Good Question

usma41 · Posted: Tue Dec 19, 2006 5:58 pm Post subject: Good Question

Has anyone any Idea what effect unleaded fuel is having on these old engens?

wesk · Posted: Tue Dec 19, 2006 9:00 pm Post subject:

These old engines were designed to function on 65 octane elephant urine. Shocked

Unless a guy tricks out his engine to turn 5000 + RPM and jacks the compression way up there's no real problem with the lack of lead in todays 80/87 octane mogas.

The real problem with todays fuels is their additive's effects on the NOS old style rubber components floating around.
_________________
Wes K
45 MB, 51 M38, 54 M37, 66 M101A1, 60 CJ5, 76 DJ5D, 47Bantam T3-C & 5? M100

Mjeeps photo album: http://www.willysmjeeps.com/v2/modules.php?set_albumName=Wes-Knettle&op=modload&name=gallery&file=index&include=view_album.php

TOM-R · Member Joined: Sep 08, 2006 Posts: 54

lead substitute is cheap and comes in a plastic container like stabil with the measuring cup molded in, wheather or not you truly need it depends on who you talk to but it is so cheap it is not worth it not to use it, imho Very Happy

wesk · Posted: Tue Dec 19, 2006 11:18 pm Post subject:

Lead substitues are like Marvel Mystery Oil, everyone swears by it but no one offers any factual support for it.

We're talking 4 cylinders, 6.5 compression ratios, 2500 RPM and 45 to 50 mile an hour here! Not 10 to 1 compression , 7,000 RPm , 160 MPH V8's.

I'm getting 100,000 miles out of an F134 with unleaded gas and 10W30 oil for the last 15 years and if it doesn't come out of the pump hose I don't waste time trying to squeeze it out of a bottle.
_________________
Wes K
45 MB, 51 M38, 54 M37, 66 M101A1, 60 CJ5, 76 DJ5D, 47Bantam T3-C & 5? M100

Mjeeps photo album: http://www.willysmjeeps.com/v2/modules.php?set_albumName=Wes-Knettle&op=modload&name=gallery&file=index&include=view_album.php

Ryan · Posted: Tue Dec 19, 2006 11:23 pm Post subject:

[quote]I'm getting 100,000 miles out of an F134 with unleaded gas and 10W30 oil for the last 15 years and if it doesn't come out of the pump hose I don't waste time trying to squeeze it out of a bottle.

[quote]

So you use 10W30 in your engines? I replaced the 10W30 oil in mine for SAE30. Is the 10W a better choice?

wesk · Posted: Tue Dec 19, 2006 11:25 pm Post subject:

It is up here in Wisconsin with the fluctuations in temps from "0" to 60 over the last two months. 30 is used in the summer.
_________________
Wes K
45 MB, 51 M38, 54 M37, 66 M101A1, 60 CJ5, 76 DJ5D, 47Bantam T3-C & 5? M100

Mjeeps photo album: http://www.willysmjeeps.com/v2/modules.php?set_albumName=Wes-Knettle&op=modload&name=gallery&file=index&include=view_album.php

usma41 · Posted: Wed Dec 20, 2006 5:54 am Post subject:

I understand that the additive's are a pain in the ass because you use it once, you have to keep useing it. No thanks.

OKCM38CDN · Guest

I use fuel straight out of the pump. like Wes... Drive it regularly with no problems. Oil is 10W30 or 40 depending on the winter/summer...

Temps here in OKlahoma can be from 0 to 110 depending on the season and the will of Mother Nature...

Drove the jeep to the BX on the base yesterday... in the rain with no top, ran like a top...


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