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Discussion Starter #1 (Edited)
FS: 3.2" Pulley's for BWR MP62 Super Charger

This pulley fits the BWR SC kit. Does not fit Katana or Lotus.

I couldn't find anyone that sells 3.2" pulley so I had some made up.
I have one installed on my car and it works great.

T6061 Aluminum
3.2" to top of rib
Machined by experience pulley maker.
Hard Anodized for extra durability.
The 4 holes in center are drilled and tapped 5/16 for optional pulley puller.

$135.00 Shipped. Paypal [email protected]

Here's some pictures before anodize.
 

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Discussion Starter #2
The hard anodize will be Black. They have other colors but I couldn't decide which one to pick.

I'll post a picture next week.
 

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Dang Jim, nice job!!!!! Those are pretty swanky units for sure:up:

Best,

Phil
 

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Looks beautiful. I may just pick one up. What belt do you use with it?
 

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Again great job Jim. A nice touch with the threads for puller too:up:

Support your Lotus community and buy your pulleys from Jim:cool:

Cheers,

Phil
 

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Discussion Starter #9
Again great job Jim. A nice touch with the threads for puller too:up:

Support your Lotus community and buy your pulleys from Jim:cool:

Cheers,

Phil
Thanks Phil. The puller is real handy it that tight space.
I drilled and tapped my steal 3.4" too.

I don't think I could go back to 3.4. This car is a beast now. Your last map
put me at 248hp and it really feels strong. A little dicey in the rain.
I was spinning my new 07's in every gear while trying not too.
Can't wait to hit the track.
 

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Cool, 248, is awesome!:drool:

Be sure to run 100 octane at the track though. I spiced that map up a bit and found that it will ping a bit on 91 gas at the track, where 100 seems to be OK. If you want to universally tone it down, you can go into your "corrections" tab and then the "spark vs Air". That is the map that allows you to add or subtract timing based on what the intake temps are. You might pull, say, 4 degrees of timing as your blower/intake temps exceed 100C. Perhaps pull 2 degrees at 100C and then 4 degrees from there on out... Do this if you hear any pinging or if you're feeling paranoid about it on crappy pump gas....

So would you say the car feels any faster than it did before you went down this EFI path?:evil:rotfl

Best,

Phil
 

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Discussion Starter #11
Cool, 248, is awesome!:drool:

Be sure to run 100 octane at the track though. I spiced that map up a bit and found that it will ping a bit on 91 gas at the track, where 100 seems to be OK. If you want to universally tone it down, you can go into your "corrections" tab and then the "spark vs Air". That is the map that allows you to add or subtract timing based on what the intake temps are. You might pull, say, 4 degrees of timing as your blower/intake temps exceed 100C. Perhaps pull 2 degrees at 100C and then 4 degrees from there on out... Do this if you hear any pinging or if you're feeling paranoid about it on crappy pump gas....

So would you say the car feels any faster than it did before you went down this EFI path?:evil:rotfl

Best,

Phil
I gained 22hp with efi. I ran dyno's. Gained the rest with headers and smaller pulley.
I run 100 all the time. There's a gas station around the corner that pumps 100LL. 4.75 a gallon.
 

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Discussion Starter #12 (Edited)
Great for EFI owners. A couple of guys use these short term and switch back before ecu learns to the lean side.

Not recommending anything, just reporting what I hear.
 
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