S4s,S4,SE UPDATES & IMPROVEMENTS - Page 4 - LotusTalk - The Lotus Cars Community
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post #61 of 166 (permalink) Old 03-24-2018, 07:35 AM Thread Starter
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Quote:
Originally Posted by uklad99 View Post
I was asking about the summit oil filter adapter.
My cars apart right now for a new clutch and I'm converting to an electric chargecooler pump as well it would be an ideal time to do that.
I actually want to take the darn oil filter off to make access to the mechanical pump easier but worried about the mess I'd make taking it off?
Summit Racing Part Number: FMS-M-6880-A50 ?
NO, it has a wrong offset!

I have an extra part I can sellyou, please PM me.

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post #62 of 166 (permalink) Old 03-24-2018, 08:41 AM
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PM sent

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post #63 of 166 (permalink) Old 03-25-2018, 09:12 PM Thread Starter
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MOCAL Thermostatic sandwich plate

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Originally Posted by MRDANGERUS View Post
Works very well on my 88' car

https://www.thelotusforums.com/forum...6290-oil-stat/

I'm going to add this to my 'Mad Max' S4s.

P.S. Connections on the Mocal plate should be switched to get the same flow through the filter.
OE Hose end hex size is 30mm
OE Plate fitting hex size is 28mm, two big @$$ open end wrenches will do the job.
Don't touch the filter until you're done with slacking the hoses. The original OE adapter plate is held in place only by the filter.
MOCAL stat sandwich plate is 40mm shorter than OE plate, hence the hex on the fittings may foul the oil pump housing. I have added 40mm extensions. Hex on the fittings supplied with MOCAL stat are... 30mm.
"Dry assemble" all components ( before the final install with Loctite 243), to check for fit and verify that oil hoses are long enough to reach the stat plate fittings. If not - add extensions.

Last edited by MRDANGERUS; 04-02-2018 at 06:35 PM.
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post #64 of 166 (permalink) Old 03-30-2018, 08:50 AM Thread Starter
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Thin wall "28 Bar hose"

How many times you see the "spaghetti nightmare", like on the picture?
Or, you have to run a hose into a very limited space occupied tightly by other components?

Here is a potential solution: a "28 Bar hose" with braided encapsulated mesh layer and thin very strong wall. It is durable, space saving, tight bending radius and elegant! Made by SEL/Eaton, brand: Tak-Flex

I've discovered that Mesa Hose has quite an assortment of this type and other specialty hoses.
Tel: (949) 645 2661 , Fax: (949) 645 1135, [email protected]

http://www.eaton.com/EN/sel/Selcontent/
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Last edited by MRDANGERUS; 03-30-2018 at 06:15 PM.
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post #65 of 166 (permalink) Old 04-04-2018, 07:25 AM Thread Starter
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"Dry" starts

I was expecting an "oilfall" when I took off the (PO installed) horizontal oil filter.
Instead,
there were only a few drops at the bottom, oil completely drained off!

Apparently, this filter does not have an anti-drain feature, or it is awfully leaky.
It has no markings, so could not identify the manufacturer.

I'm glad I wont have dry starts any more. 90 degree oil filter adapter fixes it all.
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Last edited by MRDANGERUS; 04-04-2018 at 07:30 AM.
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post #66 of 166 (permalink) Old 04-04-2018, 07:43 AM
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Did you replace the O-rings on the center bolt of the adaptor? If so, where did you source them, John? Rubber? Viton? or....??
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post #67 of 166 (permalink) Old 04-04-2018, 10:59 AM Thread Starter
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Quote:
Originally Posted by BobWeber View Post
Did you replace the O-rings on the center bolt of the adaptor? If so, where did you source them, John? Rubber? Viton? or....??
Yes, Viton green/blue rings 2,65mm thick(17mm dia) on the bolt, 3.5mm under the head(25mm dia) and 5mm thick (the large one, 63mm), on the stat side of the adapter.
All from my favorite World wide supplier, ... e-Bay!

Last edited by MRDANGERUS; 04-08-2018 at 06:07 AM.
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post #68 of 166 (permalink) Old 04-04-2018, 01:28 PM
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Quote:
Originally Posted by MRDANGERUS View Post
I was expecting an "oilfall" when I took off the (PO installed) horizontal oil filter.
Instead,
there were only a few drops at the bottom, oil completely drained off!

Apparently, this filter does not have an anti-drain feature, or it is awfully leaky.
It has no markings, so could not identify the manufacturer.

I'm glad I wont have dry starts any more. 90 degree oil filter adapter fixes it all.
Filter looks like the JAE filter I just received. Supposed to be identical to the OEM Lotus filter, from the same manufacturer.

Parts Manager @ Sports Car World in Dallas
2014 Evora S 2+2, Racing Green Metallic
1986 Esprit Turbo HCi, Red
(sold) 2005 Elise, Saffron Yellow
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post #69 of 166 (permalink) Old 04-08-2018, 06:10 AM Thread Starter
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post #70 of 166 (permalink) Old 04-18-2018, 04:38 PM Thread Starter
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Upon taking off the plenum cover, I saw an interesting wash pattern on the inside surface of the front plate.
Looks like aux injectors spray cones are obstructed by edges of the injector ports (marked orange). I have a suspicion that cyl#1 & #4 are not getting the same dose of the fuel mist when auxiliaries kick in.

Dremel tool with a rotary burr fixed the problem.
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Last edited by MRDANGERUS; 04-20-2018 at 07:31 PM.
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post #71 of 166 (permalink) Old 05-02-2018, 08:25 AM Thread Starter
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Finally, the Rubik's puzzle coming to the fruition:
a decent 250A alternator with decoupler clutch pulley, 4 AWG wire, blue belt, MOCAL thermostat, twisted plenum stay/support and 90° oil filter adapter have been installed.
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Last edited by MRDANGERUS; 05-02-2018 at 08:33 AM.
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post #72 of 166 (permalink) Old 05-06-2018, 08:23 AM Thread Starter
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I have attempted to convert to "ram air", but the space next to the CPU is very limited. If OE long duct is used for this purpose, the only possible configuration forces the duct into 180 deg bend, which defeats the purpose of this modification.

Next, I will experiment with aftermarket 3.5" dia elbows.
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Last edited by MRDANGERUS; 05-25-2018 at 05:56 AM.
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post #73 of 166 (permalink) Old 05-16-2018, 06:48 AM Thread Starter
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ATP Turbo Ultimate wastegate adapter

If you decide to replace your turbo with less restrictive unit or more substantial 3071 or 3076, you may need this ATP Turbo Ultimate wastegate adapter. It blends well the w/gate stream with the main turbine flow and allows upgrade to (up to) 2.450" exducer. All stainless body. It comes only in 3" V-band configuration.

https://www.atpturbo.com/mm5/merchan...&Store_Code=tp

You're no longer limited to Cosworth thin wall adapter and .48 scroll


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Last edited by MRDANGERUS; 05-21-2018 at 06:16 PM.
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post #74 of 166 (permalink) Old 05-16-2018, 10:07 AM
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Mmmmm-stainless

Could also go with a Borg Warner EFR turbo and get the whole SS turbine housing.
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1985 BRG Turbo Esprit
Chargecooled w/Megasquirt EFI
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post #75 of 166 (permalink) Old 05-16-2018, 04:55 PM Thread Starter
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post #76 of 166 (permalink) Old 05-16-2018, 05:47 PM
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Quote:
Originally Posted by DerekOfBass View Post
Filter looks like the JAE filter I just received. Supposed to be identical to the OEM Lotus filter, from the same manufacturer.
Same here - I have one from JAE that looks like that. The mechanics had a hard time clearance-wise so went with an K&N oil filter.

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87 Esprit 'SLEEK GT'
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post #77 of 166 (permalink) Old 05-17-2018, 09:21 AM
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Eddie - I had a similar problem. The filter JAE sent me was too larger to fit (diameter). JAE indicated the filter they sent fits "all" 80's Esprits but perhaps the FI cars are the exception.
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post #78 of 166 (permalink) Old 05-17-2018, 04:12 PM
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Quote:
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Wow! Nice porn pictures...
Some serious hardware! What's PN & parameters?
It's an EFR6258-G with the twin-scroll T4 turbine housing option and a low-boost wastegate capsule.
Unit features water-cooled ceramic bearings, integrated blow-off valve and boost solenoid, divided flow wastegate and modern wheels. I wanted a small twin-scroll to take advantage of the Alunox manifold, and this was the best off the shelf option I saw. Maybe not the perfect 910 match, but it spools quickly and will make more power than I can use, while being easy to package the system. This is the smallest in a broad range of EFR's, go as big as you want!

http://www.turbos.bwauto.com/files/p...R%206258-G.pdf

Performance Turbos | BorgWarner Turbo Systems

1985 BRG Turbo Esprit
Chargecooled w/Megasquirt EFI

Last edited by snowrx; 05-17-2018 at 04:45 PM.
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post #79 of 166 (permalink) Old 05-21-2018, 06:31 PM Thread Starter
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Quote:
Originally Posted by MRDANGERUS View Post
I have attempted to convert to "ram air", but the space next to the CPU is very limited. If OE long duct is used for this purpose, the only possible configuration forces the duct into 180 deg bend, which partially defeats the purpose of this modification.

Next, I will experiment with aftermarket 3.5" dia elbows.
Here is my Ram Air solution:
one 3.5" dia silicone 135 deg elbow, trim ~1" , one end
one 3.5" dia silicone 90 deg elbow, trim ~1" , one end
50mm section of the aluminum 3.5" tube
4 Norma clamps

Tube has to be slightly squeezed to form an ellipse to clear the tank inlet tube.
Clamps on the tank pipes have to be re-clocked to avoid interference.

Short, smooth bore duct, easy to make, under $50.

Thank you eBay.
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Last edited by MRDANGERUS; 05-21-2018 at 06:52 PM.
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post #80 of 166 (permalink) Old 05-24-2018, 07:54 AM Thread Starter
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Sun roof wind noise remediation

Large gaps between s/roof edges and the body opening cause wind noise at higher speeds.
Adding a "D" or "P" rubber seal eradicates this problem.
Larger "D" from Amazon, smaller "P" from Sealsplusdirect.co.uk

>
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