2010年6月15日 · The 87 6.9 is the preferred motor for performance building, though late 85, 86 motors are just as good with the addition of 7.3 rockers.

2012年4月16日 · 1987 is generally considered the best year for the IDI series. Later 7.3 engines are more likely to have cavitation rot out the block due to the thinner cylinder walls (proper coolant maintenance eliminates the problem). 1987 6.9s should have the improved 7.3 style rocker arms, more reliable (but also more expensive) fuel filter, and solid state glow plug controller with improvements in the ...

2015年5月18日 · 11 votes, 12 comments. true. I have an 85 f250 with the 6.9 IDI It is a well designed motor for it's time, but lacks the power of the more more modern diesels, the Powerstroke included.

2011年8月23日 · The 7.3 is a bored out 6.9 with a few modifications over the years like better rockers. A 6.9 or 7.3 is easy to work on.

2012年5月27日 · Pre-Power Stroke Diesel (7.3L IDI & 6.9L) - Replacing Injectors 6.9 - On a 6.9 does the injection pump have to be removed to replace the injectors?

2018年9月24日 · Pre-Power Stroke Diesel (7.3L IDI & 6.9L) - 6.9 IDI transmission options? - Scored a 6.9 idi engine with bell housing in nice shape today for dirt cheap.

2017年3月11日 · Pre-Power Stroke Diesel (7.3L IDI & 6.9L) - Head bolts for the 6.9 - I have to remove the passengers side head on my crew cab because the lovely diesel Rx glow plug that was in the number 1 cylinder swelled up and broke off and is now stuck in the head, the other 7 which were a mix of autolite, motorcraft and diesel...

2013年4月25日 · 1987 - 1996 F150 & Larger F-Series Trucks - 6.9 IDI injector pump timing - My 6.9 IDI is having hard starts (Warm or cold) where you crank it forever before it'll start, once it's running it runs great but is smoking alot of white smoke, I replaced all the fuel injectors and return lines and it doesn't smoke as bad...

2004年1月23日 · Pre-Power Stroke Diesel (7.3L IDI & 6.9L) - 6.9 glow plug wiring diagram - I have a 85 ford f-250 I need the wiring diagram for the glowplugs and starting system. Someone rewired the glowplugs and with a switch but I want to wire it back to original.

2017年7月31日 · Pre-Power Stroke Diesel (7.3L IDI & 6.9L) - 84 6.9 diesel should I buy - Is this 6.9 diesel a good reliable engine?