Thanks. I appreciate the advice and will take it.Reminder - wait on your machine work until you have the head gasket, pistons and rings in your hands. Both the deck height (to set quench) and the bore finish will be specific to the exact parts you buy.
Rocker arms options are stock non and adjustable 1.5 and 1.6 ratios.
Roller rockers in 1.65 are available from Rocker arms unlimited https://www.rockerarms.com/images/chartimages/F44RA.jpg and yella terra in Australia. https://store.yellaterra.com.au/cat...line/ford-inline-6-144-250-pre-crossflow.html
RAU use stock type cup/ball pushrods and Yella Terra uses oil through lifter and ball/ball oil through pushrods. You can get any size you need from Smith brothers at www.pushrods.net
The head vacuum tested good and was done some time recently so I'll leave it be. I'm going to have them resurface it to make sure it's square. Same with the block. They'll just resurface it, to ensure that it's square.Are you considering a compression bump or head and valve enhancements? Kind of low cost power increase since you have it apart and at machine shop?
This is good amount of improvement but, bumping up compression to like 9.0/1 would work best with all the mods. So go ahead and calculate.In terms of performance, I'm going the standard route of an Ebay header, Redline Webber 38/38 kit and the Clay Smith H-267-8-B cam and probably 1.6 ratio, adjustable roller rockers.
The head vacuum tested good and was done some time recently so I'll leave it be. I'm going to have them resurface it to make sure it's square. Same with the block. They'll just resurface it, to ensure that it's square.
In the future, I'm planning on either getting an Aussie crossflow or Argentinian head or if Vintage Inlines is able to produce their head, I'll go that route but for now I'll leave it as is.
In terms of performance, I'm going the standard route of an Ebay header, Redline Webber 38/38 kit and the Clay Smith H-267-8-B cam and probably 1.6 ratio, adjustable roller rockers.
I agree, if you're cutting the head/block anyway, it's the ideal time to take a bit more off for a modest compression increase. Run the #'s on a good compression calculator. There's the side benefit of tighter quench too.This is good amount of improvement but, bumping up compression to like 9.0/1 would work best with all the mods. So go ahead and calculate.
94! Cool. Just try to avoid greed and fall into a small hole. Adding a little compression will help a squeak on power, but if a bit too much will require de-tuning or more expensive fuel. Small gains, bigger downside, and finding a balance you can be confident won't det. I have no qualms dropping a bit from the bleeding edge, and knowing it will take my boot even with that crappy load of gas, or your local pumps drop to 91 one day.… somewhere around 9.0:1 or a little above. We have 94 octane here …
Thanks for the suggestion. I’ve got the time and tools so I’ll do just that.Milling the head reduces the depth of the oil transfer passage where oil comes up from the block and crosses over to a head bolt hole. It is easy to deepen, smooth, and radius the corner of this passage, and of a couple other choke points, to improve oil flow up to your rocker shaft.
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