Engine timing refresh and oil pump change

Discussion in 'Boss 302 and S197 Technical Forum' started by Mad Hatter, Mar 31, 2018.

  1. Mad Hatter

    Mad Hatter Gotta go Faster

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    My Boss has been on the track almost every month since got it in 2012. It must have well over 60 hours of track time and was wondering if it was time do do some preventative care. The car only has about 36000 miles on it. Sounds like the tensioners are a making a lttle noise as well.

    Would this kit be a little overkill if you were not swapping out cams??
    [​IMG]

    Its the Ford Performance camshaft drive kit..... (M-6004-A504?)

    [​IMG]

    Also thinking about the Cobrajet oil pump as well (M-660050-CJ)
     
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  2. k98dave

    k98dave TMO Addict

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    Cam drive kit looks like the way to go for preventative maint. Not sure on oil pump though as Boss VVT might be set up for specific pressure. Do you know the data on the Cobra Jet pump?
     
  3. captdistraction

    captdistraction I am the breaker of things

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    I ran the CJ pump. It works fine with boss timing and valvetrain.

    The kit is convenient as it comes with everything needed included.

    The pump is great as a complete assembly. I never had problems with it where I have had difficulties with other “assemble it yourself” systems despite the simplicity
     
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  4. Mad Hatter

    Mad Hatter Gotta go Faster

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  5. captdistraction

    captdistraction I am the breaker of things

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    On Steve’s motor i am just replacing the tensioners and chains. It’s worth inspecting all of it but typically chains, guides and tensioners are your typical wear items.
     
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  6. Mad Hatter

    Mad Hatter Gotta go Faster

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    We posted at the same time! I saw your video, am looking for a bright idiot light just for me! to go along with my new gauges. (Yes Grant, you told me already!! I Know!)
     
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  7. RES_22

    RES_22 Rob

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    Like Cris said... if you open up the thing, then why not change out the existing (“consumables”) with the kit?

    One fewer thing on the worry list......
     
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  8. Mad Hatter

    Mad Hatter Gotta go Faster

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  9. Grant 302

    Grant 302 OPM Spent: $587,402 Moderator

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    If you had to prioritize the items for cost concerns, I would do them in this order:

    Guides - almost mandatory with any tear-down
    Primary chains - IIRC there was a spec for how much stretch was acceptable to leave in service.
    Secondary chains
    Tensioners
    Sprockets
    Fasteners
    Phasers and everything else pictured in the kit.

    Just based on the wear I've seen from older mod motors.
     
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  10. Mad Hatter

    Mad Hatter Gotta go Faster

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    Thanks Grant. Where would you put the CJ oil pump on that "Prioritized" list?
     
  11. Grant 302

    Grant 302 OPM Spent: $587,402 Moderator

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    I think at the top or 2nd after the guides. Considering that the engine is already apart/open in front.

    I don't consider the pump a wear item, but we've seen what happens when one fails.
     
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  12. Mad Hatter

    Mad Hatter Gotta go Faster

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    thanks.... Waiting to hear from Shaun about his L&M intake cam.... To see far down the rabbit hole I tumble.

    But before doing anything else I will install the gauge pod and oil pressure light!

    looks like those apex 18x11 wheels will be a little further down the road.
     
  13. ArizonaBOSS

    ArizonaBOSS Because racecar. Moderator

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    I have the CJ pump on my engine. No complaints--if you are still on the factory pump, get that thing out of there before it grenades.

    Also--this would be a good time to replace the valvesprings with a fresh set of OEM BOSS 302 springs. If you were taking the cams out it would make more sense, but you will be done with most of the work if you are doing the timing chain and oil pump anyways.
     
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  14. RES_22

    RES_22 Rob

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    Pump is Job 1... springs are cheap too, when you consider your main application (risk exposure) AND pain associated with having the risks materialize.

    Jeez... I’m spending OPM like Grant after a trip to the trampoline store (aka Chevy dlrshp).
     
  15. Mad Hatter

    Mad Hatter Gotta go Faster

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    Shaun, replied and said you can expect 17 to 20 hp for the L&M intake only cam with a updated tune..... Now have to see how I schedule all this!! next race is in three weeks. Off to the dyno tomorrow will see how the car is doing meantime....
     
  16. ArizonaBOSS

    ArizonaBOSS Because racecar. Moderator

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    Those cams are no joke. Got me nearly 30whp.
     
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  17. Mad Hatter

    Mad Hatter Gotta go Faster

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    Cool!! thats great to hear!
     
  18. Mad Hatter

    Mad Hatter Gotta go Faster

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    I was a little worried about changing the valve springs.... since the more you get into the motor down here the more I get worried.
     
  19. RES_22

    RES_22 Rob

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    I talked with Micheal from L&M. Serious dude.

    I am installing his intake cams in my car.

    Thanks Drew for the solid find.
     
  20. ArizonaBOSS

    ArizonaBOSS Because racecar. Moderator

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    It can be difficult without the right tools. You will want the Coyote valve spring compressor from Freedom Racing Tool and Die.
    When you are in there, make sure to block the oil return ports on the exhaust side of the head with shop rags or paper towels so you don't drop any of the keepers or anything down into the oil pan.
    Patience is key.
     
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