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Old 09-27-2005, 02:15 PM   #1 (permalink)
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351W flywheel+head question

I got a nice Windsor today.Will put it in my 69Custom tommorow.I have a '68 302 and a 3sp manual.I read that the 351 has the same balance.When i use my flywheel,is there a trick?Or should i just install it on the 351 with the welded counterweight in the same position that the auto flexplate has now???

The windsor heads have no air pump inlet on the back,but i can find no casting numbers.I can only find a "351" and "75".
They have the old style rockers.The book says that these are still the big valve heads.Correct???

Thanks!
OldSchoolOlli
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Old 09-27-2005, 02:51 PM   #2 (permalink)
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351W flywheel+head question

Early SBF, including the 302's, up until 1980 or so and all 351 share the same factory imbalance, 28 oz. If there aen any custom changes, obviously that brings up a whole separate set of issues.

After that, 302's (5.0 liter) went to the 50 oz balance. Your flywheel/flexplate weight offset is not a problem.
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Old 09-27-2005, 03:55 PM   #3 (permalink)
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351W flywheel+head question

Quote:
On 2005-09-27 14:15, 71LincMK3 wrote:
When i use my flywheel,is there a trick?Or should i just install it on the 351 with the welded counterweight in the same position that the auto flexplate has now???
You can only bolt the flywheel or flexplate up one way, so that won't be a problem and as said above, the imbalance is 28 oz on both the 351 and the 68 302, so that is no problem too. Can't help you on the heads unfortunately.
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Old 09-27-2005, 05:08 PM   #4 (permalink)
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351W flywheel+head question

Neal is right about bolting up the flywheel. To make it a tad clearer, a few of the six bolt holes are slightly offset. Just turn the flywheel around until the 6 holes match up perfectly and bolt her up! Ford did this so you'll have no problem with the balance weight position.

The head casting numbers are on the bottom of the head below the intake mounting flange. If you pull the intake manifold, you can find them with a mirror.

[ This Message was edited by: polkat on 9/28/05 5:10am ]
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Old 09-27-2005, 05:10 PM   #5 (permalink)
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351W flywheel+head question

Thanks guys!
Will buy a passenger car oil pan tommorow+go for it!
OldSchoolOlli
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Old 09-27-2005, 06:51 PM   #6 (permalink)
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351W flywheel+head question

large plugs usually tells they are the good, heads,the small plugs started sharing the 302 castings ok bill
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