Re: Putting bushings in ductile iron rockers?
[Re: lewtot184]
#1479956
08/05/13 02:04 PM
08/05/13 02:04 PM
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Joined: Jan 2003
Posts: 75,274 A gulag near you.
JohnRR
I Win
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I Win
Joined: Jan 2003
Posts: 75,274
A gulag near you.
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Quote:
i talked to Drovak about this several years ago and my impression was that his kit bushed the rocker and down sized the shaft.
That is what it does
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Re: Putting bushings in ductile iron rockers?
[Re: WO23Coronet]
#1479958
08/05/13 07:16 PM
08/05/13 07:16 PM
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Joined: Oct 2005
Posts: 9,031 Ontario, Canada
Stanton
Don't question me!
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Don't question me!
Joined: Oct 2005
Posts: 9,031
Ontario, Canada
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Quote:
If you're going to bore the rockers out, what would you use as a reference to keep everything square?
"bore" is probably the wrong term to use. You would either ream them or hone them out. Either way, it would be self-centering on the current bore. If you want to get into optimizing the ratio ... well, good luck with that.
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Re: Putting bushings in ductile iron rockers?
[Re: JohnRR]
#1479959
08/05/13 10:37 PM
08/05/13 10:37 PM
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Joined: Oct 2006
Posts: 200 South Coast of Oregon
dweller
enthusiast
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enthusiast
Joined: Oct 2006
Posts: 200
South Coast of Oregon
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Quote:
I think it's that Dvorak sells the kit that downsizes the ID, RAS bores out the rockers and installs a bushing that fits the stock shaft. RAS will also correct any geometry issues.
My RAS bushed rockers run undersized shafts...
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Re: Putting bushings in ductile iron rockers?
[Re: dweller]
#1479960
08/06/13 12:52 AM
08/06/13 12:52 AM
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Joined: Jan 2003
Posts: 75,274 A gulag near you.
JohnRR
I Win
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I Win
Joined: Jan 2003
Posts: 75,274
A gulag near you.
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Quote:
Quote:
I think it's that Dvorak sells the kit that downsizes the ID, RAS bores out the rockers and installs a bushing that fits the stock shaft. RAS will also correct any geometry issues.
My RAS bushed rockers run undersized shafts...
When were yours done ? The set I have that I bought off a member back in June of 2011 have stock size shafts, they are cranes, I just looked at them.
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Re: Putting bushings in ductile iron rockers?
[Re: Stanton]
#1479961
08/06/13 11:06 AM
08/06/13 11:06 AM
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Joined: Jan 2008
Posts: 4,269 Canada
WO23Coronet
master
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master
Joined: Jan 2008
Posts: 4,269
Canada
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Quote:
Quote:
If you're going to bore the rockers out, what would you use as a reference to keep everything square?
"bore" is probably the wrong term to use. You would either ream them or hone them out. Either way, it would be self-centering on the current bore. If you want to get into optimizing the ratio ... well, good luck with that.
When I said bore I meant "material removal". Boring .030" using a boring head on a mill is easy. You could also use a reamer, but if your hole is off or crooked compared to the rest of the rocker a reamer won't fix that, it'll follow the existing hole, whereas a single point tool in a boring head won't, it will cut true. Good luck honing .060" out, hope you have alot of time to waste on your hands.
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Re: Putting bushings in ductile iron rockers?
[Re: Dodgem]
#1479964
08/08/13 10:48 AM
08/08/13 10:48 AM
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Joined: Oct 2005
Posts: 9,031 Ontario, Canada
Stanton
Don't question me!
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Don't question me!
Joined: Oct 2005
Posts: 9,031
Ontario, Canada
|
Quote:
Quote:
Quote:
If you're going to bore the rockers out, what would you use as a reference to keep everything square?
"bore" is probably the wrong term to use. You would either ream them or hone them out. Either way, it would be self-centering on the current bore. If you want to get into optimizing the ratio ... well, good luck with that.
When I said bore I meant "material removal". Boring .030" using a boring head on a mill is easy. You could also use a reamer, but if your hole is off or crooked compared to the rest of the rocker a reamer won't fix that, it'll follow the existing hole, whereas a single point tool in a boring head won't, it will cut true. Good luck honing .060" out, hope you have alot of time to waste on your hands.
I think building a jig and trying to correct geometry would be a much greater waste of time. In the end you'll just be older with a little more self-satisfaction but no performance gain. And you'd be surprised how fast a hone will cut those cast rockers !!!
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Re: Putting bushings in ductile iron rockers?
[Re: BSB67]
#1479967
08/09/13 07:31 AM
08/09/13 07:31 AM
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Joined: Jan 2003
Posts: 926 MICHIGAN
BB65Barracuda
super stock
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super stock
Joined: Jan 2003
Posts: 926
MICHIGAN
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Talk with Cab Burge, I know he does this. Im sending him a few of my old rockers so he can bush them for something he is presently working on.
1957 Power wagon wm300 original 10.000 mile truck, 1964 dodge Polara Convertible numbers matching
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