valves rattling
#13
Originally Posted by zipper06
Autozone on the shelf. we used it last week in the 3700 lb Biscuyne that ran 6.87, street legal.
Zip
Zip
Good stuff !
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Bjuice..
"I'M YOUR HUCKLEBERRY ! "
Bjuice..
"I'M YOUR HUCKLEBERRY ! "
#14
Senior Member
EXPERT BUILDER
Join Date: Oct 2007
Location: Staunton,VA.
Posts: 254
valve's rattle
Be careful, a domed 400 does not like pump gas at all. I know I learned the hard way. I just love to bulid the 400 block's. About 12 yrs. ago I had one detonate sooooo bad that I could take a pencil & lay it between the bore's. Remember, the wall's are thin to start with. Especially today's pump gas, it's awful. If the picture you have w/ you're post is what you are running I would reccomend you to get a drum of 110 purple gas. It will be cheaper then replacing part's. At least try a few gallon's anyway. Kris
#15
Senior Member
RACING JUNKIE
Join Date: Jun 2003
Location: Hobbs, NM
Posts: 842
Not that Id fully recommend it, but some of the roundy pounders in the area mix av gas(airplane) fuel 1/2 and 1/2 with unleaded and it seems to work for them. It runs about 4.50 a gallon here. That predetonation will hurt parts if not fixed though.
#17
Member
JUNIOR BUILDER
Join Date: Feb 2008
Location: Childers Australia
Posts: 98
I don't know what the laws are where you are,or if the avgas is the same but last I checked,avgas has TEL (Tetra ethyl lead)why its safe for aircraft but too dangerous for cars who would know?I suspect that it would probably be illegal for use in cars,but just to test,well,You'd have to be really unlucky to get busted.As far as safety is concerned I wouldnt worry at all!It'd be no worse than pump gas.