740 16v forsale

scvolvo · Dec 29th, 2014, 21:17

http://www.ebay.co.uk/itm/1816220935...%3AMEBIDX%3AIT

Cheap and rare

barkster1971 · Dec 30th, 2014, 08:37

with possibly a fubared engine, asked bloke to turn it over slowly- couldn't be ar**ed.

heyskull · Dec 30th, 2014, 08:53

Quote:

Originally Posted by barkster1971

with possibly a fubared engine, asked bloke to turn it over slowly- couldn't be ar**ed.

I don't know that much about broken or stripped cambelts but the one thing I do know is that turning them over when they have failed will only make things a lot, lot worse.
Their are a lot of valves to bend and twice as many as a standard 740 so even if it was only doing 20mph it is in no relation to what gear and engine speed it was doing!
If it was a lot closer I would be very interested but I wouldn't even attempt to turn over until a new belt, tensioners and whatever runs of the cambelt was replaced.
Nice looking car but if the head is damaged it is almost unobtainable now.

SC

barkster1971 · Dec 30th, 2014, 13:42

If you actually read what I posted, you turn the pulley on a breaker bar slowly and if any resistance is felt you know then if the valves are bent and therefore can't retract. How do you replace the timing belt without timing it up by moving the cam sprockets and pulley?
I asked him to turn it over by hand to see if it was knackered but he gave me some bull sh@t story about another 8v car he had which had done 400k and said he turned down an offer for £350 for banger racing.

scvolvo · Dec 30th, 2014, 16:19

I think it might be an 8 valve now

JJKM · Dec 30th, 2014, 20:35

I thought these were none interference engines? Surely it doesn't damage anything if that's the case? Pardon my ignorance if I'm wrong. I did notice the post and thought you might at least clean the bloody thing and put on some decent pictures, particularly considering he professes to love it so much!!

barkster1971 · Dec 30th, 2014, 20:56

They are, that's the problem

mad matt · Dec 30th, 2014, 21:59

I had a 16v years ago that jumped a few teeth on the belt and that had bent most of the valves

JJKM · Dec 30th, 2014, 22:54

But I thought that none interference were immune to stuff like that?... I've no idea how it all works tbh!

doingitsideways · Dec 31st, 2014, 01:21

The 16 valvers are interference engines.

I.e, the valves can contact the pistons if the belt snaps or slips.

The 8v redblocks are non interference, so can simply be started up with a new belt.

Dec 29th, 2014, 21:17	#1
scvolvo Premier Member Last Online: Jun 4th, 2023 18:24 Join Date: Mar 2013 Location: hertford	740 16v forsale http://www.ebay.co.uk/itm/1816220935...%3AMEBIDX%3AIT Cheap and rare

Dec 30th, 2014, 08:37	#2
barkster1971 VOC Member Last Online: Apr 23rd, 2024 16:56 Join Date: Jun 2009 Location: Swineshead/Salford	fubared with possibly a fubared engine, asked bloke to turn it over slowly- couldn't be ar**ed. __________________ new engine! new car!

Dec 30th, 2014, 13:42	#4
barkster1971 VOC Member Last Online: Apr 23rd, 2024 16:56 Join Date: Jun 2009 Location: Swineshead/Salford	read If you actually read what I posted, you turn the pulley on a breaker bar slowly and if any resistance is felt you know then if the valves are bent and therefore can't retract. How do you replace the timing belt without timing it up by moving the cam sprockets and pulley? I asked him to turn it over by hand to see if it was knackered but he gave me some bull sh@t story about another 8v car he had which had done 400k and said he turned down an offer for £350 for banger racing. __________________ new engine! new car!

Dec 30th, 2014, 20:56	#7
barkster1971 VOC Member Last Online: Apr 23rd, 2024 16:56 Join Date: Jun 2009 Location: Swineshead/Salford	16 They are, that's the problem __________________ new engine! new car!

Dec 31st, 2014, 01:21	#10
doingitsideways The Daddy Last Online: Feb 29th, 2024 15:07 Join Date: May 2010 Location: Manchester	The 16 valvers are interference engines. I.e, the valves can contact the pistons if the belt snaps or slips. The 8v redblocks are non interference, so can simply be started up with a new belt. __________________ XC90 V8 Exec, C70 2.4T Convertible, S70 T5 CD, 850 TDI, 2 x Escort vans and a 2.8i Capri. Clearout has begun, but must continue!

Dec 30th, 2014, 16:19	#5
scvolvo Premier Member Last Online: Jun 4th, 2023 18:24 Join Date: Mar 2013 Location: hertford	I think it might be an 8 valve now

Dec 30th, 2014, 20:35	#6
JJKM Member Last Online: Apr 3rd, 2022 22:39 Join Date: Jul 2013 Location: Dover	I thought these were none interference engines? Surely it doesn't damage anything if that's the case? Pardon my ignorance if I'm wrong. I did notice the post and thought you might at least clean the bloody thing and put on some decent pictures, particularly considering he professes to love it so much!!

Dec 30th, 2014, 21:59	#8
mad matt Senior Member Last Online: Jul 12th, 2023 21:10 Join Date: Jun 2009 Location: amlwch	I had a 16v years ago that jumped a few teeth on the belt and that had bent most of the valves

Dec 30th, 2014, 22:54	#9
JJKM Member Last Online: Apr 3rd, 2022 22:39 Join Date: Jul 2013 Location: Dover	But I thought that none interference were immune to stuff like that?... I've no idea how it all works tbh!

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