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Thanks for the info.

Does anyone know what the main, rod and crank end play clearances are on a 2.5l SOHC small crank journal engine? Thanks

Thank you.

Anybody??? or can point me in the right direction? I emailed Melling tech for the specs but of course no reply.

Does anyone know when the intake valve closes on the factory roller cams? Trying to figure out what Ford had the dynamic compression at. Thanks

Does anyone know the cam timing events of the roller ranger cams? Specifically looking for when the intake valve closes so I can figure out what Ford had for dynamic compression.

well I ended up converting a early dual plug head intake to fit a 2.5l head. Mounted up to a bridgeport and slotted the holes to move it upwards and align the ports from top to bottom. Cut a slot in the 2.5 head on the mill to pass water into the bottom of the intake like the first version...

I have been searching for some answers about the dual plug heads and what is involved in swapping a 2.5l head onto earlier 2.3l. I have a 90 ranger dual plug head and building a new engine for it since it is getting very tired with 345k miles on it. I have a 94 2.3l setting that I am swapping a...

Thanks, I should of been more thorough on my post. I have both complete trucks sitting here, both un molested, and both manual . I was reading earlier off one of the 4.0 threads and I missed or goofed. The one conversion thread seemed like it just needed to be a 4.0 ohv donor and easier in the...

Have been reading for a while on articles and not finding or missed the article I need. Can someone shed some light on if I can swap a 97 4.0l into a 90 ranger 2.3l? The 90 ranger is rust free and that is why I want to save it. Both trucks are manual transmissions. Thanks for any replies.