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My TR2 is running- idles great but between old carbs, unknown timing and
low compression (thinking stuck piston rings) and when I tried to set the
timing I had to rotate the distributor all the way clockwise until the vac
line interfered with the thermostat housing.
That rotation does not seem right. Here's what I did. set point gap,
loosen cross bolt, wind vernier to pull vac biscuit all the way in.
Turned engine to TDC and using a test light rotated dizzy until points just
opened. I had to bend the vac line a bit to get the distributor to turn
clockwise that far.... turned vernier until first line showed up on vac
biscuit - for close to 4 degrees. Still ran poorly.
I am quite sure it was running well when parked due to master cylinder
failure.- I really expected to see carb issues - and I still need to adjust
those - but until timing is right I don't want to start that.
My issue is maybe the timing chain jumped a tooth - or the DPO (though I
don't recall removing the distributor parts 30 years ago) - put the
distributor drive in a tooth off.
I'm going to check TDC is set correctly using my modified spark plug piston
stop. - I'll rotate the engine until I'm sure the valves are closing near
TDC and insert it and rotate until piston hits mark location; pull sparkplug
stop, and rotate through put spark plug back and rotate back and mark -
hopefully marks will be on either side of the TDC mark... I don't dare use
it for a full rotation as I don't know if it could hit a valve....
Assuming TDC is good -- Now to see if the chain jumped - is it a matter of
just looking at the rocker arms and making sure they are both fully seated
at TDC?
Is there a better/easier way to verify this? If the timing chain has not
slipped but the distributor drive is just a tooth off - I can live with
the weird distributor rotation for a while....
Thanks!
Chris
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My TR2 is running- idles great but between old carbs, unknown timing =A0and=
low compression (thinking=A0stuck piston rings)=A0and when I tried to set =
the timing I had to rotate the distributor all the way clockwise until the =
vac line interfered with the=A0thermostat=A0housing.<div>
<br></div><div>That rotation does not seem right. =A0Here's what I did.=
=A0set point gap, loosen cross bolt, =A0wind vernier to pull vac biscuit a=
ll the way in. =A0 Turned engine to TDC and using a test light rotated dizz=
y until points just opened. =A0 I had to bend the vac line a bit to get the=
distributor to turn clockwise that far.... =A0 turned vernier until first =
line showed up on vac biscuit - for close to 4 degrees. =A0 Still ran poorl=
y.</div>
<div><br></div><div>I am quite sure it was running well when parked due to =
master cylinder failure.- I really expected to see carb issues - and I stil=
l need to adjust those - but until timing is right I don't want to star=
t that.</div>
<div><br></div><div>My issue is maybe the timing chain jumped a tooth - or =
the DPO (though I don't recall removing the distributor parts 30 years =
ago) - put the distributor drive in a tooth off.=A0</div><div><br></div>
<div>
I'm going to check TDC is set correctly using my modified spark plug pi=
ston stop. - I'll rotate the engine until I'm sure the valves are c=
losing near TDC and insert it and rotate until piston hits mark location; p=
ull sparkplug stop, and rotate through put spark plug back and rotate back =
and mark - hopefully marks will be on either side of the TDC mark... =A0 I =
don't dare use it for a full rotation as I don't know if it could h=
it a valve....</div>
<div><br></div><div>Assuming TDC is good -- Now to see if the chain jumped =
- is it a matter of just looking at the rocker arms and making sure they ar=
e both fully seated at TDC?</div><div><br></div><div>Is there a better/easi=
er way to verify this? =A0 If the timing chain has not slipped but the=A0di=
stributor=A0drive is just a tooth off - I can live with the=A0weird=A0distr=
ibutor rotation for a while....</div>
<div><br></div><div>Thanks!</div><div><br></div><div>Chris</div><div><br></=
div><div><br></div><div><br></div><div><br></div>
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