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  1. oz

    How To Get 351w To Fit Into '73?

    I don't think the 351 Windsor was available in '71-'73 - only the Cleveland... Does the right oil pan and pump combo exist?
  2. oz

    How To Get 351w To Fit Into '73?

    Greetings, My uncle has a '73 with a blown up 302 and he bought a 351W to put in it. It came set up for a Fox bodied Mustang so it has the dual sump pan and an oil pump with a long tube to get the pickup in the rear sump... I told him he'd have to change that to a '73 style pan and pump. He...
  3. oz

    Can I Use Balancer & Flywheel From '79 351w On A '73 302 (both 28 Oz)?

    That's what I thought but it seems that the overall weight of the balancer is different - I guess what really matters is how much 'imbalance' is there. Thanks!
  4. oz

    Can I Use Balancer & Flywheel From '79 351w On A '73 302 (both 28 Oz)?

    Greetings, Long story short - junk '73 302 engine in a Mustang, rebuilt '79 351W engine ready to go in. '73 has the 164 tooth, 14.5" flywheel while the '79 has a 157 tooth, 13.25" flywheel I don't want to have to get a new bell housing and starter that would be required to run the '79...
  5. oz

    Could This Bend A Valve?

    I got the head off and took off the retainers and spring from the suspect intake valve and spun it in the guideand I can't see that it's bent but the seat is dark on one side - like there has been some exhaust slipping past it. The seat on the head has darkening on one side too. I'm going to...
  6. oz

    Could This Bend A Valve?

    I had concerns about the valve springs at first but have not had any issues with the PowerHeads. They made very good power for what they are and I have a wide torque band that starts at low rpm. After hitting my rev limiter a few times since putting them on without any issues, my concerns about...
  7. oz

    Will Coolant Ruin O2 Sensors

    I'm going to order a set just to be safe. I want to get it on the dyno after sorting out some other problems (see other threads by me) and a fresh set of sensors would be good to have. Thanks!
  8. oz

    Could This Bend A Valve?

    I'd hope it's just the seat too but 60% leak down makes me think it's the valve. I don't think little notches would flow that much - plus they'd whistle like a train...
  9. oz

    Could This Bend A Valve?

    (expletive deleted) me! The little part that fell in was a V shaped spring steel set of fingers that go in the 'grabber'... if the valve closed on it, it would be on its side - so the metal that touched the valve and seat is very thin... so probably scored seat AND bent valve! yay... Is it...
  10. oz

    Could This Bend A Valve?

    Nope, it was sitting on top of the valve when I got the head off... right where I thought it would be. It didn't occur to me that there was enough spring pressure to bend the valve's head if it closed on an object - but I should have... FYI - the long and short is that I dropped a fuel...
  11. oz

    Could This Bend A Valve?

    The heads only have about 1000 miles on them. They were built by PowerHeads with all new parts. I'm not sure if the seats were new though. It didn't have this problem prior to 'the incident' with the small part going in so I'd be surprised if the seat or valve contact surface was bad. Either...
  12. oz

    What Is Needed To Swap Early 302 To Fox 5.0???

    2+2GT, Thanks for the info. A follow up - Can the '73 timing cover be used with the 5.0 timing chain/gears? If I remember correctly, the 5.0 timing set is thinner - so this would work - but no fuel pump cam. I know this would necessitate putting a cover plate over the mechanical fuel pump...
  13. oz

    Will Coolant Ruin O2 Sensors

    Greetings, I'm debugging my engine and in addition to other problems (other threads), it's running very rich - black soot on the brand new plugs. When I took the head off recently, all the coolant ran down and off the O2 sensor I had out of the exhaust pipe. In addition, a lot of the coolant...
  14. oz

    Could This Bend A Valve?

    Greetings, Long story short, dropped small metal object down intake runner #1. Turned engine to TDC #1, and then a full rotation to get to TDC w/ valves closed. Had to take the head off to get the part out. After reassembled, did compression and then leak down and found that while...
  15. oz

    What Is Needed To Swap Early 302 To Fox 5.0???

    Another question - If someone wanted to keep the 5.0 timing cover (and run an electric inline fuel pump), what water pump would fit the 5.0 cover while still using the 302 forward rotating V belt setup (not a reverse rotation water pump like 5.0) ?
  16. oz

    What Is Needed To Swap Early 302 To Fox 5.0???

    I've never bought one although I would rather rebuild what I have than trust someone else to do it. I think my uncle just wants to get the thing running now and isn't interested in rebuilding the engine. It's been sitting for 30 years and has pretty low compression on a couple of cylinders. I...
  17. oz

    What Is Needed To Swap Early 302 To Fox 5.0???

    The back story is that my uncle bought a '73 with a toasted 302 w/ 2BBL and 3 speed. He is planning to buy a long block from the local parts store. I suggested that he consider getting the 5.0 instead of the 302 since it has better flowing heads, a roller cam and the one piece rear main oil...
  18. oz

    What Is Needed To Swap Early 302 To Fox 5.0???

    OK, thanks. I take it from your reply that a long block won't come with a balancer and the 5.0 would need the 50 oz balancer as opposed to the 28 oz that is on the 302, correct? What about the flywheel - is there any difference there or is it internally balanced (not related to overall engine...
  19. oz

    What Is Needed To Swap Early 302 To Fox 5.0???

    Greetings, Can someone please list all the things I'd need to do if I want to put a late 80's/early 90's 5.0 in a '73 in place of the stock 302? The original '73 302 is junk and instead of getting another early 302 long block, how hard would it be to use a 5.0 (w/ roller cam) and use it in the...
  20. oz

    Water From Exhaust - Intake Or Head Gasket?

    I went ahead and got a radiator pressure tester at Harbor Freight. I pressurized it to 18 psi and it looked for a few minutes like it was going to hold so I went away for an hour and it was 15 psi when I came back. I didn't think it should drop this much in an hour but wasn't convinced yet...
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