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Re: looking for info on connecting rods, H beams.
[Re: 440Jim]
#3077995
09/16/22 11:50 PM
09/16/22 11:50 PM
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Joined: Sep 2014
Posts: 4,457
Washington
madscientist
master
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master
Joined: Sep 2014
Posts: 4,457
Washington
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Going off memory from previous import rod discussions...
No, they don't ALL come from the same factory; there are some very distinct differences between some brands in how they're machined when you compare them up close,
Brad is right, they are different in both dimensions and machining precision. Look at the differences in the web thickness, 0.080" to 0.098"; and the beam widths are different too. NOTE: These dimensions may vary from the same brand with different length rods. This^^^^is because each company can pick what profile they want for the rods. Last time I checked (probably 4 years ago) there were TWO and only TWO factories making connecting rods. That was IT. So all that [censored] comes out of one of two factories. And, I couldn’t care less what name is on the box, every rod needs to be checked for bore sizes and such. All rods should come .0005 under minimum on the both bores so the machinist building the engine can finish them to size. No way do I want the rods to come any other way.
Just because you think it won't make it true. Horsepower is KING. To dispute this is stupid. C. Alston
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Re: looking for info on connecting rods, H beams.
[Re: madscientist]
#3078649
09/19/22 09:21 AM
09/19/22 09:21 AM
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Joined: Jan 2003
Posts: 13,354
Marion, South Carolina [><]
an8sec70cuda
I Live Here
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I Live Here
Joined: Jan 2003
Posts: 13,354
Marion, South Carolina [><]
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 No matter what name is on them, have them checked. I have a set of Manley H beams that needed resizing before they could be used.  Just my opinion, I'd have those rods checked out by your machinist and reuse them. The KB pistons are fine as long as you gap the rings correctly.
CHIP
'70 hemicuda, 575" Hemi, 727, Dana 60
'69 road runner, 440-6, 18 spline 4 speed, Dana 60
'71 Demon, 340, low gear 904, 8.75
'73 Chrysler New Yorker, 440, 727, 8.75
'90 Chevy 454SS Silverado, 476" BBC, TH400, 14 bolt
'06 GMC 2500HD LBZ Duramax
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Re: looking for info on connecting rods, H beams.
[Re: 440lebaron]
#3078827
09/19/22 06:19 PM
09/19/22 06:19 PM
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Joined: Aug 2009
Posts: 2,039
Mooresburg, Tn
'72CudaRacer
top fuel
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top fuel
Joined: Aug 2009
Posts: 2,039
Mooresburg, Tn
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cannot tell if that's a ARP bolt, if they are there not 440 source, I have a set of new (latest designed)383-400 rods from 440 source at shop if you need a photo, if anybody wants them $150 free shipping
I just purchased a set of 440 Source rods from a member on here that came with ARP 2000 bolts installed from 440 source. They are a few years old though. They also have "440 Source" etched on the flat side of the beam. Brian
Last edited by '72CudaRacer; 09/19/22 06:21 PM. Reason: add
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