Bad racing fuel ?????

rick978 · 10-06-2014, 10:20 AM

i need help with this one . we tested fri night with our 90 mustang n/sa with some changes made pro m maf 70mm with 24lb cal and ford racing 24lbs .and no spacer between plenum . cold night and rain is on the horizon. car ran first pass with good burnout 13.1 .came back bumped timing up a little added fuel we had from last time out (2 weeks ago vp 110 oct) . diff lane not too much of a burnout car went sideways out then ran a 13.9 almost same mph @ 100 came back took timing out a little timing out added new fuel (just purchased )to top cell off car took off to staging and did a burnout then fell flat on its face when light went green .limped down track did not want to idle also would rev then die on idle set timing back went up again and died in staging . since then we put everthing back to previous setup . still wont idle also exh does not have same smell (race fuel smell) gas guy had just ran out of 110 and opened a new 55 gal for us i am pretty sure it did not have any color to it after checking everything we can the fuel is next to looked at .going to drain cell and look to see if it has the purple color and smell of 110 vp fuel . has anyone ever had this happen to them ? maybe bad 55 drum ??or am i over looking the obvious . someone also mention that the royal purple oil might have washed the cyl out and we now have low compression ?thanks any info we vcan try will be helpful heres a little info on car
90 stang stk elim n/sa c4 auto 4.56 gear 30 x 9. 15 hoosiers a9p computer egr delete no ps alt only elect pump msd dist and box and wires car starts but stumbles at low rpm can rev and hold high idle exh smells a little rich and weird also plugs are light brown

Dave Ribeiro · 10-06-2014, 10:41 AM

Rick,

I had some problems with VP-110 a couple of years ago ... It's only go for testing, NHRA doesn't have it on the approve list !!! IHRA , does the last time I checked ?? The VP-110 is a mix of left over race fuels & does funny things to the plugs + tune-ups ... I finally changed to Sunoco 110 & now they are having problems passing NHRA checks ... I finally went to C-12 and it passes every-time ... The dollar or two difference isn't worth the time & money we spend to go to NHRA races !!!! LOL?

rick978 · 10-06-2014, 10:55 AM

can that fuel be purchased outside of the track /speedshop or on line ?

Myron Piatek · 10-06-2014, 11:46 AM

With Sunoco becoming the official fuel of NHRA, there should be less issues with fuel check and it should be available at the track as well. But they do have an extensive distribution network if you want to get it before a race.

http://www.nhra.com/story/2014/5/5/s...icial-sponsor/

http://racegas.com/fuelfinder

Mike Taylor 3601 · 10-06-2014, 01:54 PM

No matter who's fuel I use,when I pump from the barrel I don't stick pump to bottom of barrel in case there is any water and that is always possible.
They may pumped off bottom of barrel and you got mixture of water and gas
Mike Taylor 3601

CFMCNC · 10-09-2014, 12:55 AM

A good investment for the trailer is a Specific gravity tester,Computech has a fair priced one.One way to tell if the fuel is going bad is by weight as bad fuel often will weigh heavier .Bill C.

10-06-2014, 10:20 AM	#1
rick978 Junior Member Join Date: Aug 2014 Location: Methuen Ma. Posts: 30 Likes: 0 Liked 1 Time in 1 Post	Bad racing fuel ????? i need help with this one . we tested fri night with our 90 mustang n/sa with some changes made pro m maf 70mm with 24lb cal and ford racing 24lbs .and no spacer between plenum . cold night and rain is on the horizon. car ran first pass with good burnout 13.1 .came back bumped timing up a little added fuel we had from last time out (2 weeks ago vp 110 oct) . diff lane not too much of a burnout car went sideways out then ran a 13.9 almost same mph @ 100 came back took timing out a little timing out added new fuel (just purchased )to top cell off car took off to staging and did a burnout then fell flat on its face when light went green .limped down track did not want to idle also would rev then die on idle set timing back went up again and died in staging . since then we put everthing back to previous setup . still wont idle also exh does not have same smell (race fuel smell) gas guy had just ran out of 110 and opened a new 55 gal for us i am pretty sure it did not have any color to it after checking everything we can the fuel is next to looked at .going to drain cell and look to see if it has the purple color and smell of 110 vp fuel . has anyone ever had this happen to them ? maybe bad 55 drum ??or am i over looking the obvious . someone also mention that the royal purple oil might have washed the cyl out and we now have low compression ?thanks any info we vcan try will be helpful heres a little info on car 90 stang stk elim n/sa c4 auto 4.56 gear 30 x 9. 15 hoosiers a9p computer egr delete no ps alt only elect pump msd dist and box and wires car starts but stumbles at low rpm can rev and hold high idle exh smells a little rich and weird also plugs are light brown Last edited by rick978; 10-06-2014 at 10:23 AM.

10-06-2014, 10:41 AM	#2
Dave Ribeiro VIP Member Join Date: Sep 2002 Location: Williamsburg, Va.---USA Posts: 1,827 Likes: 1,612 Liked 56 Times in 27 Posts	Re: Bad racing fuel ????? Rick, I had some problems with VP-110 a couple of years ago ... It's only go for testing, NHRA doesn't have it on the approve list !!! IHRA , does the last time I checked ?? The VP-110 is a mix of left over race fuels & does funny things to the plugs + tune-ups ... I finally changed to Sunoco 110 & now they are having problems passing NHRA checks ... I finally went to C-12 and it passes every-time ... The dollar or two difference isn't worth the time & money we spend to go to NHRA races !!!! LOL? __________________ Dave Ribeiro 1033 STK

10-06-2014, 10:55 AM	#3
rick978 Junior Member Join Date: Aug 2014 Location: Methuen Ma. Posts: 30 Likes: 0 Liked 1 Time in 1 Post	Re: Bad racing fuel ????? can that fuel be purchased outside of the track /speedshop or on line ?

10-06-2014, 11:46 AM	#4
Myron Piatek VIP Member Join Date: Nov 2001 Location: Florida Posts: 1,542 Likes: 34 Liked 138 Times in 51 Posts	Re: Bad racing fuel ????? With Sunoco becoming the official fuel of NHRA, there should be less issues with fuel check and it should be available at the track as well. But they do have an extensive distribution network if you want to get it before a race. http://www.nhra.com/story/2014/5/5/s...icial-sponsor/ http://racegas.com/fuelfinder __________________ LOCOMOTION Racing Last edited by Myron Piatek; 10-06-2014 at 11:50 AM.

10-06-2014, 01:54 PM	#5
Mike Taylor 3601 VIP Member Join Date: Oct 2008 Location: Somerset,Ky Posts: 1,372 Likes: 354 Liked 307 Times in 103 Posts	Re: Bad racing fuel ????? No matter who's fuel I use,when I pump from the barrel I don't stick pump to bottom of barrel in case there is any water and that is always possible. They may pumped off bottom of barrel and you got mixture of water and gas Mike Taylor 3601

10-09-2014, 12:55 AM	#6
CFMCNC Junior Member Join Date: Apr 2012 Location: Somwhere in NJ Posts: 72 Likes: 4 Liked 3 Times in 3 Posts	Re: Bad racing fuel ????? A good investment for the trailer is a Specific gravity tester,Computech has a fair priced one.One way to tell if the fuel is going bad is by weight as bad fuel often will weigh heavier .Bill C.