Ford 351 Windsor piston direction
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  1. #1
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    Ford 351 Windsor piston direction

    I have just pulled the heads of the 351 Windsor engine that I have acquired and noticed not all the directional notches face the same way
    6 face forward and the rear facing are rear offside and 3rd on nearside , should the notches face forward or to the rear
    Cant find a straight answer on the net ,but every other engine I have built the notches or arrows face the front
    The engine has been running this way without any damage

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    they normally face forward as you say, something to do with the gudgeon pin being slightly off centre so there is a thrust side to the piston. maybe the piston was fitted to the rod the wrong way round. if you're rebuilding it it won't matter, if not it was running ok so it won't matter
    is this the boat engine? swap the cam out, they only rev to about 4000 rpm with the boat cam usually.
    need a job done on your project? i may be able to help.

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    Hi , yes its the boat engine , i have since found out that some are built to rotate the other way and its not uncommon to have pistons facing in different directions
    I will be rebuilding anyway so will be fitting mild car cam and distributor , on the upside the bores are good with + 30 pistons , crank is good with std big ends and -020 mains , inside is very clean , it looks like its not done many hours since rebuild
    The water jacket has a bit of loose scale and when touched just falls of , from what i can see there is no corrosion or pitting to the cylinder walls , the only problem i have is the distributor was bent and seized solid into the block , i cut the shaft part way down and drilled small holes around the distributor base next to the block and left soaking in penetrating oil
    I think i will have to make a puller and use a little heat to get it out

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    BTW, advise welcome on the choice of cam , its just going to be normal road use and towing my caravan to shows , seen some from Summit and ebay USA for reasonable money

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    Official RnS Addict mygasser's Avatar
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    Edelbrock performer cam kit often is cheaper than cam an lifters bought separately if you want name brand. Summit own brand though are just fine from what I've seen, they do a performer equivalent too.
    Neil
    need a job done on your project? i may be able to help.

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    seen Enginetech cam and follower kit £131.00 delivered with duty paid or the Summit kit is quite cheap but not sure on postage costs, there is also Comp cams which look ok with decent reviews
    will look at Edelbrock performer also
    Thanks

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    Official RnS Addict mygasser's Avatar
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    the performer is quoted as idle to 5500 rpm, i've fitted probably 3 or 4 now in different makes of engine. all showed good low to mid range and would run to 6000 cleanly too. sounds ideal for what you intend, recommended so if you can get a same spec cam cheaper go for it.
    neil.
    need a job done on your project? i may be able to help.

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