rgp6373 Posted February 7, 2007 Report Share Posted February 7, 2007 i was having a problem with a vibration and engine miss so started at the cheap end spark plugs . that didnt do it so i had my stock cats cut out (something i should have done a long time ago) that helped but still didnt do it and discovered a header leak . so tonight we took of the valve covers and bam there it was a broken outer valve spring . good thing my afr heads have dual spring or that coulda been expensive . also changed my tensioner from that wimpy dayco to napa part #38131 its a ford tensioner but if you swap the pully it bolts right in place and it seems way beefier hope it lasts . my engine builder says he almost never sees those afr springs break so he is replaceing it for free Quote Link to comment Share on other sites More sharing options...
wait4me Posted February 7, 2007 Report Share Posted February 7, 2007 WOW good find! It would have been messy if you would have been using a comp 918! No funny noises? Just a miss... Yeaouch. Quote Link to comment Share on other sites More sharing options...
drako Posted February 7, 2007 Report Share Posted February 7, 2007 phew that was a close one , how long was the noise around? Quote Link to comment Share on other sites More sharing options...
PladdPezzPunk Posted February 7, 2007 Report Share Posted February 7, 2007 thats wild, glad to see it got fixed though. Quote Link to comment Share on other sites More sharing options...
rgp6373 Posted February 7, 2007 Author Report Share Posted February 7, 2007 i had to drive it for about 300 miles to get it home , had to get home for work , but i knew something wasnt right so i took it real easy . this is the first time i have had the valve covers off those afr heads dam those are some pretty rockers Quote Link to comment Share on other sites More sharing options...
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