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Old May 16, 2004 | 11:02 PM
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300 Ring Gear Interchange?

without having the benefit of a hollander interchange book -the cd would be nice- i'll ask here..

will a ring gear from a 5.0l from an 88 LTD fit a 300 six without vibes?
i want to put a 300 6 in front of an AOD from the above same car in my truck, and am wondering what ring gear/flywheel i will need..

J
 

Last edited by Craigwell; May 16, 2004 at 11:10 PM.
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Old May 16, 2004 | 11:10 PM
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Unless your car had an aftermarket set of gears, I would question the fruits of your labor. Those gears are most likely 2.73 or 3.08 and would make your truck kinda sluggish. With overdrive and a stock 29" tire (LT 235-75-R15) and Overdrive, I'd suggest 3.55-3.73 gears. Just my educated guess, but I think that due to the truck's larger tire diameter plus it's added weight, you'd be unhappy with the car gears.
 
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Old May 16, 2004 | 11:11 PM
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sorry, i mean the automatic flywheel from the 302, no gears involved.. also,
the truck has 4.10 gears.. i think a 300I6 with an AOD will be a nice setup, with that gearing..
 
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Old May 16, 2004 | 11:31 PM
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Oh, I see. In that case...

The inline six is balanced differently than the V8, so while they will physically interchange, it would be wise to aqquire a dedicated flex plate/ring gear for your six. I've been told that whacking the weights off of the V8 Flexplate will make it capable, but for what a new flexplate costs, the risks don't outweigh the benefits.
 
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Old May 16, 2004 | 11:33 PM
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300 and 302s are balanced differently.

300's are all internal balance
302 are exernal balance with 28inch/once weight untill around 82 (cars changed a little earlier then trucks) and 50inch/once after around 82.
 
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Old May 16, 2004 | 11:35 PM
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good info, thank you very much... will i have a problem finding a 300 six flex plate that the AOD tourque convertor will bolt to ? or is it exactly like a C4 or C6 ?
 
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Old May 16, 2004 | 11:41 PM
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Should be no problem. Pattern is the same for the EOD trans (the electronic AOD). Also, I've seen AOD/Inline Six setups from the factory. They are just unusual because most Automatic/Inline Six combos were equipped with C6 trannys to the best of my knowledge.
 
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Old May 16, 2004 | 11:48 PM
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its different than a C4 and C6.
shouldn't be a problem getting one

ask for a flexplate from a 83-90 F150 with a 300 (4.9) and a AOD
 
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Old May 17, 2004 | 12:25 AM
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right on.. thank you very much!
 
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