Needing a flywheel for my application, help.
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Senior User
Joined: Oct 2005
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From: Sioux City, Iowa
Needing a flywheel for my application, help.
I'm putting and internal balanced 460 into a 1990 f350 with a manual transmission. I need to find a flywheel that will work. I know there are a few places that sell them but I'm having troubles finding them through searches. Any help would be appreciated, thanks.
Elder User
Joined: Apr 2006
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From: mid-MO
Originally Posted by ArdWrknTrk
390 flywheel is zero balance and the ring gear is correct.
Not sure if a ZF pressure plate will fit though.
Can't you just get the current one rebalanced at a driveline or machine shop?
Not sure if a ZF pressure plate will fit though.
Can't you just get the current one rebalanced at a driveline or machine shop?
pedant
Joined: Jan 2008
Posts: 23,576
Likes: 39
From: EXTREME southwest CT
I can see that he has a flexplate on the older engine now, but if he has a '90 truck with a ZF that will fit a 385 he should already have a flywheel...
Or he could get the flywheel for that combo and have it neutral balanced.
I bought a new '93 flywheel (with ring gear!) for ~$100.
How much would the shop charge to make it zero?
Its got to be better than the $600 L&L gets...
Or he could get the flywheel for that combo and have it neutral balanced.
I bought a new '93 flywheel (with ring gear!) for ~$100.
How much would the shop charge to make it zero?
Its got to be better than the $600 L&L gets...
Elder User
Joined: Apr 2006
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From: mid-MO
You know, I never considered that. That is brilliant really. That would get my vote for sure, but we do need to know what bellhousing he is going to use. I'm unfamiliar with the zf tranny and the hole mounting pattern. Is it the same as a 4 speed top loader tranny like the t-18 and np-435? I know for a fact that a flywheel from a mid 80s 460 will not work with a 351/400 bellhousing...
pedant
Joined: Jan 2008
Posts: 23,576
Likes: 39
From: EXTREME southwest CT
ZF's have an integral bell, just like a C6.
You need one from a 460, to fit a 460...
Some say you can drill new holes in a diesel ZF-5 bell to make it fit, but first is too high and the other ratios too close for a gas engine with a 5k redline.
And what do you use for a starter?
Windsor ZF's have an internal (concentric) slave/release bearing unit, and a smaller bell altogether.
You need one from a 460, to fit a 460...
Some say you can drill new holes in a diesel ZF-5 bell to make it fit, but first is too high and the other ratios too close for a gas engine with a 5k redline.
And what do you use for a starter?
Windsor ZF's have an internal (concentric) slave/release bearing unit, and a smaller bell altogether.
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Tuned
Joined: Mar 2010
Posts: 491
Likes: 7
L&L, Summit, and Jegs all have the internally balanced 460 flywheels. Unfortunately, they all want a pretty penny for them - usually they're $300+ just for the flywheel!
The only Flywheels that were stock were 2wd 460's (and maybe the Super Cobra Jet 429 Mustang), and finding a factory or parts-store equivalent is impossible - I spent a few weeks calling around to find ANY other vehicle that came with one, and no one locally had a zero-balance flywheel.
Getting a 79+ Flywheel and having it rebalanced by the machine shop may be the best answer - they can chuck it up and take material off until it's back to the right balance.
The only Flywheels that were stock were 2wd 460's (and maybe the Super Cobra Jet 429 Mustang), and finding a factory or parts-store equivalent is impossible - I spent a few weeks calling around to find ANY other vehicle that came with one, and no one locally had a zero-balance flywheel.
Getting a 79+ Flywheel and having it rebalanced by the machine shop may be the best answer - they can chuck it up and take material off until it's back to the right balance.
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Tuned
Joined: Mar 2010
Posts: 491
Likes: 7
I thought the Super Cobra Jet 429/460's were manual? There's a listing in parts catalogs for manual transmission parts for that motor size in those bodies (Mustang/Ranchero).
Tuned
Joined: Mar 2010
Posts: 491
Likes: 7
I don't know about the SCJ, but how about a regular 429 CJ?
Apparently one of TWO made for that particular model year. Price is kinda steep (just a warning).
1971 Ford Ranchero 429 Cobra Jet
Apparently one of TWO made for that particular model year. Price is kinda steep (just a warning).
1971 Ford Ranchero 429 Cobra Jet
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