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Both sides previous revision Previous revision Next revision | Previous revision Next revision Both sides next revision | ||
techtalk:evo:engmech04 [2019/10/15 04:46] hippysmack [Sub Documents] |
techtalk:evo:engmech04 [2019/11/05 02:23] hippysmack [Sub Documents] |
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Pushrod lean angle on 91-up engines. | Pushrod lean angle on 91-up engines. | ||
- | The lifters are square to the lifter bore but they're not quite square to the rocker arms. \\ | + | The lifters are square to the lifter bore but they're not quite square to the rocker arm slot for the pushrod. \\ |
There is a slight lean angle between the lifters and the rocker arms as shown below. \\ | There is a slight lean angle between the lifters and the rocker arms as shown below. \\ | ||
The pushrod tubes line up square with the lifter blocks and hide the lean angle of the pushrods. \\ | The pushrod tubes line up square with the lifter blocks and hide the lean angle of the pushrods. \\ | ||
In the pics below, a inside bore gauge is lined up app. straight from the lifter bore to the rocker arm slot for the pushrod. \\ | In the pics below, a inside bore gauge is lined up app. straight from the lifter bore to the rocker arm slot for the pushrod. \\ | ||
This is the app. lean angle of the pushrods between the lifter and the rocker arm. \\ | This is the app. lean angle of the pushrods between the lifter and the rocker arm. \\ | ||
+ | The pushrod angle also changes as the rocker arm moves thru it's arc while the valve is opened and closed. ((Tomcatt of the XLFORUM http://xlforum.net/forums/showthread.php?t=2074861&page=3)) \\ | ||
{{:techtalk:evo:engmech:pushrod_lean_angle_1_by_hippysmack.jpg?direct&300|}} ((photo by Hippysmack)) {{:techtalk:evo:engmech:pushrod_lean_angle_2_by_hippysmack.jpg?direct&300|}} ((photo by Hippysmack)) \\ | {{:techtalk:evo:engmech:pushrod_lean_angle_1_by_hippysmack.jpg?direct&300|}} ((photo by Hippysmack)) {{:techtalk:evo:engmech:pushrod_lean_angle_2_by_hippysmack.jpg?direct&300|}} ((photo by Hippysmack)) \\ | ||
+ | |||
+ | ===== Rocker Box Gaskets ===== | ||
+ | \\ | ||
+ | ==== Top cover gaskets ==== | ||
+ | |||
+ | |04-06|17353-89B|rocker cover gasket (includes cutouts for the breather to fit into). \\ No breather seal required.| | ||
+ | |07-16|17362-07|rocker cover gasket (does not include cutouts for the breather to fit into). \\ 17393-07 breather seal (required with rocker cover gasket 17362-07)| | ||
\\ | \\ |