110 octane "leaded" gas
07-14-2013, 12:51 PM
#22
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07-14-2013, 01:45 PM
#25
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As I said, Bob Williams in Sidney, Ohio is a master with the 4360 and all other Rochester units.
07-14-2013, 03:25 PM
#27
Its 90 today just came back from gaassin up
110 race fuel my 61 fueiie loves it got
10 gal
however I will cut it with 93 leaded. I have
tried. All of the octane boosters thru
the years NONE really worked my opinion
110 race fuel my 61 fueiie loves it got
10 gal
however I will cut it with 93 leaded. I have
tried. All of the octane boosters thru
the years NONE really worked my opinion
07-14-2013, 03:38 PM
#28
Race Director
I would like to know if you tried this product and why you felt it did not work. It is real Tetraethyl Lead in a toluene base. It contains the correct lead scavengers EDC and EDB. It has worked for many others and has a documented/proven success record. I have used it myself and am satisfied....but a mix of Sunoco 114 Leaded and 93 pump gas also works well.
Larry
07-14-2013, 03:48 PM
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Not really. I don't think it'd be appropriate to quote from another forum. But he also insists that all these FI's need 100LL aeroplane gas. I also agree he's very competent, honest and reliable. He just doesn't have a good opinion of the 4360.
The guy down south doesn't want your business either unless you're going to use race gas.
That's why I asked the OP if he was using E 10 gas. That's what I use. That's what you couldn't use.
Go figure.
The guy down south doesn't want your business either unless you're going to use race gas.
That's why I asked the OP if he was using E 10 gas. That's what I use. That's what you couldn't use.
Go figure.
Last edited by MikeM; 07-14-2013 at 03:51 PM.
07-14-2013, 06:59 PM
#30
Drifting
The NOS octane booster is worthless in all regards.
Mixing fuels as you plan is fine, will mix as well as pouring two buckets of water together.
I am running the factory compression, maybe a tad more and have good results on 92 octane in all but the hottest of days in the summer.
I have and do spike with 100LL avgas. Mixed 50/50 with 92 octane yields 96 octane. 25/75 will yield 94 octane.
- Mark
Mixing fuels as you plan is fine, will mix as well as pouring two buckets of water together.
I am running the factory compression, maybe a tad more and have good results on 92 octane in all but the hottest of days in the summer.
I have and do spike with 100LL avgas. Mixed 50/50 with 92 octane yields 96 octane. 25/75 will yield 94 octane.
- Mark
07-14-2013, 07:07 PM
#31
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Not really. I don't think it'd be appropriate to quote from another forum. But he also insists that all these FI's need 100LL aeroplane gas. I also agree he's very competent, honest and reliable. He just doesn't have a good opinion of the 4360.
The guy down south doesn't want your business either unless you're going to use race gas.
That's why I asked the OP if he was using E 10 gas. That's what I use. That's what you couldn't use.
Go figure.
The guy down south doesn't want your business either unless you're going to use race gas.
That's why I asked the OP if he was using E 10 gas. That's what I use. That's what you couldn't use.
Go figure.
i don't see any 'flaws' in the 4360 unit that don't exist in any other C1 unit, otherwise it is the best & the last of that style. if the spider wasn't 'deadheaded' if would probably perform as well as the C2 units (the same could probably be said about the rest of the C1s too....
)so i just don't understand the 'beef' he/they might have.
Bill
07-14-2013, 08:13 PM
#32
That would give an AKI of 102ish.
I have no idea why the delta MON/RON is so low compared to car gasoline.
07-14-2013, 08:20 PM
#33
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07-14-2013, 08:38 PM
#34
Drifting
The delta MON/RON is so low because avgas is nearly all iso-octane from the alkylation process with a small amount of butane for volatility. Iso-octane is by definition 100 octane.
07-14-2013, 08:40 PM
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07-14-2013, 10:14 PM
#37
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07-14-2013, 10:40 PM
#38
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Looks like a 58 Poncho unit there Tom..................
07-15-2013, 08:38 AM
#39
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I would expect a '58 Pontiac FI to work pretty well.
Its design benefited from all that was learned in '57, as did the design of the Corvette 4900 unit. And the 4900 '58 unit is a very good unit (as long as you retrofit it with an anti-siphon valve). Too, being under the turkey roaster and bathed in cool-ish incoming air, it isn't as prone to fuel perc as the Corvette units.
What looks to be maddeningly awkward about the Pontiac FI is trying to get access to the ratio lever stop screws when getting the air/fuel ratio dialed in.
Jim
Its design benefited from all that was learned in '57, as did the design of the Corvette 4900 unit. And the 4900 '58 unit is a very good unit (as long as you retrofit it with an anti-siphon valve). Too, being under the turkey roaster and bathed in cool-ish incoming air, it isn't as prone to fuel perc as the Corvette units.
What looks to be maddeningly awkward about the Pontiac FI is trying to get access to the ratio lever stop screws when getting the air/fuel ratio dialed in.
Jim
Last edited by jim lockwood; 07-15-2013 at 08:45 AM.
07-15-2013, 08:50 AM
#40
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St. Jude Donor '07
I would expect a '58 Pontiac FI to work pretty well.
Its design benefited from all that was learned in '57, as did the design of the Corvette 4900 unit. And the 4900 '58 unit is a very good unit (as long as you retrofit it with an anti-siphon valve). Too, being under the turkey roaster and bathed in cool-ish incoming air, it isn't as prone to fuel perc as the Corvette units.
What looks to be maddeningly awkward about the Pontiac FI is trying to get access to the ratio lever stop screws when getting the air/fuel ratio dialed in.
Jim
Its design benefited from all that was learned in '57, as did the design of the Corvette 4900 unit. And the 4900 '58 unit is a very good unit (as long as you retrofit it with an anti-siphon valve). Too, being under the turkey roaster and bathed in cool-ish incoming air, it isn't as prone to fuel perc as the Corvette units.
What looks to be maddeningly awkward about the Pontiac FI is trying to get access to the ratio lever stop screws when getting the air/fuel ratio dialed in.
Jim
Bill