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will a this work?

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Old 01-30-2007, 07:18 PM
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i have molly pushrods... stock ls1 length...7.4 are those to long for an ms3? or slightly bigger cam? would i need a 7.3 or will those be sufficient?
Old 01-30-2007, 07:47 PM
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depends on the base circle of the cam, head gasket, and whether or not your heads are milled

If its a cam only car, 7.4 should be ok.
Old 01-30-2007, 07:53 PM
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Originally Posted by brad8266
depends on the base circle of the cam, head gasket, and whether or not your heads are milled

If its a cam only car, 7.4 should be ok.
yes..there stock heads.. stock gasket... ok kool..i was worried bout that..cuz i was told it mite not work.. just wanted to make sure... cam is going in soon FINNALY!


thanks!
Old 01-30-2007, 07:55 PM
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Originally Posted by stangkiller2005
yes..there stock heads.. stock gasket... ok kool..i was worried bout that..cuz i was told it mite not work.. just wanted to make sure... cam is going in soon FINNALY!


thanks!
yeah the base circle of the cam will be smaller than stock which requires a longer pushrod to obtain proper lifter preload. The best way to know for sure what size you need is to measure with a pushrod checking tool.
Old 01-30-2007, 07:57 PM
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Originally Posted by brad8266
yeah the base circle of the cam will be smaller than stock which requires a longer pushrod to obtain proper lifter preload. The best way to know for sure what size you need is to measure with a pushrod checking tool.
oo ok...alrite well i dont have one of those.. but im pretty sure my local shop does... i guess ill just have them check it out.. dam i hope i dont have to sell these to get the other ones...
Old 01-31-2007, 07:12 AM
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if anything you may need longer ones. alot of people have to run 7.425 or so on xer lobes to keep around .080 thousandths preload,but as said the best way is to check.
Old 01-31-2007, 07:44 AM
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Originally Posted by slow trap
if anything you may need longer ones. alot of people have to run 7.425 or so on xer lobes to keep around .080 thousandths preload,but as said the best way is to check.
really? wow.. alrite ill just have the shop check before.... i was talkin to a friend with the ms3 in his car... he said he was running stock length... so hopefully its the same for me... but ill double check... thanks guys!
Old 01-31-2007, 08:54 AM
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Originally Posted by stangkiller2005
really? wow.. alrite ill just have the shop check before.... i was talkin to a friend with the ms3 in his car... he said he was running stock length... so hopefully its the same for me... but ill double check... thanks guys!
Well he may be running stock length, but his lifter preload if off then and i bet he has a bunch of valvetrain noise.

BTW a pushrod checker is like $20, its a cheap tool that is good to have.
Old 01-31-2007, 11:35 AM
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Originally Posted by brad8266
Well he may be running stock length, but his lifter preload if off then and i bet he has a bunch of valvetrain noise.

BTW a pushrod checker is like $20, its a cheap tool that is good to have.
really...do they have it at advanced auto parts?

also his s/n is camscam02ss hes running almost 10s like that.. id have to ask him bout the valvetrain noise...




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