T4 vs VP 110 VS 101 4 stroke

TSCHAM101
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TSCHAM101
I currently run T4, but i can get VP 101 or 110 at a pump for a much smaller cost...

anybody run the 110 or 101 on their 4 stroke?

currently on a 350.
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Skerby
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Skerby 8/24/2021 11:30am
8/24/2021 11:30am
Probably a wash performance wise. Pump works good in 4 strokes too.
PNWRider
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PNWRider 8/24/2021 11:30am
8/24/2021 11:30am
Not sure about 101, but 110 is leaded and about 107/108 octane if memory serves. Unless you have a high-comp piston, you don’t need that much octane and it can actually run worse/lose power over pump 91. It’s also leaded, which doesn’t do much for four strokes (two strokes loved leaded fuel in modded form). I believe T4 is 97 octane give or take.

I run T4 as well and for a stock or lightly modded four-stroke I think it’s a better way to go. I’d run pump gas to save a few bucks, but it’s so full of crud now that I won’t do it.

Price does suck though.
5
Rickyisms 8/24/2021 11:32am
8/24/2021 11:32am
Sunoco GTX260 is a great stock/moderately modded 4 stroke and is cheaper than T4. A couple Sunoco pumps around me have it.
2
LouisianaMotocross 8/24/2021 1:12pm
8/24/2021 1:12pm
PNWRider wrote:
Not sure about 101, but 110 is leaded and about 107/108 octane if memory serves. Unless you have a high-comp piston, you don’t need that much...
Not sure about 101, but 110 is leaded and about 107/108 octane if memory serves. Unless you have a high-comp piston, you don’t need that much octane and it can actually run worse/lose power over pump 91. It’s also leaded, which doesn’t do much for four strokes (two strokes loved leaded fuel in modded form). I believe T4 is 97 octane give or take.

I run T4 as well and for a stock or lightly modded four-stroke I think it’s a better way to go. I’d run pump gas to save a few bucks, but it’s so full of crud now that I won’t do it.

Price does suck though.
That is the only reason I run t-4. I don't need an extra power on a 450 but I like to protect my 10K investment to the best of my ability.
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TSCHAM101
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TSCHAM101 8/24/2021 1:23pm
8/24/2021 1:23pm
PNWRider wrote:
Not sure about 101, but 110 is leaded and about 107/108 octane if memory serves. Unless you have a high-comp piston, you don’t need that much...
Not sure about 101, but 110 is leaded and about 107/108 octane if memory serves. Unless you have a high-comp piston, you don’t need that much octane and it can actually run worse/lose power over pump 91. It’s also leaded, which doesn’t do much for four strokes (two strokes loved leaded fuel in modded form). I believe T4 is 97 octane give or take.

I run T4 as well and for a stock or lightly modded four-stroke I think it’s a better way to go. I’d run pump gas to save a few bucks, but it’s so full of crud now that I won’t do it.

Price does suck though.
LouisianaMotocross wrote:
That is the only reason I run t-4. I don't need an extra power on a 450 but I like to protect my 10K investment to...
That is the only reason I run t-4. I don't need an extra power on a 450 but I like to protect my 10K investment to the best of my ability.
same here..
mxman
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mxman 8/24/2021 1:43pm
8/24/2021 1:43pm
If I recall, 4 strokes don't require super octane, they want higher oxygenation.
5
quadzrulebro 8/24/2021 1:44pm
8/24/2021 1:44pm Edited Date/Time 8/24/2021 1:45pm
I buy VP 110 leaded at the pump for $9 a gallon. I mix it 50/50 with 93 octane pump gas. Both of my last 2 stock 450s have been prone to detonate in hot weather under load when running straight 93. I can’t say that I notice a performance advantage, but it reduces the evil ethanol in my fuel by 50%, and it is cheap insurance to prevent me from harming my motor.
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cloud41
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cloud41 8/25/2021 4:52am
8/25/2021 4:52am
Pump gas works just fine
1
quadzrulebro 8/25/2021 5:04am
8/25/2021 5:04am
cloud41 wrote:
Pump gas works just fine
In theory, if you can find fresh, pure (non-ethanol) 93 octane gas in your area, you are correct. I’m cheap, so I assure you I would never pay for race gas if it wasn’t necessary. Both my previous 2017 CRF450R and my current 2019 KX450 detonated in the summer on hilly tracks under load. In my case, straight pump 93 did not work just fine. I would guess that this might have had to do with the quality of the gas at the station, but unfortunately, I have no control over that, which is why I’m forced to mix it.
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PNWRider
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PNWRider 8/25/2021 5:51am
8/25/2021 5:51am
cloud41 wrote:
Pump gas works just fine
quadzrulebro wrote:
In theory, if you can find fresh, pure (non-ethanol) 93 octane gas in your area, you are correct. I’m cheap, so I assure you I would...
In theory, if you can find fresh, pure (non-ethanol) 93 octane gas in your area, you are correct. I’m cheap, so I assure you I would never pay for race gas if it wasn’t necessary. Both my previous 2017 CRF450R and my current 2019 KX450 detonated in the summer on hilly tracks under load. In my case, straight pump 93 did not work just fine. I would guess that this might have had to do with the quality of the gas at the station, but unfortunately, I have no control over that, which is why I’m forced to mix it.
I’d also add that adding ethanol has allowed them to use crappy base fuel, then artificially raise the octane rating via the ethanol. Further, pump fuel has all kinds of additives in it that race fuel (even a “pump gas substitute” like T4) does not.
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Austin_Rankin 8/25/2021 7:19am
8/25/2021 7:19am
On a 22 350,


Running 450A and 25+ A

Using pump,

Tried non ethanol pump and bike popped alot.

Went back to pump no issues.
Yeti831
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Yeti831 8/25/2021 8:27am
8/25/2021 8:27am Edited Date/Time 8/25/2021 8:28am
Have you considered VPR?

It’s cheaper than T4 and is around the same as 110 last I checked, but is basically leaded T4. Plus with it being oxygenated at a lower octane and leaded, I think it’ll agree with your bike more.
Sandusky26
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Sandusky26 8/25/2021 3:06pm
8/25/2021 3:06pm
cloud41 wrote:
Pump gas works just fine
quadzrulebro wrote:
In theory, if you can find fresh, pure (non-ethanol) 93 octane gas in your area, you are correct. I’m cheap, so I assure you I would...
In theory, if you can find fresh, pure (non-ethanol) 93 octane gas in your area, you are correct. I’m cheap, so I assure you I would never pay for race gas if it wasn’t necessary. Both my previous 2017 CRF450R and my current 2019 KX450 detonated in the summer on hilly tracks under load. In my case, straight pump 93 did not work just fine. I would guess that this might have had to do with the quality of the gas at the station, but unfortunately, I have no control over that, which is why I’m forced to mix it.
How can you tell when yours is detonating? I could hear it on my 2 strokes.
JBecker 72
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JBecker 72 8/25/2021 3:23pm
8/25/2021 3:23pm
cloud41 wrote:
Pump gas works just fine
quadzrulebro wrote:
In theory, if you can find fresh, pure (non-ethanol) 93 octane gas in your area, you are correct. I’m cheap, so I assure you I would...
In theory, if you can find fresh, pure (non-ethanol) 93 octane gas in your area, you are correct. I’m cheap, so I assure you I would never pay for race gas if it wasn’t necessary. Both my previous 2017 CRF450R and my current 2019 KX450 detonated in the summer on hilly tracks under load. In my case, straight pump 93 did not work just fine. I would guess that this might have had to do with the quality of the gas at the station, but unfortunately, I have no control over that, which is why I’m forced to mix it.
I’m just a regular guy of average speed. Same with my friends. But all of us have been running E10 93 pump gas in our fuel injected four strokes without issues for years.
quadzrulebro 8/25/2021 5:38pm
8/25/2021 5:38pm
cloud41 wrote:
Pump gas works just fine
quadzrulebro wrote:
In theory, if you can find fresh, pure (non-ethanol) 93 octane gas in your area, you are correct. I’m cheap, so I assure you I would...
In theory, if you can find fresh, pure (non-ethanol) 93 octane gas in your area, you are correct. I’m cheap, so I assure you I would never pay for race gas if it wasn’t necessary. Both my previous 2017 CRF450R and my current 2019 KX450 detonated in the summer on hilly tracks under load. In my case, straight pump 93 did not work just fine. I would guess that this might have had to do with the quality of the gas at the station, but unfortunately, I have no control over that, which is why I’m forced to mix it.
Sandusky26 wrote:
How can you tell when yours is detonating? I could hear it on my 2 strokes.
It sounds just like knocking in a car. Modern cars with electronic ignitions probably don’t even knock any more, so you might need to be in the +40 class to even recognize it 😂
4
quadzrulebro 8/25/2021 5:53pm
8/25/2021 5:53pm Edited Date/Time 8/25/2021 5:54pm
cloud41 wrote:
Pump gas works just fine
quadzrulebro wrote:
In theory, if you can find fresh, pure (non-ethanol) 93 octane gas in your area, you are correct. I’m cheap, so I assure you I would...
In theory, if you can find fresh, pure (non-ethanol) 93 octane gas in your area, you are correct. I’m cheap, so I assure you I would never pay for race gas if it wasn’t necessary. Both my previous 2017 CRF450R and my current 2019 KX450 detonated in the summer on hilly tracks under load. In my case, straight pump 93 did not work just fine. I would guess that this might have had to do with the quality of the gas at the station, but unfortunately, I have no control over that, which is why I’m forced to mix it.
JBecker 72 wrote:
I’m just a regular guy of average speed. Same with my friends. But all of us have been running E10 93 pump gas in our fuel...
I’m just a regular guy of average speed. Same with my friends. But all of us have been running E10 93 pump gas in our fuel injected four strokes without issues for years.
Good for you. As a B class racer at 6’3”, 215, I probably put a little more load on an engine than the average bear.
murph783
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murph783 8/25/2021 6:32pm
8/25/2021 6:32pm
quadzrulebro wrote:
In theory, if you can find fresh, pure (non-ethanol) 93 octane gas in your area, you are correct. I’m cheap, so I assure you I would...
In theory, if you can find fresh, pure (non-ethanol) 93 octane gas in your area, you are correct. I’m cheap, so I assure you I would never pay for race gas if it wasn’t necessary. Both my previous 2017 CRF450R and my current 2019 KX450 detonated in the summer on hilly tracks under load. In my case, straight pump 93 did not work just fine. I would guess that this might have had to do with the quality of the gas at the station, but unfortunately, I have no control over that, which is why I’m forced to mix it.
Sandusky26 wrote:
How can you tell when yours is detonating? I could hear it on my 2 strokes.
quadzrulebro wrote:
It sounds just like knocking in a car. Modern cars with electronic ignitions probably don’t even knock any more, so you might need to be in...
It sounds just like knocking in a car. Modern cars with electronic ignitions probably don’t even knock any more, so you might need to be in the +40 class to even recognize it 😂
I just tried explaining that to someone the other day. It’s a knocking…no, pinging…ahhh I dunno you’ll know it when you hear it lol
Rickyisms 8/25/2021 6:34pm
8/25/2021 6:34pm
Sandusky26 wrote:
How can you tell when yours is detonating? I could hear it on my 2 strokes.
quadzrulebro wrote:
It sounds just like knocking in a car. Modern cars with electronic ignitions probably don’t even knock any more, so you might need to be in...
It sounds just like knocking in a car. Modern cars with electronic ignitions probably don’t even knock any more, so you might need to be in the +40 class to even recognize it 😂
murph783 wrote:
I just tried explaining that to someone the other day. It’s a knocking…no, pinging…ahhh I dunno you’ll know it when you hear it lol
The first time my 125 detonated I thought I was going to be picking shrapnel out of my legs.

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Sandusky26
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Sandusky26 8/26/2021 1:16am
8/26/2021 1:16am
quadzrulebro wrote:
In theory, if you can find fresh, pure (non-ethanol) 93 octane gas in your area, you are correct. I’m cheap, so I assure you I would...
In theory, if you can find fresh, pure (non-ethanol) 93 octane gas in your area, you are correct. I’m cheap, so I assure you I would never pay for race gas if it wasn’t necessary. Both my previous 2017 CRF450R and my current 2019 KX450 detonated in the summer on hilly tracks under load. In my case, straight pump 93 did not work just fine. I would guess that this might have had to do with the quality of the gas at the station, but unfortunately, I have no control over that, which is why I’m forced to mix it.
Sandusky26 wrote:
How can you tell when yours is detonating? I could hear it on my 2 strokes.
quadzrulebro wrote:
It sounds just like knocking in a car. Modern cars with electronic ignitions probably don’t even knock any more, so you might need to be in...
It sounds just like knocking in a car. Modern cars with electronic ignitions probably don’t even knock any more, so you might need to be in the +40 class to even recognize it 😂
Haha I’m 29 so I still don’t know what you talking about. If it’s like a 2 stroke where you will know if it pinging then I should be good.
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Sandusky26
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Sandusky26 8/26/2021 1:20am
8/26/2021 1:20am
murph783 wrote:
I just tried explaining that to someone the other day. It’s a knocking…no, pinging…ahhh I dunno you’ll know it when you hear it lol
My YZ250 sounded like radio static coming out of corners. My RMZ must be good, never Knocks under any load.

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