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Help With Hemi Pushrods #1670831 09/14/14 11:30 AM 09/14/14 11:30 AM
Joined: Jan 2003 Posts: 4,288 Danville, NH M Mopar_Mike OP master
Mopar_Mike OP master M Joined: Jan 2003 Posts: 4,288 Danville, NH	I have this set of 426 Hemi Pushrods. 1) When measuring length do you go tip to tip or delete the cup part? 2) They have CMPR-17 stamped on them, can anyone tell me who made them? 3) When measuring them non tip to tip (deleting the cup part) they are around 10.50 and 11.50 giving a few hundreds. Thanks. 8269717-PushRods.JPG (73 downloads) RS23L7 4-Speed

Re: Help With Hemi Pushrods [Re: Mopar_Mike] #1670832 09/14/14 02:46 PM 09/14/14 02:46 PM
Joined: Mar 2006 Posts: 2,675 Mt. Eden Ky. Hemi Allstate master
Hemi Allstate master Joined: Mar 2006 Posts: 2,675 Mt. Eden Ky.	Place a steel ball, the same diameter as the adjuster ball, in the cup end. measure the push-rod length with the ball in the cup. Then subtract the ball diameter from that measurement. 1996 Ram 1500 Sport 1968 road runner 1952 Sears Allstate licensed, pump gas, Hemi 5.98 @ 115.73 1.33 60 ft. The best is yet to come. Painless Performance / Street RODDER magazine Top 100 for 2019

Re: Help With Hemi Pushrods [Re: Hemi Allstate] #1670833 09/15/14 02:09 PM 09/15/14 02:09 PM
Joined: Mar 2006 Posts: 9,910 Eighty Four, PA B G Racing master
B G Racing master Joined: Mar 2006 Posts: 9,910 Eighty Four, PA	Place a 5/16" ball in the cup(.312),Subtract half of the ball(.115).This will give you the correct overall length.Do this since cups vary in demension from .200+- to .300 +-.You can measure your overall length then measure the overall length of the cup to get you shaft length.IE:if your mock up rod measures 9.305,with the ball subtract .155 gives you your pushrod overall length at 9.150.Measure you cup(at the seat and to the top of the cup)if it measures .250,subtract .250 from 9.150 and that gives the shaft cut to length of 8.900.Add 8.900 + .250= 9.150 your finished pushrod length. [IMG]http://i430.photobucket.com/albums/qq21/ajcasini/max_zpsdppwd9km.jpg[/IMG]

Re: Help With Hemi Pushrods [Re: B G Racing] #1670834 09/15/14 08:13 PM 09/15/14 08:13 PM
Joined: Jan 2003 Posts: 4,288 Danville, NH M Mopar_Mike OP master
Mopar_Mike OP master M Joined: Jan 2003 Posts: 4,288 Danville, NH	Quote: Place a 5/16" ball in the cup(.312),Subtract half of the ball(.115).This will give you the correct overall length.Do this since cups vary in demension from .200+- to .300 +-.You can measure your overall length then measure the overall length of the cup to get you shaft length.IE:if your mock up rod measures 9.305,with the ball subtract .155 gives you your pushrod overall length at 9.150.Measure you cup(at the seat and to the top of the cup)if it measures .250,subtract .250 from 9.150 and that gives the shaft cut to length of 8.900.Add 8.900 + .250= 9.150 your finished pushrod length. Thanks Guys RS23L7 4-Speed

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