289 Stroker Kit

Discussion in 'Classic Mustang Specific Tech' started by ticks, Aug 5, 2006.


  1. ticks

    ticks New Member

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    Hi I was wondering is it true that stroker kits wear out out your engine fast? Is there a good one that could go in a 289. Like the 347 kit would that fit in my 289? How durable are stroked engines? Thank You for your help
     
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  2. 68RustBucket

    68RustBucket New Member

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    I would not suggest a 347 stroker on an original 289 block. If you want the 347, grab a 5.0 roller block. they're rather inexpensive, and much more friendly with a stroker

    If you want to keep the 289 block, either build the hell out of the 289 or grab a 302 rotating assembly and have at it. potential is based on how much you want to spend. Personally, i'm rebuilding my 289 into a real screamer with usable street manners. Not many people do that these days, so I figured it'd be slightly less common than the typical 302/5.0 build up.
     
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  3. Dothang67

    Dothang67 New Member

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    Sorry to hijack the thread, but:

    What are you thinking for your rebuild 68rustbucket? im starting to sketch a plan for basicaly the same purpose as yours with a 289
     
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  4. 5.0ina66

    5.0ina66 Member

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    What? Why? How??
    I do agree though, 289 blocks dont grow on trees ya know
     
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  5. 57fairlane

    57fairlane New Member

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    The options are endless . . . especially when we don't know your expectations and your budget.

    But something you may want to remember is that a 289 block is stronger than any late model 5.0 block.
     
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  6. brianj5600

    brianj5600 Active Member

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    The reason for not using a 289 block is that the cylinders don't go down as far as the 302. This allows more rocking of the piston at BDC. Ford thought it needed to make the sleeves longer for a reason. One engine in the engine masters challenge was sleeved in all 8 cylinders because the builder did not want excessive rock. Not many 5.0 blocks fail w/o a power adder, and many live even with them. If you are not looking to make over 500hp, I'd use a 5.0 block for the simple reason it is easy to use a hydraulic roller.
     
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  7. ticks

    ticks New Member

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    So what would you guys suggest so I can get some mad horsepower without getting a stroker kit and keeping my faithfull 289. All suggestetions Welcome. Thank You for your help!!!
     
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  8. 5.0ina66

    5.0ina66 Member

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    There IS NOT, NOT, NOT a difference in cylinder wall length between 289 and 302. I'd go ahead and do it!
     
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  9. brianj5600

    brianj5600 Active Member

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    Is there any difference besides the casting #?
     
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  10. rbohm

    Founding Member

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    the difference in cylinder wall length between a 289 and a 302 block is minor at worst, and non existant at best. the 289 block is going to be stronger than the later 5.0 blocks due the greater amount of metalin them. and yes there are a few differences between the blocks, but most of them are minor ones. there are a couple of changes in the steam holes in the block deck, but they are of no concern.
     
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  11. 68RustBucket

    68RustBucket New Member

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    My build includes the following:
    Hot tank & bore the block .030 over
    KB281 Hypereutectic pistons (a bit lighter than the KB115's)
    Recondition & shot-peen the original piston rods
    Clean up the original crank. It was in excellent condition, no cuts necessary
    Comp Cams 282s cam
    Weiand Stealth intake
    AFR165's, port matched to the intake
    Holley 650 DP
    ARP main studs, rod bolts, and everything else under the sun

    **forgot to mention, the KB281's with 58cc combustion chambers increase the CR to ~9.6
    anything i'm missing, just ask and i'll try to answer

    the reason i suggested to go with a late model 5.0 block is not because of any strength issue at all ... it was because the 5.0 blocks are already setup for a roller cam / lifters.
     
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  12. Max Power

    Max Power New Member

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    Ticks, you don't have any information in your profile about your car, but if you have an older 289 equipped car, you may have a 5 bolt transmission bellhousing, and newer 5.0 rollers and 289/302s have a 6 bolt bellhousing. If you have an older 289, you may have to swap the tranny as well.
     
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  13. 5.0ina66

    5.0ina66 Member

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    Not really.
     
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  14. Jester67

    Jester67 New Member

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    You can do a search on the difference between the 289 and 302 this subject comes up about every 6 months. It sometimes becomes a heated discussion
     
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  15. LMan

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    Ahhhhhh, the myth that would not die :rlaugh:
     
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  16. 68RustBucket

    68RustBucket New Member

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    **The only reasons to definately use a late model 5.0L block over a 289 are these:
    1) The late model 5.0L blocks are roller blocks. Roller hardware is a nice luxury.
    2) You may not want to keep the 289 block incase you feel like building it back more towards original specs.
     
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