The Definitive Fuel Tank Guide - Page 6 - LotusTalk - The Lotus Cars Community
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post #101 of 132 (permalink) Old 04-03-2014, 06:15 PM Thread Starter
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I assume those are V8 tanks. Vintage 2001? car sold where?

The tanks are the same but the appendages are different.

The sender is likely a tube type sender, and can be pulled by removing the bolts.

I don't know how to remove the plastic vent fittings.

Interesting!

Randy
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post #102 of 132 (permalink) Old 04-03-2014, 06:20 PM Thread Starter
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Looking at those fittings some more, they do look like some I have seen in other applications. In those they simply screwed out by removing the hoses and then turning the nipples counter clockwise.
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post #103 of 132 (permalink) Old 04-03-2014, 07:35 PM
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Right, 2001 US car.

The two bigger ones look like they will unscrew. They have tangs around the edge, and I tried to get the tips of some channel locks onto those from the top and twist the jaws (I used this technique on my 928's fuel sender cap), but it really doesn't want to move. But it seems like they put some sealant/bonding around the mating surface when installing and then screwed it down into the sealant. So I'm guessing I have to cut it away?

The smaller blue insert seems like it's pressed into a rubber sleeve/grommet. It will spin, but I pryed and pulled the plastic part up from the grommet and it doesn't really want to come free either. I'm afraid of breaking that one too.

Even the hoses are a crazy tight fit. You certainly don't want any leaks, but wow. I would have trusted the clamps more. I had to cut away the small hose connecting to the overhead tube because I just couldn't get enough of a grip on it to slide it off.

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post #104 of 132 (permalink) Old 04-17-2014, 01:28 PM
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If I ever complain about the cost of the Esprit fuel tank just slap me

Ferrari 355 2 7 Fuel Gas Tank 157685 | eBay
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post #105 of 132 (permalink) Old 04-17-2014, 05:34 PM
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Eeeek.

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post #106 of 132 (permalink) Old 04-18-2014, 07:12 PM
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Holy smokies! Nine....thousand...clams.... Put me on the list of "Slap me if I ever complain about the price of an Esprit gas tank..."
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post #107 of 132 (permalink) Old 04-18-2014, 09:22 PM
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I recall a Wheeler Dealer episode where they were fixing up a Ferrari and Ed China said he was reusing the distributor cap because a new one was more that 400 pounds sterling - about $650. So a $9000 gas tank is kind of what I'd expect.

It really does put Lotus in perspective, eh? It is undeniably true IMHO that the Esprit is the best bargain in the world of performance sports cars.


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post #108 of 132 (permalink) Old 09-05-2014, 05:39 AM
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When removing the foam sheets of rust that used to be steel came off with foam. bottom pin hole size of pencil lead spotted. After hitting it with wire brush more holes opened up.

Left side gas tank is hosed. Cutting bottom of tank out and welding in new piece. Removing right side in the next hour

Cal H
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post #109 of 132 (permalink) Old 09-05-2014, 10:13 AM
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Also elected to weld new bottom of the right side tank too.

Cal H
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post #110 of 132 (permalink) Old 10-02-2014, 07:03 PM
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post #111 of 132 (permalink) Old 10-03-2014, 03:35 AM
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The insides were baffled, with the close up nature of the bore scope and video camera it was hard to see other than small sections at a time. Unfortunately I did not take pictures as I was trying to get the car for fast track assembly for LOG 34 which it turns out I did not make due to the liner lift up and worn bearings.

I look at it as a good thing as it would have been tragic to have assembled the engine with the condition of those bearings. In my younger years I would have regarded the unforeseen items as bad luck and extra work, As a veteran owner I now look at it as fortunate discoveries and dodging potential disasters should the car have been assembled and driven on the road. Just like the defective tanks. Can you imagine the sinking feeling of someone spending the time and effort on the rebuilding the engine only to have the gas come leaking out and maybe a engine fire. So big thanks to Randy.

Exterior tops and sides of the tanks had just surface rust. Except for the bottoms the inside was in much better shape. The interior had light surface rust in spots probably due to moisture or condensation. The fuel pump well looked good. The bottoms were opened up, insides were media blasted, rewelded and sealed.

A good portion of the tank came off with the foam. I would say the bottom lost about 70-80% thickness and when wire brushed opened up 6-10 pin holes. It was that precarious.

So the funny part of the story. I remove the the tanks and take them the gas tank repair shop. I talk to the guy about what I want done to the tanks and show him the tanks in the back of my van and he says "hey Lotus Esprit tanks". Just about floors me when he said that. It turns out Cammack just had several tanks done, and Griese is in line right behind me with his tanks. So this small shop in Shakopee, MN has experience in refurb of Esprit fuel tank. Gave recommendations on getting the new fuel pump, strainer, etc.

Also did you see the pics of the SP300 frame stiffener and mounting bungs that Griese posted of the fabrication?

Cal H
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post #112 of 132 (permalink) Old 10-03-2014, 08:05 AM
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Thanx Cal,

Pics of the SP300 frame stiffener and mounting bungs?
Where? What Forum?
I'm all ears!

And, yes! Older tanks are going bad. It is a ticking time b*o*m*b.

Last edited by MRDANGERUS; 10-03-2014 at 08:31 AM.
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post #113 of 132 (permalink) Old 10-15-2014, 09:49 PM
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Someone has mentioned the "engine mount removal technique" to gain clearance to pull out the LH tank.
Just the long bolt (57) and 3 short ones (74) from the block?
How about left tranny mount, take it down or not?
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Last edited by MRDANGERUS; 10-15-2014 at 09:55 PM.
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post #114 of 132 (permalink) Old 10-15-2014, 11:44 PM
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Quote:
Originally Posted by MRDANGERUS View Post
Thanx Cal,

Pics of the SP300 frame stiffener and mounting bungs?
Where? What Forum?
I'm all ears!
[snip]

You may have missed his post on this thread you're in - the first URL:

https://www.lotustalk.com/forums/f164...7/#post3536305

Eddie B
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post #115 of 132 (permalink) Old 10-16-2014, 03:04 PM
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John,


You cannot fully remove the long vertical bolt #57 from the LH engine mount with the exhaust manifold in place.


So, remove the three mount-to-block bolts. Loctite them back in, on reassembly. They DO come loose...


Alternate means of LH tank removal (besides dropping the engine a bit) are:

A. Remove the engine

B. remove the intake cam carrier

c. Unbolt the body from the frame and raise it a bit.

d. Take a Sawzall to the LH sail panel. (<--- don't laff, it's been done)

Atwell Haines
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post #116 of 132 (permalink) Old 10-18-2014, 05:25 AM
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post #117 of 132 (permalink) Old 10-20-2014, 05:13 PM
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Keep in mind that a USA '88 Esprit is a completely different animal than pretty much any other Esprit....

The BOSCH system totally adds some large differences when it comes to working on the engine, fuel system, exhaust, turbo, electronics... The UK '88 did not have the BOSCH, nor the Citroen transmission.

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post #118 of 132 (permalink) Old 10-20-2014, 10:11 PM
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post #119 of 132 (permalink) Old 10-21-2014, 06:17 AM
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Quote:
Originally Posted by MRDANGERUS View Post
Australian 1988/89 Turbos are the same as 88 ET US version, they are identical.
They are LH drive???????????????????????????????

Or, are you just talking about the fuel tanks?

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post #120 of 132 (permalink) Old 10-21-2014, 04:38 PM
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Except being RHD, they were the same! With Bosch injection, Citroen transaxle and inboard brakes.
25 Stevens ETs were delivered in 1988 with same running gear as the HCI S3.
Allegedly, another batch was delivered later that year, but the import company went defunct and their assets were frozen.
So the rest of the 88 cars were recovered in 89 and sold as 89MY.

http://www.lotusesprit.com.au/vic.htm

Last edited by MRDANGERUS; 10-21-2014 at 07:19 PM.
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