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RE: 390...or 428? (long)

By Martin Micheelsen - 08/13/2003 3:17:29 AM; IP 66.135.226.87

Hi Mike, I used to think the "upgraded" engine, put in my 69 Cougar XR7 by the previous owner, was a 428CJ - It had the 428CJ cylinder heads, fan etc. Testing the stroke of the engine can give you a good indication of what you have. Remove the spark plugs in cylinder 1 and 4 and place the piston in cylinder 1 at tdc. Then with a metal rod measure the distance from the edge of the valve cover to the piston in 1 and 4. The difference is the stroke. 352s are 3.5 inches, 390s 3.75 and 428s 4.0.

Good luck. I hope yours is a 428.

This thread, so far...

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Collapse <a href=../ForumFE/reply.aspx?ID=18100&Reply=18100><img src=../images/reply.png width=30 height=10></a> <a href="#" id="anchor18100" onclick="return false;">390...or 428? (long)</a> -- <font color=#0000ff>mike, <i>08/12/2003</i></font><script type="text/javascript">
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390...or 428? (long) -- mike, 08/12/2003

RE: 390...or 428? (long) -- Martin Micheelsen, 08/13/2003

Collapse <a href=../ForumFE/reply.aspx?ID=18107&Reply=18100><img src=../images/reply.png width=30 height=10></a> <a href="#" id="anchor18107" onclick="return false;">RE: 390...or 428? (long)</a> -- <font color=#0000ff>Royce Peterson, <i>08/13/2003</i></font><script type="text/javascript">
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RE: 390...or 428? (long) -- Royce Peterson, 08/13/2003

Collapse <a href=../ForumFE/reply.aspx?ID=18108&Reply=18100><img src=../images/reply.png width=30 height=10></a> <a href="#" id="anchor18108" onclick="return false;">RE: 390...or 428? (long)</a> -- <font color=#0000ff>mike, <i>08/13/2003</i></font><script type="text/javascript">
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RE: 390...or 428? (long) -- mike, 08/13/2003

Collapse <a href=../ForumFE/reply.aspx?ID=18109&Reply=18100><img src=../images/reply.png width=30 height=10></a> <a href="#" id="anchor18109" onclick="return false;">RE: 390...or 428? (long)</a> -- <font color=#0000ff>tom, <i>08/13/2003</i></font><script type="text/javascript">
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RE: 390...or 428? (long) -- tom, 08/13/2003

Collapse <a href=../ForumFE/reply.aspx?ID=18111&Reply=18100><img src=../images/reply.png width=30 height=10></a> <a href="#" id="anchor18111" onclick="return false;">RE: 390...or 428? (long)</a> -- <font color=#0000ff>mike, <i>08/13/2003</i></font><script type="text/javascript">
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RE: 390...or 428? (long) -- mike, 08/13/2003

Collapse <a href=../ForumFE/reply.aspx?ID=18113&Reply=18100><img src=../images/reply.png width=30 height=10></a> <a href="#" id="anchor18113" onclick="return false;">RE: 390...or 428? (long)</a> -- <font color=#0000ff>mike, <i>08/13/2003</i></font><script type="text/javascript">
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RE: 390...or 428? (long) -- mike, 08/13/2003

Collapse <a href=../ForumFE/reply.aspx?ID=18116&Reply=18100><img src=../images/reply.png width=30 height=10></a> <a href="#" id="anchor18116" onclick="return false;">RE: 390...or 428? (long)</a> -- <font color=#0000ff>rusty, <i>08/13/2003</i></font><script type="text/javascript">
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RE: 390...or 428? (long) -- rusty, 08/13/2003

Collapse <a href=../ForumFE/reply.aspx?ID=18125&Reply=18100><img src=../images/reply.png width=30 height=10></a> <a href="#" id="anchor18125" onclick="return false;">Harmonic balancers are the same for any given year</a> -- <font color=#0000ff>Royce Peterson, <i>08/13/2003</i></font><script type="text/javascript">
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Harmonic balancers are the same for any given year -- Royce Peterson, 08/13/2003

RE: Harmonic balancers are the same for any given year -- mike, 08/14/2003

Collapse <a href=../ForumFE/reply.aspx?ID=18117&Reply=18100><img src=../images/reply.png width=30 height=10></a> <a href="#" id="anchor18117" onclick="return false;">flywheel/balencer</a> -- <font color=#0000ff>mike, <i>08/13/2003</i></font><script type="text/javascript">
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flywheel/balencer -- mike, 08/13/2003

RE: flywheel/balencer -- rusty, 08/13/2003

Collapse <a href=../ForumFE/reply.aspx?ID=18119&Reply=18100><img src=../images/reply.png width=30 height=10></a> <a href="#" id="anchor18119" onclick="return false;">RE: 390...or 428? (long)</a> -- <font color=#0000ff>rusty, <i>08/13/2003</i></font><script type="text/javascript">
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RE: 390...or 428? (long) -- rusty, 08/13/2003

Collapse <a href=../ForumFE/reply.aspx?ID=18122&Reply=18100><img src=../images/reply.png width=30 height=10></a> <a href="#" id="anchor18122" onclick="return false;">RE: 390...or 428? (long)</a> -- <font color=#0000ff>mike, <i>08/13/2003</i></font><script type="text/javascript">
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RE: 390...or 428? (long) -- mike, 08/13/2003

Collapse <a href=../ForumFE/reply.aspx?ID=18123&Reply=18100><img src=../images/reply.png width=30 height=10></a> <a href="#" id="anchor18123" onclick="return false;">My block is C7me-a,its a 390</a> -- <font color=#0000ff>steve, <i>08/13/2003</i></font><script type="text/javascript">
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My block is C7me-a,its a 390 -- steve, 08/13/2003

Those numbers don"t mean anything. -- steve, 08/13/2003

Collapse <a href=../ForumFE/reply.aspx?ID=18127&Reply=18100><img src=../images/reply.png width=30 height=10></a> <a href="#" id="anchor18127" onclick="return false;">RE: 390...or 428? (long)</a> -- <font color=#0000ff>John, <i>08/14/2003</i></font><script type="text/javascript">
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RE: 390...or 428? (long) -- John, 08/14/2003

RE: 390...or 428? (long) -- Brien, 08/14/2003

Collapse <a href=../ForumFE/reply.aspx?ID=18133&Reply=18100><img src=../images/reply.png width=30 height=10></a> <a href="#" id="anchor18133" onclick="return false;">RE: 390...or 428? (long)</a> -- <font color=#0000ff>mike, <i>08/14/2003</i></font><script type="text/javascript">
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RE: 390...or 428? (long) -- mike, 08/14/2003

Collapse <a href=../ForumFE/reply.aspx?ID=18136&Reply=18100><img src=../images/reply.png width=30 height=10></a> <a href="#" id="anchor18136" onclick="return false;">Manifolds</a> -- <font color=#0000ff>Royce Peterson, <i>08/14/2003</i></font><script type="text/javascript">
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Manifolds -- Royce Peterson, 08/14/2003

Collapse <a href=../ForumFE/reply.aspx?ID=18137&Reply=18100><img src=../images/reply.png width=30 height=10></a> <a href="#" id="anchor18137" onclick="return false;">RE: Manifolds</a> -- <font color=#0000ff>mike, <i>08/14/2003</i></font><script type="text/javascript">
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RE: Manifolds -- mike, 08/14/2003

RE:water pump/manifolds -- mike, 08/14/2003

Collapse <a href=../ForumFE/reply.aspx?ID=18142&Reply=18100><img src=../images/reply.png width=30 height=10></a> <a href="#" id="anchor18142" onclick="return false;">RE: 390...or 428? (long)</a> -- <font color=#0000ff>rusty, <i>08/15/2003</i></font><script type="text/javascript">
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RE: 390...or 428? (long) -- rusty, 08/15/2003

Collapse <a href=../ForumFE/reply.aspx?ID=18145&Reply=18100><img src=../images/reply.png width=30 height=10></a> <a href="#" id="anchor18145" onclick="return false;">RE: 390...or 428? (long)</a> -- <font color=#0000ff>mike, <i>08/15/2003</i></font><script type="text/javascript">
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RE: 390...or 428? (long) -- mike, 08/15/2003

Collapse <a href=../ForumFE/reply.aspx?ID=18148&Reply=18100><img src=../images/reply.png width=30 height=10></a> <a href="#" id="anchor18148" onclick="return false;">exhaust?</a> -- <font color=#0000ff>salid, <i>08/15/2003</i></font><script type="text/javascript">
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exhaust? -- salid, 08/15/2003

RE: exhaust? -- dave, 09/10/2003

RE: 390...or 428? (long) -- giacamo, 09/10/2003

RE: 390...or 428? (long) -- giacamo, 09/10/2003