Zac,
If your friends interested, I know someone at work who has for sale a set of
the factory twin down draft carbs. I think there off a 1500 SS? I think he
was $150 for them.
Trev
-----Original Message-----
From: Richard Clough [mailto:[EMAIL PROTECTED]]
Sent: Wednesday, 6 September 2000 20:31
To: [EMAIL PROTECTED]
Subject: Re: OT question (Mazda 1500)
Zac,
If its an OHC engine with cross flow head then its valve gear is a bit
trickier than a Datto, but you will be OK
Assuming above, remove the cam drive sprocket. The chain tensioned spring
will move the tensioned stop upward and the tensioner outward, but this is
OK.
Loosen all the head studs and remove the rocker gear and the oil pipe above
the cam. Try to keep the whole assembly together on the tubes the rockers
are fitted to, by lifting at each end and pushing towards the center. The
springs between each rocker want to push the assembly apart.
If you do pull it apart, note how each bit fits together.
Lift out the cam and pull up the head.
Reassembly is the reverse. I would flip the end cam bearing shells top to
bottom to share the wear more evenly.
Before refitting the cam sprocket assembly, you need to push down the cam
chain tensioner spring with a long thin screwdriver to allow the tensioner
to rotate to the slack position. When the sprocket is on the cam, retension
the cam chain by simply withdrawing the screw driver
Unlike a datto, you must reset all the valve gear. ( I know you should
recheck on a Datto also but you can get away without doing so.)
----- Original Message -----
From: Zac <mailto:[EMAIL PROTECTED]> Campbell
To: [EMAIL PROTECTED] <mailto:[EMAIL PROTECTED]>
Sent: Wednesday, 6 September 2000 13:56 PM
Subject: OT question (Mazda 1500)
List, my friend has a Mazda 1500 that we are going to be removing the head.
Basically is overheated and now something in it is stuffed. We will remove
the head to find the problem then fix it.
BUT! I have no idea how to remove the head on a Mazda 1500!!
Can it be much harder than a Datsun OHC? Does anyone have any tips on tricky
stuff or can they give me a basic walk-through?
Thanks in advance!
zac
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