Re: Aviation fuel in a drag car. OK or Bad idea?
[Re: mopars rule]
#188619
01/09/09 04:53 PM
01/09/09 04:53 PM
|
Joined: Jan 2003
Posts: 2,915 A shed in England
Tig
master
|
master
Joined: Jan 2003
Posts: 2,915
A shed in England
|
Works for me, since c12 is really expensive over here, typically equal to $160.00 for 5 US gallons. We mix it with super unleaded to boost octane (50/50). Opinions may differ though
'74 Challenger..9.46 @ 145.9 1/4, 6.001 @ 118 1/8 so far. 4023lb !!! # N/A, Marsh performance 655ci, Indy Maxx, T/R, Indy 600-13 X's, Street legal, pump gas, full interior, Cal-Tracs, mufflers, 3:73's and real 10.5 radials. 9.51 @ 142.4 1/4, 6.003 @ 114 1/8 with our old mule KB, 572-13, 580 wedge. RHD '68 Barracuda Fastback 323ci street/strip. Best ET 13.88 @ 99.03
|
|
|
Re: Aviation fuel in a drag car. OK or Bad idea?
[Re: mopars rule]
#188620
01/09/09 05:07 PM
01/09/09 05:07 PM
|
Anonymous
Unregistered
|
Anonymous
Unregistered
|
Back in the 1970 and 1980 we ran it straight in our 63 Ply and 64 Dodge super stock all the time and now I run it mixed with 93 octane in my six pack steet Road Runner never had a problem.
Thanks Moparts
|
|
|
Re: Aviation fuel in a drag car. OK or Bad idea?
[Re: cgall]
#188622
01/09/09 06:44 PM
01/09/09 06:44 PM
|
Joined: Jan 2003
Posts: 11,708 Portage,michigan
B3422W5
I Live Here
|
I Live Here
Joined: Jan 2003
Posts: 11,708
Portage,michigan
|
Quote:
It is 110 octane leaded gasoline, I've run it many times without issues.
I was lead to understand its more like 100-102 octane, and has some altitude additives that make it less than ideal to run in a car
69 Dart GTS A4 Silver All steel, flat factory hood, 3360race weight 418 BPE factory replacement headed stroker, 565 lift solid cam Best so far, 10.40 @127 1/4 1.41 best 60 foot 6.60 at 103.90 1/8
|
|
|
Re: Aviation fuel in a drag car. OK or Bad idea?
[Re: B3422W5]
#188623
01/09/09 06:49 PM
01/09/09 06:49 PM
|
Joined: Jan 2003
Posts: 5,406 Diego-Town, CA
Diego_Ted
master
|
master
Joined: Jan 2003
Posts: 5,406
Diego-Town, CA
|
Quote:
Quote:
It is 110 octane leaded gasoline, I've run it many times without issues.
I was lead to understand its more like 100-102 octane, and has some altitude additives that make it less than ideal to run in a car
Yes that was the concensis!! Been down this path before.
diego
|
|
|
Re: Aviation fuel in a drag car. OK or Bad idea?
[Re: maximum entropy]
#188630
01/09/09 08:03 PM
01/09/09 08:03 PM
|
Joined: Jan 2003
Posts: 25,200 Upper Midwest
MoparforLife
Too Many Posts
|
Too Many Posts
Joined: Jan 2003
Posts: 25,200
Upper Midwest
|
Quote:
Quote:
High octane gas has a slower burn rate than regular gas. High octane fuel does not make more power. Running more octane than you need can produce less power.
high octane makes it more resistant to detonation/ spontaneous ignition. high octane fuel can make more power- dynos don't lie. much.
Up to the point of your engines need for octane. After that point the power can deteriorate and using more octane than the engine wants is a waste of money. The burn rate of high octane is slower than lower octane. This the reason for more advance needed to get a complete burn for the power stroke of the engine.
|
|
|
Re: Aviation fuel in a drag car. OK or Bad idea?
[Re: maximum entropy]
#188631
01/09/09 08:03 PM
01/09/09 08:03 PM
|
Joined: Feb 2008
Posts: 2,648 GA
Boosted
master
|
master
Joined: Feb 2008
Posts: 2,648
GA
|
ran it in many turbo cars with no problems including the race cars... Av Gas has an aditive in it to keep it from freezing.. No harm at all except to a car running o2's...
106 octane fuel... Per the guy that delivers it to our local airport...
2011 RAM3500
1967 Fastback Barracuda with some go fast goodies.
|
|
|
Re: Aviation fuel in a drag car. OK or Bad idea?
[Re: jp66charger]
#188636
01/09/09 10:48 PM
01/09/09 10:48 PM
|
Joined: Feb 2004
Posts: 34,871 S.E. South Dakota !
bigdad
Still Posting A Lot
|
Still Posting A Lot
Joined: Feb 2004
Posts: 34,871
S.E. South Dakota !
|
If its a "race car" ..it should have "race fuel" designed for application
IMO
The lips of fools bring them strife, and their mouths invite a beating.Proverbs 18:6
|
|
|
Re: Aviation fuel in a drag car. OK or Bad idea?
[Re: Mroctober]
#188639
01/10/09 02:45 AM
01/10/09 02:45 AM
|
Joined: Aug 2003
Posts: 43,123 Bend,OR USA
Cab_Burge
I Win
|
I Win
Joined: Aug 2003
Posts: 43,123
Bend,OR USA
|
I use to use avaition fuel in my race cars until I found all of the exhaust valves and seats pitted in my NHRA A/SA 1963 M.W. Belevedere, that was over thirty years ago when valves where cheaper. I have use race gas in my race motors every sense No burnt or pitted valves on race gas so far I owned a 1960 Piper Comanche airpalne for 15 yrs that had a 260 HP engine rated at 2700 RPM 540 C.I. air cooled opposed six cylinder in it, if I baby it at all it would lead foul spark plugs so I learned to lean the motor out as soon as it started and never let it loaf unless I was descending to land, I still kept the mixture fairly lean unless I was doing what is referred to as a go around and you then go to full rich for max power and lean it out as soon as you reach 3000 ft. above seal level. Avaition gas is design and made for slow turning low compression (8.5 or lees) air cooled engine, not high compression high revving race motors, avaition gas also has additives to give it a long shelf life as a lot of general avaition airplanes sit a lot between flights the specific gravity of most batches of 100 LL is around or under .690, most good race gas is higher than that
Mr.Cab Racing and winning with Mopars since 1964. (Old F--t, Huh)
|
|
|
Re: Aviation fuel in a drag car. OK or Bad idea?
[Re: bigdad]
#188640
01/10/09 04:46 PM
01/10/09 04:46 PM
|
Joined: Jan 2003
Posts: 25,748 Rio Linda, CA
John_Kunkel
Too Many Posts
|
Too Many Posts
Joined: Jan 2003
Posts: 25,748
Rio Linda, CA
|
Whether or not avgas is suitable for a race car depends on the car/combo. If your combo's requirement exceeds the octane rating of avgas it's not suitable, for others it is.
The INTERNET, the MISinformation superhighway
|
|
|
Re: Aviation fuel in a drag car. OK or Bad idea?
[Re: rebel]
#188644
01/11/09 06:25 AM
01/11/09 06:25 AM
|
Joined: Jan 2003
Posts: 8,180 Detroit, MI
CokeBottleKid
master
|
master
Joined: Jan 2003
Posts: 8,180
Detroit, MI
|
I was close to choosing AVgas testing as a senior project for school this past week, simply because it's ALWAYS a debate when someone brings it up yet NO ONE has any REAL data other than here-say and conjecture. Since I didn't choose it for my project, here's my here-say and conjecture . It's rated at 100 RON, i've NEVER seen any MON data, also i've HEARD the way the RON test is done is DIFFERENT than the one done for vehicles. I've HEARD it actually has better storage properties than race fuel, octane does not degrade nearly as fast since planes stay on tarmacs for extended amounts of time... My car has gone 8.0's with it with the assistance of some methanol cooling, how much it contributed to octane is unknown.
|
|
|
Re: Aviation fuel in a drag car. OK or Bad idea?
[Re: CokeBottleKid]
#188645
01/11/09 07:16 PM
01/11/09 07:16 PM
|
Joined: Jan 2003
Posts: 25,748 Rio Linda, CA
John_Kunkel
Too Many Posts
|
Too Many Posts
Joined: Jan 2003
Posts: 25,748
Rio Linda, CA
|
It's not all here-say and conjecture, there have been dyno charts posted in the past showing no appreciable difference between avgas and race gas with that particular motor.
Again, avgas is not appropriate for some circumstances.
The INTERNET, the MISinformation superhighway
|
|
|
Re: Aviation fuel in a drag car. OK or Bad idea?
[Re: 65dragnet]
#188647
01/11/09 08:27 PM
01/11/09 08:27 PM
|
Anonymous
Unregistered
|
Anonymous
Unregistered
|
I don't know about all the scientific stuff but I ran 100LL in my dragster it was 14:1 copression and I used a 250 big shot plate on it also.Ran a best of 7.75@173mph no problems.
|
|
|
|
|