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Re: Big block 727 question
[Re: 451Mopar]
#2712905
11/05/19 08:36 AM
11/05/19 08:36 AM
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Joined: Jan 2003
Posts: 4,276 Florida
blewbyu
master
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master
Joined: Jan 2003
Posts: 4,276
Florida
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I don't know by part number, but the HP trans usually has the 4-pinion front planetary gear and 4-clutch front drum, and some non-HP just have 3-Pinion, 3-Clutch Drum. Not sure if the governor is a different shift point. The parts interchange, so no problem upgrading a low performance to HP specs. If in the budget, Bolt-in super sprag and Billet front drum (5-clutch) are great upgrades for safety and performance. I believe only Hemi trans had the 4 gear planetary?
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Re: Big block 727 question
[Re: 6PAX]
#2713034
11/05/19 03:10 PM
11/05/19 03:10 PM
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Joined: Jan 2003
Posts: 25,618 Rio Linda, CA
John_Kunkel
Too Many Posts
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Too Many Posts
Joined: Jan 2003
Posts: 25,618
Rio Linda, CA
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The earlier 440 HP had 4-pinion planetaries front and rear, 440 standard performance had them in the front only. Any 440-4 will have 4-disc front and rear clutches. Governor is different in the HP.
In '72 most 440's had the 4-pinion in the front only.
The INTERNET, the MISinformation superhighway
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