2.5NA/200tdi chassis gas tank options ? (For a 90)

R

Robbiekb

Member
I did a quick I search and most conversation around gas tanks seems to involve the 110 so here we go.

I have an early 90, originally a 2.5NA on a new galvanized chassis. Post R2.8 engine swap I need more range. On a recent cross country trip I was stopping for Diesel every 60-100 miles! (Not every gas station has diesel)

so...
In my owners manual, there were 3 different side tanks for that era of truck, 45.5 , 54.58 and 68.2 litres respectively. Are they all interchangeable? (as in, will bolt up without cutting or any other fab work?)
I see that RN sells the bigger 68.2 litre tank. It'd be nice to just go use that.

72D981EE-9B56-4BB0-9993-25BA22D5077E.jpeg
 
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Napalm00

Napalm00

Technical Excellence Contributor
safari equip also makes a rear 90 tank that works with your existing tank setup

www.safari-equip.co.uk

Defender 90 Tdi Rear Tank Stainless Steel

Defender 90 Tdi Rear Tank Stainless Steel : Safari Equip : Manufactured in the UK : Defender 90 : Tdi : Rear Tank : Stainless Steel
www.safari-equip.co.uk www.safari-equip.co.uk


wish i could tell you on the drop in of the other types, Trevor @ rovah farm may know and can sell you them
 
jymmiejamz

jymmiejamz

Founding Member
Callsign: KN4JHI
Robbiekb said:
I did a quick I search and most conversation around gas tanks seems to involve the 110 so here we go.

I have an early 90, originally a 2.5NA on a new galvanized chassis. Post R2.8 engine swap I need more range. On a recent cross country trip I was stopping for Diesel every 60-100 miles! (Not every gas station has diesel)

so...
In my owners manual, there were 3 different side tanks for that era of truck, 45.5 , 54.58 and 68.2 litres respectively. Are they all interchangeable? (as in, will bolt up without cutting or any other fab work?)
I see that RN sells the bigger 68.2 litre tank. It'd be nice to just go use that.

View attachment 22081
Click to expand...
Only 60-100 miles to a tank? That seems low. Is your tank dented? Ive run into that a couple of times
 
R

Robbiekb

Member
It's a new (ish) tank that the previous owner installed in 2015, doesn't appear dented. He bought the tank based off of the VIN so he may have bought the 45.5 litre tank. I've owned the truck for 5 years but this is the first time I've driven anywhere significant in it and previously it wasn't Interstate speed capable so I've never tracked efficiency.

earlier in the trip I was getting around 20mpg but with a constant 20-40mph headwind that got cut in half crossing South Dakota and Wyoming. 60-100 miles was from full down to around a 1/4 tank and putting in about 8 gallons of diesel.
 
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