• When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network.

Search results for query: *

  1. BSB67

    What plugs for a 68 440 motor.....

    As mentioned above. The details of tune-up, temp, cooling, timing, plugs can help. But if have cast iron cylinder heads and you're at a compression ratio of > 10:1, and a cylinder cranking pressure of > 165 psi., there is probably not simple fix
  2. BSB67

    What plugs for a 68 440 motor.....

    Okay. Good info. I'm not sure what a 4k deck height is. Do you mean 0.004" below the deck? Four shallow valve notches? If so, you are approaching 11:1 compression ratio with iron heads. Will you be running pump gas? The typical J11Y - J14Y will be too hot. Probably NGKR5670-7. This is...
  3. BSB67

    What plugs for a 68 440 motor.....

    Funny stuff. There are all kinds of suggestion, but we have no information from the OP to even speculate as to what might be a good plug. I'll assume a big block based on his "bb" statement. Is it a 440? There was no 915 head in 68. So is it a 68 head, or a 915 head? What is the...
  4. BSB67

    Timing issues

    The length is 2.25" Can you measure your wire?
  5. BSB67

    Timing issues

    Just getting down into the weeds. What is the length you used for 36°? And are you sure you have the "zero" mark on the tab? A picture would be helpful. I think its worth the effort to make sure this was all done right before we start pulling the entire engine inside-out.
  6. BSB67

    Timing issues

    I was asking the OP how he did it.
  7. BSB67

    Timing issues

    How exactly did you determine that it was at 35 - 36°
Back
Top