Hi all , from the 87 Factory WSM it shows slightly better turbo cams under "others" rather than Australian or Swizerland/Sweden/Austria catalyst equipt model .
The "other" spec EA82T cams are 12-58 60-16 valve timing rather than the usual 14-56 56-14 factory turbo cams .
The usual T cams have the A01 ID marks on them and "other" spec ones are A11 , 01 and 11 meaning ID rings or grooves machined into the shaft (behind the second lobe from the front) .
From the above numbers the slightly warmer cams have the inlet timing advanced 2 degrees and an extra 6 degrees on the exhaust side ie open 2 degrees earlier and close 4 degrees later .
Probably trivial but their exhaust lobes also have a whole extra 6 thou of lift over their inlets , which are the same as the usual T cams both sides .
I don't suppose anyone has these cams and is willing to sell them ?
Good payer , cheers Adrian in Australia .
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Guest Message by DevFuse
Euro ? Spec EA82 cams .
Started by
discopotato03
, Mar 30 2009 06:04 AM
4 replies to this topic
#2
joostvdw
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Subaru Nut
- Holland
Posted 30 March 2009 - 07:00 AM
Are the "other" type camshaft with or without the groove cut behind the second lobe?
you can barely see it on this picture, but there is a groove behind the second lobe
Sorry, these also aren't for sale, I highly doubt it would run without camshafts
you can barely see it on this picture, but there is a groove behind the second lobe
Sorry, these also aren't for sale, I highly doubt it would run without camshafts
#3
discopotato03
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- 227 posts
USMB is life!
- Sydney Australia
Posted 30 March 2009 - 07:39 AM
Behind the second lobe is the smallest section of the camshaft , this is the "B" ID section . The camshaft steps up to the normal size behind this and this is the "C" ID section of the camshaft - before the 3rd lobe .
So you have an A B and C ID section . All these cams have "A" stamped in front of the first lobe , the B section has either 1 or 0 grooves and the C section can have 1 2 or 3 grooves .
The "catalyst" spec cams have A , 0 , 1 .
The "other" spec cams have A , 1 , 1 .
I think they are in some Euro spec engines , the ones that didn't have a 2nd cat in the tail pipe behind the spring loaded swivel joint .
A .
So you have an A B and C ID section . All these cams have "A" stamped in front of the first lobe , the B section has either 1 or 0 grooves and the C section can have 1 2 or 3 grooves .
The "catalyst" spec cams have A , 0 , 1 .
The "other" spec cams have A , 1 , 1 .
I think they are in some Euro spec engines , the ones that didn't have a 2nd cat in the tail pipe behind the spring loaded swivel joint .
A .
#4
Turbone
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- Moderator
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The Original Rob
- WA
Posted 30 March 2009 - 11:04 AM
I bet Delta Cam could make you a set of these.
You have all the specs for it, just give them a email and see what they say.
jonneyblaze69 @ aol . com
You have all the specs for it, just give them a email and see what they say.
jonneyblaze69 @ aol . com
#5
nncoolg
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USMB Regular
- Gold Coast, Australia
Posted 23 October 2009 - 04:26 AM
...does anyone know what profile the A-1-2 cams are?
thanks.
thanks.
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