom Paint, Diflow 3 element, Larini SC
09 Porsche C4- Borla Exhaust, GT2Spoiler,OZ ultraleggera 19s, GT3 font bumper and lip
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post #44 of 125 (permalink) Old 02-13-2010, 12:42 PM Thread Starter
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will there be an issue if you have an exige S and a gotham tune?
I'm told that CharlieX has a tune for the Gotham w/ smaller pulley, you would need to check with him.

At some point larger fuel injectors will be required to keep up with all of the power you are trying to make. I've been fine w/ 3.1" and 3.0" with my stock ECU. Beyond that (including perhaps w/ the Gotham tune) the fuel injectors will be working very hard to keep up with the fuel demands.

The new owner of RLS is Austin, you can contact him at: Austin0Barrett <<<< @ >>>> gmail <<<< dot >>>> com
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post #45 of 125 (permalink) Old 02-14-2010, 10:20 AM
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I'm told that CharlieX has a tune for the Gotham w/ smaller pulley, you would need to check with him.

At some point larger fuel injectors will be required to keep up with all of the power you are trying to make. I've been fine w/ 3.1" and 3.0" with my stock ECU. Beyond that (including perhaps w/ the Gotham tune) the fuel injectors will be working very hard to keep up with the fuel demands.
Anymore info on how to upgrade fuel injectors? and which ones to get?

07 Lotus Exige S- 3.0 pulley, Custom Paint, Diflow 3 element, Larini SC
09 Porsche C4- Borla Exhaust, GT2Spoiler,OZ ultraleggera 19s, GT3 font bumper and lip
08 Ford Expedition Limited - fully loaded stock
06 Mitsubishi Eclipse- CF lip and wing, Injen Intake, Magnaflow, Clairon DVD/NAV and 12 inch sub 500mp alpine
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post #46 of 125 (permalink) Old 02-14-2010, 04:18 PM Thread Starter
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Anymore info on how to upgrade fuel injectors? and which ones to get?
I'm still using the stock fuel injectors & ECU w/ the 3.0" pulley, so I can't recommend higher flow fuel injectors... but I have seen several threads here on LT that address the issue.

The new owner of RLS is Austin, you can contact him at: Austin0Barrett <<<< @ >>>> gmail <<<< dot >>>> com
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post #47 of 125 (permalink) Old 02-16-2010, 11:45 AM Thread Starter
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If I can get 3 or 4 pre-orders, I'll have the 2.9" Mk II built next.

Add your name to the list:

1. François
2.
3.
4.

The new owner of RLS is Austin, you can contact him at: Austin0Barrett <<<< @ >>>> gmail <<<< dot >>>> com
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post #48 of 125 (permalink) Old 02-19-2010, 09:15 AM
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i just bought the 3.0 today

07 Lotus Exige S- 3.0 pulley, Custom Paint, Diflow 3 element, Larini SC
09 Porsche C4- Borla Exhaust, GT2Spoiler,OZ ultraleggera 19s, GT3 font bumper and lip
08 Ford Expedition Limited - fully loaded stock
06 Mitsubishi Eclipse- CF lip and wing, Injen Intake, Magnaflow, Clairon DVD/NAV and 12 inch sub 500mp alpine
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post #49 of 125 (permalink) Old 02-28-2010, 10:29 AM
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Thomasio, do you still have 3.0" in stock?

S240 Exige S with BOE FW300 + over 40 mods
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post #50 of 125 (permalink) Old 02-28-2010, 10:35 AM Thread Starter
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Thomasio, do you still have 3.0" in stock?
Yes sir I do.

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post #51 of 125 (permalink) Old 02-28-2010, 10:57 AM
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Yes sir I do.
I am gathering the necessary parts for Charlie's tune.

S240 Exige S with BOE FW300 + over 40 mods
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post #52 of 125 (permalink) Old 03-05-2010, 01:56 PM Thread Starter
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Okay, the 2.9" version of the RLS Pulley Mk II (w/ tool) is being made now...

The new owner of RLS is Austin, you can contact him at: Austin0Barrett <<<< @ >>>> gmail <<<< dot >>>> com
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post #53 of 125 (permalink) Old 04-25-2010, 12:57 PM
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So is this one of the few mods that I would get a power increase without having to upgrade the ECU? I have read that an air filter, exhaust and other mods are good for a short time then the ECU restores the HP back to stock numbers.
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post #54 of 125 (permalink) Old 04-25-2010, 01:27 PM Thread Starter
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The ECU adds more fuel to go with the greater amount of air, resulting in more power. I've personally been running a 3.0" for almost a year, power has not diminished whatsoever.

The new owner of RLS is Austin, you can contact him at: Austin0Barrett <<<< @ >>>> gmail <<<< dot >>>> com
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post #55 of 125 (permalink) Old 04-26-2010, 02:53 PM
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Thanks for the reply Thomasio, maybe I will order one from you this year.
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post #56 of 125 (permalink) Old 04-27-2010, 12:37 PM Thread Starter
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For the 3.0" pulley on your Exige S, use the Dayco Poly Cog 5060755 belt.

The new owner of RLS is Austin, you can contact him at: Austin0Barrett <<<< @ >>>> gmail <<<< dot >>>> com
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post #57 of 125 (permalink) Old 04-27-2010, 12:55 PM
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Hey Thomas, do you happen to know what belt (length) can be used for those of us on a 2.5" and WITHOUT AC compressor?

Thanks, Rob.

"For me, it is far better to grasp the Universe as it really is than to persist in delusion, however satisfying and reassuring." - Carl Sagan
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post #58 of 125 (permalink) Old 04-27-2010, 01:46 PM Thread Starter
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Hey Thomas, do you happen to know what belt (length) can be used for those of us on a 2.5" and WITHOUT AC compressor?

Thanks, Rob.
I haven't run into the combo, sorry Rob.

The new owner of RLS is Austin, you can contact him at: Austin0Barrett <<<< @ >>>> gmail <<<< dot >>>> com
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post #59 of 125 (permalink) Old 05-27-2010, 07:17 AM Thread Starter
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The RLS Supercharger Pulley Mk II has now arrived in 2.9" size (in addition to the 3.0" size). Now shipping. $135, includes the tool.

The new owner of RLS is Austin, you can contact him at: Austin0Barrett <<<< @ >>>> gmail <<<< dot >>>> com
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post #60 of 125 (permalink) Old 05-27-2010, 07:30 AM
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any plans for a 3.1"?

** save ~10 lbs gain 1 hp ** EQ: Y=(190*X) / (1984-X) where Y is (HP) and X is (lbs)

'07 Lotus Exige S310


WTC 2
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