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Post by rhid_93 on Nov 20, 2010 14:06:38 GMT 1
was jw if a 1989 enignes still ran on leaded or were they unleaded?
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ljonez
turbo
Built not bought
Posts: 3,734
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Post by ljonez on Nov 20, 2010 15:09:29 GMT 1
89 was the year they changed over so with out looking theres no way to tell
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Post by braceuself on Nov 20, 2010 20:50:06 GMT 1
the 1989 1275 metro engine that was in your car was leaded but was changed to unleaded so i would say an 89 engine is normally leaded.my 91 metro was unleaded tho.
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ljonez
turbo
Built not bought
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Post by ljonez on Nov 20, 2010 21:43:24 GMT 1
As I said it was the change over year, my 89 flame is unleaded
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Post by rhid_93 on Nov 21, 2010 1:57:37 GMT 1
ahh right thnksss:)
nothing is ever straight forward lol:P
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Post by rhid_93 on Nov 21, 2010 10:58:50 GMT 1
how would i find out if its leaded or un with out taking the head off?
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Post by jackdaw on Nov 21, 2010 13:16:19 GMT 1
how would i find out if its leaded or un with out taking the head off? Run the car with a tankfull of unleaded in it....... You wont do any harm to the engine-short term. If it pinks and splutters and f@rts its "leaded" so add some octane booster additive to the fuel mix. If it runs OK then its "unleaded" already |
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Post by rhid_93 on Nov 21, 2010 15:52:34 GMT 1
okayyy thanksss:D
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ljonez
turbo
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Posts: 3,734
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Post by ljonez on Nov 22, 2010 12:53:57 GMT 1
how would i find out if its leaded or un with out taking the head off? Run the car with a tankfull of unleaded in it....... You wont do any harm to the engine-short term. If it pinks and splutters and f@rts its "leaded" so add some octane booster additive to the fuel mix. If it runs OK then its "unleaded" already The above will not tell you if its unleaded or not. All it will do is show that the timing is to advanced for the lower octain level of unleaded petrol. The ONLY way to see if its unleaded is to take the head off. |
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Post by jackdaw on Nov 22, 2010 13:42:34 GMT 1
Run the car with a tankfull of unleaded in it....... You wont do any harm to the engine-short term. If it pinks and splutters and f@rts its "leaded" so add some octane booster additive to the fuel mix. If it runs OK then its "unleaded" already The above will not tell you if its unleaded or not. All it will do is show that the timing is to advanced for the lower octain level of unleaded petrol. The ONLY way to see if its unleaded is to take the head off. You are, of course, perfectly correct lj, however if it runs OK on unleaded do you really need to do anything more ? |
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ljonez
turbo
Built not bought
Posts: 3,734
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Post by ljonez on Nov 22, 2010 13:56:12 GMT 1
If it runs ok then no just run it, the lead deposits that have built up over years will protect the valve seats but eventuality it will burn off so putting a bit of additive every few tanks will help keep them protected .
But the question was how do you find out if its unleaded and the only way is to take the head off and look for the steal inserts
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