scootz
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| posted on 26/10/09 at 09:58 AM |
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Identifying an Unleaded Head
Is there a straightforward way of identifying if a Pinto engine has an unleaded head?
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bilbo
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| posted on 26/10/09 at 10:24 AM |
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If it's an injection head (egg shaped inlet ports), then it will be unleaded. Otherwise, there is some info
here on the markings to look out for.
---------------------------------------
Build Diary: http://bills-locost.blogspot.com/
Web Site: http://locost.atspace.com
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02GF74
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| posted on 26/10/09 at 10:53 AM |
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is the head still bolted to the engine or not?
if the former I cannot help. As Austin Powers would say, pintos are not my bag, baby
[Edited on 26/10/09 by 02GF74]
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scootz
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| posted on 26/10/09 at 11:59 AM |
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Alas, the engine is still all sellotaped together... will just assume it's leaded!
Cheers!
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MakeEverything
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| posted on 26/10/09 at 02:22 PM |
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Just use LRP. It wont hurt if its unleaded will it?? Ive run leaded engines on unleaded before, and have had no noticable detriment. Have run it
for ages too.
Kindest Regards,
Richard.
...You can make it foolProof, but youll never make it Idiot Proof!...
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Andy D
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| posted on 26/10/09 at 03:10 PM |
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Taken from the link in Bilbo's post:
SOHC Pinto Engines
All engines produced after 01/89 are suitable for use with unleaded fuel. For all other engines, an identification mark (adjacent to No 4 spark plug)
must be present to designate suitability for unleaded. These are:
* 1.6 - M, MM or N, NN
* 1.8 - S, SS
* 2.0 - P, PP or R, RR
No need to dimantle.. just look for P, PP or R, RR "adjacent to No 4 spark plug" 
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Dusty
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| posted on 26/10/09 at 03:51 PM |
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Like this.
 
Rescued attachment Unleaded.JPG
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scootz
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| posted on 26/10/09 at 04:05 PM |
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Ta very muchly!
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MikeRJ
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| posted on 26/10/09 at 05:48 PM |
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quote:
Originally posted by MakeEverything
Just use LRP.
Is it still sold anywhere? I've not seen it sold on a forecourt in a long time. You can still buy the additives of course, though it's a
PITA and quite expensive.
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miikae
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| posted on 26/10/09 at 06:10 PM |
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This is the stuff i use in my old bikes
Plus i used it my old Porsche for many years with no problems.
Mike
[Edited on 26-10-2009 by miikae]
If it can be done it i will be done .
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