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Old 04-09-2013, 04:38 AM   #1
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Spain Calling

Hola y Buenas Dias

Displaced Minnesotan living in Spain (many years) and wanting to get back into a wrangler. I had a couple in the past, but both were new vehicles and left more or less stock. I'm an ok amateur mechanic but unfamiliar with jeep nomenclature etc and as stated on previous post. Electronics is my weak point.

The advice I'm seeking now is re gearing. Let me explain!

I drive a lot on local version of the Interstate (around 1000 mi a week during summer- mileage paid by the company) and don't really need an off-road vehicle. With my past Jeeps I wouldn't take them off-road in case I scratched them but did a ton of forest service roads with them when working. That's about as aggressive as I get when driving. The jeep is just an icon for me and I just love the look (Call me shallow ;-)

On the freeway here, if you drive 60mph? you'll get rear-ended by a little old lady in a 30 year old Citroen. The speed limit is 120km but the cops don't really start looking at you until 130-140 (say 85mph) So I wouldn't look at lift kits etc. All I want to do is reduce the RPM at say 70-75 MPH.
It will have road type tires as I don't need more and anti-sway kit etc.

I don't know how to calculate rpm reduction with differing wheel sizes or if I would have to re-gear. Also we have major problems with any mods; due laws of homologation.

Homologation (from the verb homologate, meaning to approve or confirm officially) is the certification of a product or specification to indicate that it meets regulatory standards


The local garage wouldn't change my tire size on another vehicle as I couldn't prove it would meet the legal requirements and I just wanted to go down one inch...If you suggested an engine change they'd probably call the cops ;-)

So:

What reduction in RPM could I expect just changing tire size?
If that's not the way to go?

What gearing would I look for to achieve a lower RPM at cruise and still be able to drive away from the lights without a slipping clutch?

Sorry for the long post...

Best regards...Tom

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Old 04-09-2013, 04:54 AM   #2
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Spain calling

Hola y muy buenas dias

Originally from 'The land of 10,000 Lakes' (MN) But a long time in Spain and Portugal; where I work as a helicopter pilot on fires in the Summers. Winters normally find me in Indonesia, Panama or some other distant land in the mining or mineral sector flying an aerial crane. Absolutely zero need for a wrangler, but I never needed a Harley either. Just must have items

I have little experience working on wranglers as the previous ones were new and never needed anything done. But now I'm looking for an older vehicle to rework and mod (limited mod's, mostly just appearance)

I'll post an image of my 'new' wrangler when I find her!

I can't give any advice on wranglers, but if you have any helicopter or Europe questions. I'll do my best!

Un abrazo.....Tom

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Old 04-09-2013, 06:47 AM   #3
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First of all Welcome Tom.. You may want to browse the different forums here and post that question there or hope someone can chime in here in the Welcome area. Good luck...
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Old 04-09-2013, 06:49 AM   #4
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Welcome and we will wait for pics....
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Old 04-09-2013, 07:47 AM   #5
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Spain this is the USA, Over. Welcome Aboard!
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Old 04-09-2013, 08:09 AM   #6
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Because this is the newbie check-in area, you may not get the answers you are looking for. I suggest you check out these forum areas and post your questions there, I think you'll get a better response.

either here: TJ Jeep Wrangler Forum - Jeep Wrangler Forum or here: JK Jeep Wrangler Forum - Jeep Wrangler Forum depending on the model year.

In the mean time, I just like to say . . .

Welcome to the forum!

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Old 04-09-2013, 10:18 PM   #7
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Welcome to the forum!!!
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Old 04-10-2013, 03:14 AM   #8
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and enjoy the forum!
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Old 04-10-2013, 04:01 AM   #9
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Thanks Folks....I was pressed for time when I wrote this; I'll re-post in correct forum.
Gracias....Tom

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