Dusterbd13-michael
Dusterbd13-michael MegaDork
3/31/24 10:40 a.m.

Need a few gallons of cheap insurance. Will the pumps be open? What forms of payment?

Dusterbd13-michael
Dusterbd13-michael MegaDork
4/1/24 10:23 a.m.

Any feedback on this Tom?

Tom Suddard
Tom Suddard GRM+ Memberand Publisher
4/1/24 10:29 a.m.

I'll ask the track. 

surfshibby07
surfshibby07 Dork
4/1/24 10:30 a.m.

In reply to Dusterbd13-michael :

if they are unavailable let me know what you need and i can grab 5 gallons for you and bring it with me. I have 110 race fuel not far from me as well as many e85 options. 

Dusterbd13-michael
Dusterbd13-michael MegaDork
4/1/24 10:30 a.m.

In reply to Tom Suddard :

Thanks!

Dusterbd13-michael
Dusterbd13-michael MegaDork
4/1/24 10:31 a.m.

In reply to surfshibby07 :

Will do. Just need 5 gal of 110 unleaded. With not being able to tune for the Boost increase my Subaru has seen, I want to add some octane to the tank for when it over boosts to the point it's not tuned to hopefully keep it from blowing up

surfshibby07
surfshibby07 Dork
4/1/24 11:49 a.m.

In reply to Dusterbd13-michael :

i need to check but i believe the 110 they sell is leaded.

Dusterbd13-michael
Dusterbd13-michael MegaDork
4/1/24 1:03 p.m.

In reply to surfshibby07 :

Please do. Or at least highest octane unleaded available. If it's higher than 93, grab me five gallon and tell me what I owe you. 

Keith Tanner
Keith Tanner GRM+ Memberand MegaDork
4/1/24 1:13 p.m.

Sherwyn Williams sells toluene by the gallon :)

Dusterbd13-michael
Dusterbd13-michael MegaDork
4/1/24 1:14 p.m.

In reply to Keith Tanner :

Going to need some education on that

Keith Tanner
Keith Tanner GRM+ Memberand MegaDork
4/1/24 1:20 p.m.

In reply to Dusterbd13-michael :

Basically old-school octane booster. It's about 120 octane (I think) so one gallon of toluene mixed with 5 gallons of 93 octane will get you about 97.5 octane fuel. You end up with the average octane of all the fuels mixed into the tank.

wae
wae UltimaDork
4/1/24 1:27 p.m.

In reply to Keith Tanner :

🤯

I feel like that's something I should have known and am an idiot for not realizing!

Tom Suddard
Tom Suddard GRM+ Memberand Publisher
4/1/24 1:36 p.m.

Ok, the track is willing to open up the pumps--just let a staff member know and they'll turn them on.

Dusterbd13-michael
Dusterbd13-michael MegaDork
4/1/24 1:37 p.m.
Keith Tanner said:

In reply to Dusterbd13-michael :

Basically old-school octane booster. It's about 120 octane (I think) so one gallon of toluene mixed with 5 gallons of 93 octane will get you about 97.5 octane fuel. You end up with the average octane of all the fuels mixed into the tank.

I feel like this is challenge gold and nobody has thought about before or at least that I've read. I have 5 gallons waiting for me at the Sherwin-Williams up in Concord.

The question is if I add 5 gallons of this to 10 gallon of 93 what octane will I wind up with and is it something I need to worry about?

Dusterbd13-michael
Dusterbd13-michael MegaDork
4/1/24 1:37 p.m.
Tom Suddard said:

Ok, the track is willing to open up the pumps--just let a staff member know and they'll turn them on.

Fantastic Tom thank you! And by staff member do you mean grm or track?

Tom Suddard
Tom Suddard GRM+ Memberand Publisher
4/1/24 1:39 p.m.
Dusterbd13-michael said:
Tom Suddard said:

Ok, the track is willing to open up the pumps--just let a staff member know and they'll turn them on.

Fantastic Tom thank you! And by staff member do you mean grm or track?

Track staff, or GRM staff who will then find track staff.

Keith Tanner
Keith Tanner GRM+ Memberand MegaDork
4/1/24 2:01 p.m.
Dusterbd13-michael said:
Keith Tanner said:

In reply to Dusterbd13-michael :

Basically old-school octane booster. It's about 120 octane (I think) so one gallon of toluene mixed with 5 gallons of 93 octane will get you about 97.5 octane fuel. You end up with the average octane of all the fuels mixed into the tank.

I feel like this is challenge gold and nobody has thought about before or at least that I've read. I have 5 gallons waiting for me at the Sherwin-Williams up in Concord.

The question is if I add 5 gallons of this to 10 gallon of 93 what octane will I wind up with and is it something I need to worry about?

Just average the octane. If toluene is 120 octane, then you end up with

((5*120)+(10*93))/15 = 102

 

I know there are redundant parenthenses in there, but I'm not taking order of operations for granted :)

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