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Author got my bits put on today
L30 SCT
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Registered: 27th Nov 05
Location: aberdeen
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30th Sep 06 at 13:41   View User's Profile U2U Member Reply With Quote
i got my mantzel,ported polished head, shrick cams, 4-1 manifold fitted today. will get pics up tomorrow. got a small problem. the inlet cam is sticking. it is shrick 268 cams running on standard timing marks. it runs backwards but not the way that the engine would run

anyone got any idea whats wrong?
AK
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Registered: 5th Jul 00
Location: Aberdeen City
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30th Sep 06 at 13:55   View User's Profile U2U Member Reply With Quote
valve hitting piston
L30 SCT
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Registered: 27th Nov 05
Location: aberdeen
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30th Sep 06 at 14:09   View User's Profile U2U Member Reply With Quote
no its not that, checked it already
Butler
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Registered: 2nd Jun 05
Location: London
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30th Sep 06 at 14:10   View User's Profile U2U Member Reply With Quote
Have you used new followers and springs?
AK
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Registered: 5th Jul 00
Location: Aberdeen City
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30th Sep 06 at 14:11   View User's Profile U2U Member Reply With Quote
thought about it afterwards... it wouldnt be if it went round in 'reverse'...

How are you testing this? Hand cranking.... with plugs in?
L30 SCT
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Registered: 27th Nov 05
Location: aberdeen
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30th Sep 06 at 14:14   View User's Profile U2U Member Reply With Quote
no just by hand adam. the valves move when you push them down and else works fine. just when you put the cams on it seems to stick. the boy said he could put it all back together and try start it. he said there may not be enough force to turn it by hand

he said there would be a 50/50 chance of it either breaking or starting.

what do you think i should do
AK
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Registered: 5th Jul 00
Location: Aberdeen City
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30th Sep 06 at 14:19   View User's Profile U2U Member Reply With Quote
by hand?? so... not cranking it with a socket bar or anything?!?!
L30 SCT
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Registered: 27th Nov 05
Location: aberdeen
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30th Sep 06 at 14:20   View User's Profile U2U Member Reply With Quote
just with a spanner.

can you use a x16xe head on a c16xe bottom end as thats what am doing.
broster
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Registered: 6th Dec 02
Location: Drives: E39
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30th Sep 06 at 14:22   View Garage View User's Profile U2U Member Reply With Quote
pmsl, at just bolting it together and starting it!

any burrs anywhere? not tightened them up to much??? take them out and start again
RobHayes
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Registered: 6th Sep 03
Location: Lincolnshire
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30th Sep 06 at 14:22   View User's Profile U2U Member Reply With Quote
have you checked the cam seats? the bits in the head that the cams sit on, mine were dirty and scratched, and this locked the cam up as when the top halves were fitted it tightened onto the camshaft rather than the head
L30 SCT
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Registered: 27th Nov 05
Location: aberdeen
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30th Sep 06 at 14:25   View User's Profile U2U Member Reply With Quote
the boy thats tightening them with a air ratchet and tightening them a bit more by hand. the standard cams dont work either. but all parts move freely when the cams arent in.
AK
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Registered: 5th Jul 00
Location: Aberdeen City
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30th Sep 06 at 14:26   View User's Profile U2U Member Reply With Quote
no torque wrenches involved?
L30 SCT
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Registered: 27th Nov 05
Location: aberdeen
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30th Sep 06 at 14:28   View User's Profile U2U Member Reply With Quote
well i think he was just putting them in to check if it would turn. if it aint going to turn at that then it wont turn when there tightened even more. saying that he could be over tightening them by hand.
RobHayes
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Registered: 6th Sep 03
Location: Lincolnshire
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30th Sep 06 at 14:33   View User's Profile U2U Member Reply With Quote
check these are clean etc

i had the same problems as you and it turned out to be that
RobHayes
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Location: Lincolnshire
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30th Sep 06 at 14:34   View User's Profile U2U Member Reply With Quote
also, is he doing them up in the correct order?
Dave A
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Registered: 10th Dec 03
Location: County Durham
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30th Sep 06 at 14:55   View User's Profile U2U Member Reply With Quote
tried to ring the lad for you leo but there was no answer.

basicly, this is what I would do:

remove belt

remove plugs to lessen compression

turn crank over by hand until the piston touches (very lightly) the valve. then move the cams to create clearance.

do this until piston 1 is 180 degrees from TDC

try moving the cams, they should rotate fully now easily. Make sure they are using plenty of lube on the cams, followers and bearings. if the cams will turn freely then you have narrowed down the problem to the valve hitting the piston.
L30 SCT
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Registered: 27th Nov 05
Location: aberdeen
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30th Sep 06 at 15:09   View User's Profile U2U Member Reply With Quote
my mate just phoned me he got it working. he doesnt no what it was but it just started turning.

will be a finishing post up later but would just like to say a big thanks to Dave A as he has helped me through everything
jr
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Registered: 20th May 02
Location: Kent
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30th Sep 06 at 15:18   View User's Profile U2U Member Reply With Quote
out of intrest i though 264 were max degree on standard psitons
L30 SCT
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Registered: 27th Nov 05
Location: aberdeen
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30th Sep 06 at 15:19   View User's Profile U2U Member Reply With Quote
268's have been used on standard pistons.
jr
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Registered: 20th May 02
Location: Kent
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30th Sep 06 at 15:20   View User's Profile U2U Member Reply With Quote
just wonderd as i thought that "was" the max
L30 SCT
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Registered: 27th Nov 05
Location: aberdeen
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30th Sep 06 at 15:25   View User's Profile U2U Member Reply With Quote
dave A is running the same. the engine is now turning over
broster
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Registered: 6th Dec 02
Location: Drives: E39
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30th Sep 06 at 15:34   View Garage View User's Profile U2U Member Reply With Quote
its a combo of the lift and duration jr
Stoneyginger
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Registered: 25th Jan 01
Location: Stonehaven, Aberdeenshire
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30th Sep 06 at 15:34   View Garage View User's Profile U2U Member Reply With Quote
Nice one

 
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