Bigger fuel tank

[fly-boy]

So the dealer is bringing my new truck into the bay today to start the transformation- I was there yesterday looking everything over. It's gonna be nice.
The only hanging item is whether or not I want to replace the stock 35 gallon tank with a 65 gallon unit. Kind of leaning towards it. I could go to Santa Barbara to visit family and back to AZ and never have to buy CA overtaxed fuel! It would also be nice when hauling the bigger trailers.

What do you guys think? Any draw backs?

[fly-boy]

Dealer is installing so no change to warranty. The gauge works like normal.
The biggest thing for me is that I can avoid buying CA fuel when I go to visit family and friends- more of a way to take a stand against the way CA does business than anything else...
From a convenience standpoint, on long hauls I can buy fuel when/where I want and don't have to plan stops based on fuel issues.

From a weight standpoint- an extra 30 gallons of fuel is a non-issue for me.

[Me_Again]

ktmrfs wrote:
only drawback is when full it reduces your cargo capacity by roughly 6lbs/gallon of fuel. so around 250lbs going from 35 to 60lbs.

For diesel 7 lbs per gallon is a better number, plus the weight of the tank and plumbing.

When I drove tanker we used 6.1 for gas and 7.1 for diesel. That was before LSD or ULSD.

Chris

[thomasmnile]

No one mentioned this but would replacing an OEM tank with an aftermarket tank in any way jeopardize a new vehicle's powertrain warranty if a fuel system related problem occurred? I certainly see the benefit but..............

[ktmrfs]

only drawback is when full it reduces your cargo capacity by roughly 6lbs/gallon of fuel. so around 250lbs going from 35 to 60lbs.

When we had our 04 duramax, I was really tempted for a bigger tank. Thankfully our 2015 has the 35 gallon tank. enough bigger to satisfy me. I've gone 750 mile non towing without filling or turning on the "low fuel light". Yes 50 or 60 gallons would be nice but not for the extra $$$. Now if the tank was still only 25 Gallons yes. And if I was towing with a gasser, YES.

But it all boils down to what YOU need and desire and are willing to pay for.

[45Ricochet]

rottidawg wrote:
If I could only have the bladder range that my 36 gallon gas tank has!
You guys must all be youngsters, actually a 20 gallon would probably work.

Don't get us old guys wrong, we still stop for breaks. Just don't need to find a big fuel station as much.
That is my biggest gripe with a MH towing a toad. No backing up like a fifth wheel would do with ease.

[FishOnOne]

fly-boy wrote:
Thanks guys- I bit the bullet and the big tank is going in when they do everything else.
The bigger tank has no affect on ground clearance either.
Will be really nice to have that kind of range.

Can the fuel gauge be reprogrammed to accommodate the larger tank?

[fly-boy]

Thanks guys- I bit the bullet and the big tank is going in when they do everything else.
The bigger tank has no affect on ground clearance either.
Will be really nice to have that kind of range.

[Halmfamily]

I've have a 100 gallon transfer flow in the bed, combined with the OEM tank I have 135 gallons on board. It's nice to fill up once per trip just sucks to pay at a fill up.

[mich800]

rottidawg wrote:
If I could only have the bladder range that my 36 gallon gas tank has!
You guys must all be youngsters, actually a 20 gallon would probably work.

Just remember, it is to drive farther without the requirement of filling up. Not drive farther without stopping. It is nice being able to stop at out of the way attractions without the need to think about can I get fuel there.

[rottidawg]

If I could only have the bladder range that my 36 gallon gas tank has!
You guys must all be youngsters, actually a 20 gallon would probably work.

[dapperdan]

I have an RDS 45 Gal in the bed of my Ram, I took it out of the old truck before we turned it in. I love having the extended range, affords me to buy fuel where I want not where and when I need it. Is it a necessity? No, it's personal preference, some like 'em, some can't see the sense of 'em. To each his own.

Dan

[Trackrig]

You need the larger tank, I've always had one. If it's going to be a pavement queen then swap out the OEM tank. If it's going to be off the road some, put a tank in the bed - the aftermarket tanks hang down too far to get off the road. I have a OEM 36 gal tank and another 100 gal tank in the bed.

Since it's a new truck, you might also look at installing an additional fuel filter to make sure the fuel system and injectors stay clean.

Bill

[45Ricochet]

It's really nice to only have to find a big fuel station every other day with a bigger fuel tank. You having a dually should be no problem with the extra weight.

[BenK]

Only draw backs are increased weight/loss in payload and that some
stations limit each $ transaction and you'll have to re-swipe (some
times another card, as some of mine will no allow it...looks like a
stolen card buying fuel for buddies)

Loved having a 50gal in my K5 and only a maybe for my Sub, as it has an
OEM 42 gal tank