Astro_Al Posted March 20, 2006 Share Posted March 20, 2006 If I'm looking for engines for my project, what is the max compression ratio I can run to ensure it'll run fine no matter where I am on the globe? I guess in Africa and such I might have to run with lower octane fuel (whatever I can get my mits on)? Any ideas? Ta, Al. Quote Link to comment Share on other sites More sharing options...
Troddenmasses Posted March 20, 2006 Share Posted March 20, 2006 For first hand knowledge and advice, I suggest that you have a look at: 4x4 Overland They seem to know what they are on about. Quote Link to comment Share on other sites More sharing options...
RPR Posted March 20, 2006 Share Posted March 20, 2006 Land Rover believed that it was 7:1 on the 2.25. You can probably be safe with 8:1 on a basic pushrod, two valve type V8 and a few bottles of additive for safety. Depends where you're going in Africa. Most of the reasonably well traveled North Africa routes will have oky fuel quality it's well off the beaten track in sub-saharan Africa, i.e. the hinterland of Niger for example, that you may find fuel quite questionnable. I believe this is another point in favour of diesel... Quote Link to comment Share on other sites More sharing options...
Astro_Al Posted March 20, 2006 Author Share Posted March 20, 2006 Hmmm. Balls. Can I run it on 75% additive and have a 15:1 compression ratio? It's gonna suck if I have to change my engine choice just because of the odd African trip... Seriously though - is using an additive gonna help much, or is it pretty negligible? Cheers,Al. Quote Link to comment Share on other sites More sharing options...
Ivan Posted March 21, 2006 Share Posted March 21, 2006 Stick in a low compression V8 They are designed for ROW spec and carp poor fuel. Ivan Quote Link to comment Share on other sites More sharing options...
Astro_Al Posted March 21, 2006 Author Share Posted March 21, 2006 Stick in a low compression V8 They are designed for ROW spec and carp poor fuel.Ivan Yeah, but that means I have to drive a carp engine around the rest of the time... : ( Al. Quote Link to comment Share on other sites More sharing options...
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