Pushrod length
03-28-2008, 02:13 AM
#2
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Join Date: Mar 2008
Posts: 1
Should be 7.200 inch with stock heads, and stock valves. Dont forget guideplates, when using it with NSA pro mags.
Last edited by STOCK_BOTTOM_END; 03-28-2008 at 02:19 AM.
03-28-2008, 02:35 AM
#3
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Join Date: Oct 1998
Location: Jackstandican
Posts: 3,144
Whenever you change rockers you should also check your PR length. There are plenty of threads about this subject on this board for you to search. Doesn't necessarily mean the length would change up, but it's much better to check it now instead of having to rip the heads off sooner than later for new valves and guides.
As stated stock is 7.200". Get yourslef an adjustable pushrod checker, digital calipers which you can buy from Summit and use a stock spring when using the adj. pushrod.
As stated stock is 7.200". Get yourslef an adjustable pushrod checker, digital calipers which you can buy from Summit and use a stock spring when using the adj. pushrod.
03-28-2008, 09:46 AM
#5
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Join Date: Aug 2007
Posts: 33
Thanks for the information and I already have the guide plates, and 7/16 rocker studs to replace the stock 3/8 rocker studs. Also my heads will be stock with stock valves for about another half a year till I save up for some heads. I just wasn't sure if the 7.200 inch would be the right length because I am planning on ordering some today!
Last edited by 95SlowwTA; 03-28-2008 at 01:13 PM.
03-28-2008, 12:20 PM
#6
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Location: O'Fallon, MO
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03-28-2008, 12:33 PM
#7
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Join Date: Oct 2002
Location: Orange Kounty, Kalifornia
Posts: 2,277
Another quick way to check length is to remove a rocker. I put a dab of Prussian Blue dye on the tip of the valve. Then I installed the rocker and preloaded the lifter. Then rotate the engine around for a full cycle, then remove the rocker. The mark between the rocker and the valve should be in the middle of the valve tip. If not, then you need to resize.
It won't tell you the size but it will tell you if you are off or not.
It won't tell you the size but it will tell you if you are off or not.
03-28-2008, 01:12 PM
#9
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Thread Starter
Join Date: Aug 2007
Posts: 33
Ha I didn't actually mean to put stock springs in that. I actually meant to put stock valves. I changed it! I'm running the crane cams spring set 10308-1 is the part number. Thats my fault on putting stock springs......
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