csweatherston
Member
Registered: 16th Jan 06
Location: Devon
User status: Offline
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for my new engine what OIL would you recommend using?
a high quality mineral has been recommended.....
its got all new seals, bearings, piston rings etc.......well everything is new apart from the rods and crank.......and has been built using a stp and arp assembly compound...
i was just going to chuck some magnatec in ther.....
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willay
Moderator
Organiser: South East, National Events
Premium Member
Registered: 10th Nov 02
Location: Roydon, Essex
User status: Offline
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std vaux 10 40?
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csweatherston
Member
Registered: 16th Jan 06
Location: Devon
User status: Offline
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good man...thats what i thought........none of this special mineral stuff then....
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AK
Member
Registered: 5th Jul 00
Location: Aberdeen City
User status: Offline
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use mineral oil for initial startup and run in. Change to part synt 10w40 once run in.
You need the rings to bed in properly etc
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Dave A
USER UNDER INVESTIGATION - DO NOT TRADE
Registered: 10th Dec 03
Location: County Durham
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yes if its new as in new piston rings, honed bores and bearings etc...
decent quality mineral oil first 500 miles
change oil and filter
decent quality mineral oil for a further 500 miles
change oil and filter
vaux 10w40 for further 3000 miles and continue oil changes at 3000 mile intervals
and use the correct running in procedure. use varied revs up to (3k rpm) for first 500 miles, up to 5000 rpm up to 1000 miles. then gradually build them up . DO NOT drive for 1000 miles on the motorway otherwise the bores will glaze over and lead to poor compression etc... use varied driving. its a good idea to do compression checks at 300 mile intervals as well during running in. this will give you a good idea of how its all running in.
also make sure your engine isnt running rich at all. with mineral oil this can be fatal.
[Edited on 16-11-2006 by Dave A]
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csweatherston
Member
Registered: 16th Jan 06
Location: Devon
User status: Offline
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much appreciated everyone 
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Nic Barnes
Member
Registered: 5th Apr 04
Location: nowhere near ginger people
User status: Offline
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mineral oil as said above
if its a complete engine re-build pistons the lot, best start it up, let it warm up then change oil and filter. this gets rid of any swarf etc, as you really dont want that to go round your engine when running in
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