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I thought the Ford 4.6L engine is an overhead cam engine. Rocker arms, but no lifters.
It is, for all years.
For rod knock, you can do the 1500 RPM test mentioned above but with one spark plug wire off at a time. If the knock goes away with one wire off, you've located where it is.
I read somewhere that the 4.6 L Modular engine was the first OHC V8 in the USA.
for mass production but dodge and GM still use the old school pushrods and why the new DOHC 5.0 ford mustang makes as much power a 6.2 liter chevy but GM did some amazing stuff with pushrods in the LSx motors and ford has made DOHC V-8 that will be huge next year with sales of the 5.0 mustang because any guy in his 20's-40's know the sound of a 87-93 fox body with flowmasters they were the car to have and people beat the crap out of them and wrecked most them but this car targets us under 50 even the styling is not like the 60's pony car look of the 05-09 LOL sorry about the rant just like the new stang and the 90's and when things were still sort of fun
I read somewhere that the 4.6 L Modular engine was the first OHC V8 in the USA.
Maybe the first mass-market OHC V8 from a US-based manufacturer. But Ferrari, Porsche (928), Lexus (LS400), Nissan (Q45) and others had OHC V8s for sale earlier than the Ford 4.6 (1991).
Maybe the first mass-market OHC V8 from a US-based manufacturer. But Ferrari, Porsche (928), Lexus (LS400), Nissan (Q45) and others had OHC V8s for sale earlier than the Ford 4.6 (1991).
yeah I would say Ferrari is an exotic so it would not count plus I think ford 4.6 was better built just because at 40K miles is alot for a Ferrari needs the whole motor needs to come out and the heads rebuilt that why alot of 355's are for sale cause they will need a rebuild soon
yeah I would say Ferrari is an exotic so it would not count plus I think ford 4.6 was better built just because at 40K miles is alot for a Ferrari needs the whole motor needs to come out and the heads rebuilt that why alot of 355's are for sale cause they will need a rebuild soon
Actually at least on the Testarossa and 348 (Guy I know owns both...) the engine needs to come out every 30K I think it is for timing belt replacement - on both cars the timing belts are up tight against the firewall and no way could you do them in the car - however if you have a lift (and this guy does) (serious motorhead) the engine and transaxle comes out of both cars very similar to an old VW aircooled.
Getting back to the 4.6 - IIRC it does have hydraulic valve adjustment, these are not "lifters" in the pushrod sense but they work in a similar fashion, and can get sticky and click the same way.
I don't know who can claim the first OHC mass production V-8 in the US, but of course Ford built the famous 427 Cammer back in the late 60's, most people don't know that Duesenburg cars had DOHC 4-valve heads back in the 30's - these are straight-8 rather than V-8 engines though. I guess it's a matter of opinion if these are "mass production" or not.
I do remember renting a Ford Crown Vic back when the 4.6 first came out, and was very impressed at how smooth it was, made good power and decent MPG considering the bulk of the car.
Maybe the first mass-market OHC V8 from a US-based manufacturer. But Ferrari, Porsche (928), Lexus (LS400), Nissan (Q45) and others had OHC V8s for sale earlier than the Ford 4.6 (1991).
Yes, I meant by a US-based manufacturer. I know other foreign manufacturers started before.
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