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Mattboy82

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Reply with quote  #1 
Have recently purchased a 2004 built Cat E1 with what I believe to be a mid 80โ€™s 2lt pinto with single Webber carb. The chap I bought it from had taken it in part ex so not much knowledge. Can I run this on plain unleaded or should I use an additive? If so, what would you recommend? Based on google search, pre 1989 and you need an additive. Sorry for being so green! Any guidance gratefully appreciated. Cheers. ๐Ÿ‘
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Abe

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Reply with quote  #2 
Quote:
Originally Posted by Mattboy82
Have recently purchased a 2004 built Cat E1 with what I believe to be a mid 80โ€™s 2lt pinto with single Webber carb. The chap I bought it from had taken it in part ex so not much knowledge. Can I run this on plain unleaded or should I use an additive? If so, what would you recommend? Based on google search, pre 1989 and you need an additive. Sorry for being so green! Any guidance gratefully appreciated. Cheers. ๐Ÿ‘


Hi Matt, welcome aboard. Lots of friendly and knowledgable people on here. Donโ€™t apologise for asking questions ๐Ÿ˜Š Itโ€™s a good question and Iโ€™ll wait for the answer too as Iโ€™ve been thinking the same thing.
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Mattboy82

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Reply with quote  #3 
Thanks Abe, one of those school boy errors that you just kick yourself for down the line. ๐Ÿ˜ณ
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Abe

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Reply with quote  #4 
Quote:
Originally Posted by Mattboy82
Thanks Abe, one of those school boy errors that you just kick yourself for down the line. ๐Ÿ˜ณ


Yeah for sure! It plays in the back of my mind every time I fill up ๐Ÿ˜†

Any pics of your new toy? Happy with it?
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Mattboy82

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Reply with quote  #5 
Yeah. A few niggles but hopefully nothing major. Needs some aesthetic tweaks too like new wheels etc but it got me home after a 140 mile, 2.5 hour trip back when I bought it so canโ€™t be all bad!

How do you post a photo?
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Abe

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Reply with quote  #6 
Quote:
Originally Posted by Mattboy82
Yeah. A few niggles but hopefully nothing major. Needs some aesthetic tweaks too like new wheels etc but it got me home after a 140 mile, 2.5 hour trip back when I bought it so canโ€™t be all bad!

How do you post a photo?


Thatโ€™s good youโ€™ve got a few miles on it then, makes me a bit nervous driving any distance in a new kit car. ๐Ÿ˜

On my iPhone I just reply to a message by pressing the โ€˜quoteโ€™ button on the screen and it gives me an option to upload a photo from my phone library. Not sure about other formats mate.
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Monster_UK

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Reply with quote  #7 
Welcome!  I'm pretty green too.  I run a zetec in mine so no direct experience of pintos.  I know many run additives to address the ethanol content of modern fuels.  This is as much for the fuel system as anything else.  The higher ethanol content of modern fuels can damage the rubber hoses used in many older cars.  I've seen some horrible pictures of the aftermath of furl hose failure as it can lead to a significant car fire.  

I don't use these additives as I have a hard line from the engine bay to the fuel tank and have replaced the short amount of flexible hose in the bay for something that will stand up to the ethanol.

I'm not sure how my experience with a zetec will translate to a pinto but I have to run the higher octane premium fuels (just the forecourt stuff nothing specialist) as even the slight reduction in octane between regular and premium seems to affect how well the car runs.

Someone with more knowledge will be along soon I'm sure to give you an answer you should listen to ๐Ÿ˜‰



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TigerEd

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Reply with quote  #8 
I believe the problem with the Pinto engine and unleaded fuel is the valve seats. If hardened valve seats have been fitted then unleaded fuel is ok. The lead in the fuel cools and lubricates the seats hence the need for an additive if using unleaded. But some people say it will take a lot of miles to damage the seats.
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vji4058

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Reply with quote  #9 
Most people I know say as long as you do not pull a heavy load lots of time or drive flat out every where, you will be ok.
It will take years to do any damage to the seats.
I just squirt some lead substitute in when I fill up. 
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Mattboy82

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Reply with quote  #10 
Thanks for the helpful feedback guys. Much appreciated. I think itโ€™s best to pop some additive in with each fill, just to be safe. I wonโ€™t be doing many miles but better to be safe than sorry. ๐Ÿ‘๐Ÿ‘Œ
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Mattboy82

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Reply with quote  #11 
Quote:
Originally Posted by Abe


Thatโ€™s good youโ€™ve got a few miles on it then, makes me a bit nervous driving any distance in a new kit car. ๐Ÿ˜

On my iPhone I just reply to a message by pressing the โ€˜quoteโ€™ button on the screen and it gives me an option to upload a photo from my phone library. Not sure about other formats mate.
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Dimbit

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Reply with quote  #12 
Not sure whether I have hardened valve seats or not but if I had to guess, which I kind of do, I'd say no. So I use the redex stuff.
A bottle costs a fiver and does 8 tanks.

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Mattboy82

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Reply with quote  #13 
Thanks Dimbit. Seems the best approach. ๐Ÿ‘๐Ÿคž
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JT

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Reply with quote  #14 
As previously mentioned you need to determine whether you have hardened valve seats or not. As lack of lead can cause valve seat recession.
If you look at the drivers side of the head above number 4 plug there will be a letter stamp. This depicts whether it had hardened seats fitted in the factory. Something else to consider is timing. Back in the day it would have run on 4 star which is 97 ron not 95 like conventional unleaded. So what they used to do is retard the timing a bit run 95ron and fill up with 4 star every 4th fill up.
I've got mine setup for 4star. I run premium unleaded 97ron and bung in some redex lead replacement every fill up.
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Mattboy82

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Reply with quote  #15 
Thanks JT. Nice not if technical advice there. Iโ€™ll check to see if the letter stamp tells me more and then run with the 97 and additive. ๐Ÿ‘
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Abe

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Reply with quote  #16 
Quote:
Originally Posted by JT
As previously mentioned you need to determine whether you have hardened valve seats or not. As lack of lead can cause valve seat recession.
If you look at the drivers side of the head above number 4 plug there will be a letter stamp. This depicts whether it had hardened seats fitted in the factory. Something else to consider is timing. Back in the day it would have run on 4 star which is 97 ron not 95 like conventional unleaded. So what they used to do is retard the timing a bit run 95ron and fill up with 4 star every 4th fill up.
I've got mine setup for 4star. I run premium unleaded 97ron and bung in some redex lead replacement every fill up.


Good info thanks JT ๐Ÿ‘Œ
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JT

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Reply with quote  #17 
I found on the internet somewhere a while back what all the serial numbers and letters meant. Mine turns out to be a very early sierra. I have an i stamped on the head which means pre hardened seats. If i can find the site again ill post the link.
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