real life mpg after conversion

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real life mpg after conversion

Unread postby obie » Mon Mar 28, 2011 10:21 am

So you conversion people, what is the real life MPG your getting, and has any one dropped in a 4 cylinder unit. Or is v6 the only way to go??
I am loving my Leaharo!
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Re: real life mpg after conversion

Unread postby silkear » Mon Mar 28, 2011 7:48 pm

obie, some real life numbers, i just drove 180miles at 6000 to 7000 ft in the high desert, and had a 20 to 25 mph crosswind.. my 3.8L Chry conversion got 15.1 mpg at an avg of 65mph, under these conditions (topped up tank before heading into Colorado tomorrow. have to go over Read Mtn Pass at 10,800ft)... i hope to go back to Albuquerque with a tail wind, where i'll be pushing 20 mpg! of course, unless the wind changes again... ah, spring in the southwest!... hope this helps a bit...
Last edited by silkear on Tue Mar 29, 2011 11:02 am, edited 1 time in total.
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Re: real life mpg after conversion

Unread postby mpolzin » Tue Mar 29, 2011 12:01 am


I have an S-Works conversion with the Chrysler 3.3, and although it is fairly newly acquired so I havent put a ton of miles on it yet, from what I can tell I am doing around 20 MPG. Obviously this can vary depending on the terrain, but just just doing interstate crusing it does pretty well.

It is important to find the right engine for a vehicle -- A Geo Metro with a ford V-10 is still going to get 12 MPG and a Lesharo with a four cylinder engine is going to be under-powered. The V-6 engines seem to be a good balance between power and fuel efficiency for these rigs in my opinion.

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Re: real life mpg after conversion

Unread postby Commkruge » Tue Mar 29, 2011 6:32 am

My 3.3 sworks is pulling a smooth 20mpg unless pushing heavy winds. worst case was 16mpg.
The power the 3.3 provides is very good for our little winnies
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Re: real life mpg after conversion

Unread postby populuxe » Tue Apr 05, 2011 10:04 pm

Keep in mind that some of us have no choice than to run 10% ethanol fuel now. That will knock down your mileage 15%! So, you may want to give your rig more credit than the fuel pumps tell you. Like, if you put in 100 gallons, your only really getting 85 in terms of power.

I've thought of putting in a Ford Z-tech, four cylinder. You can buy a brand new engine for $700. thrash it for 5 years and buy another. And buy a part for it anywhere.
Now, just because I've thought of it doesn't mean I should do it.
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