CNC Ported head, Jack Helper, Speaker Rings - LotusTalk - The Lotus Cars Community
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post #1 of 12 (permalink) Old 03-24-2017, 10:01 AM Thread Starter
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CNC Ported head, Jack Helper, Speaker Rings

I have a little update on the JCR head. New for 2017 , the heads are being ported on a 5 axis cnc mill .
I have absorbed the increased cost of the porting. The heads look great.

I'm still producing front speaker rings, hardtop bolts, and the most popular Jack Helper .

Sold through BOE Fabrication . Thank BOE .
https://www.boefab.com/collections/p...s/jcr-products

Also a side note. I started selling bits and pieces on EliseTalk, way back when. Proceeds to fund
my Daughters college fund. She graduates this May. Thanks to all who have contributed.

A big extra thanks to Randy Chase. I appreciate the sponsor status you provided.
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2005 Storm Titanium Elise
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post #2 of 12 (permalink) Old 03-24-2017, 10:06 AM
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Jim I'll be placing an order for the "real" Jack helper, great product.
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post #3 of 12 (permalink) Old 05-19-2017, 07:06 AM Thread Starter
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post #4 of 12 (permalink) Old 05-19-2017, 07:11 AM
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I have a jack helper from you that work with the difflow diffuser. Works great!! Fantastic customer service!! Lonnie
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post #5 of 12 (permalink) Old 06-20-2017, 06:46 AM Thread Starter
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I have a jack helper from you that work with the difflow diffuser. Works great!! Fantastic customer service!! Lonnie
Thanks Lonnie .

2005 Storm Titanium Elise
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www.jcrtd.com
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post #6 of 12 (permalink) Old 06-20-2017, 10:18 AM
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I have a little update on the JCR head. New for 2017 , the heads are being ported on a 5 axis cnc mill .

I have absorbed the increased cost of the porting. The heads look great.



I'm still producing front speaker rings, hardtop bolts, and the most popular Jack Helper .



Sold through BOE Fabrication . Thank BOE .

https://www.boefab.com/collections/p...s/jcr-products



Also a side note. I started selling bits and pieces on EliseTalk, way back when. Proceeds to fund

my Daughters college fund. She graduates this May. Thanks to all who have contributed.



A big extra thanks to Randy Chase. I appreciate the sponsor status you provided.

Jim, I see these heads and the Ferrea (sp?) rockers, but I'm not sure what additional benefits they provide other than smoothness of motion for the rockers.
Also, last time on BOE I didn't see the speaker rings. Pricing?
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post #7 of 12 (permalink) Old 06-20-2017, 12:30 PM Thread Starter
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The rockers are very cool. They are very light compared to stock. No more switch between low and high lift lobes.
They rev super fast with no cam switchover bog / boost. My supercharged street / track experience.
No cam wipe worries. No VVL nonsense.

I wouldn't bother installing on an NA car.

They require a re-tune / tune.


https://www.jcrtd.com/products/front...-adaptor-rings

2005 Storm Titanium Elise
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www.jcrtd.com
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post #8 of 12 (permalink) Old 06-20-2017, 12:34 PM
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The rockers are very cool. They are very light compared to stock. No more switch between low and high lift lobes.

They rev super fast with no cam switchover bog / boost. My supercharged street / track experience.

No cam wipe worries. No VVL nonsense.



I wouldn't bother installing on an NA car.



They require a re-tune / tune.





https://www.jcrtd.com/products/front...-adaptor-rings

Thank you Jim. If I have a Katana 2, will I still have to get a retune?
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post #9 of 12 (permalink) Old 06-20-2017, 05:27 PM Thread Starter
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Yes, a tune will be necessary . Phil at BOE can give you the low down.
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post #10 of 12 (permalink) Old 06-20-2017, 06:46 PM
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Yes, a tune will be necessary . Phil at BOE can give you the low down.

Thank you for the info. I'm a bit concerned about cam wiping.
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post #11 of 12 (permalink) Old 09-09-2018, 05:22 AM Thread Starter
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Update for dead links.

Jack Helper: Jack Helper | JCR Tool and Die
Speaker rings: Front Speaker Rings | JCR Tool and Die

JCR Tool and Die

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post #12 of 12 (permalink) Old 02-23-2019, 06:00 AM Thread Starter
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Jack Helper on Sale
I only have 2 or 3 CNC ported heads left in stock. Probably won't be making another batch.
Click on BOE Fabrication to check out the heads.

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