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Originally Posted by ZEK  Those appear to be green tops, which from part number are 18lbs. If you need larger there are pink tops which fit and are 21.5lbs. The next step up for 6cyk are 24lbs blue but that isn't what you're after. Stock m42 injectors are brown/orange and I believe are 19lbs. I think there is a difference between early m42 and later m42/44 injectors. You may need to run an adapter if you want the 6cyl injectors: https://store.vacmotorsports.com/vac...ors-p2454.aspx |
when i was looking up the bosch part number i was finding closer to 15lb for those injectors or as high as 17 from other sources. Either way, that might be the issue (i hope). i have some Ford 19# 4 pintles enroute. IF the noise persists the next guess is some type of valve train issue.