Engine Balancing/Blueprinting - Holden General Discussion

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Fastlane » Holden Forums » Holden General Discussion » Engine Balancing/Blueprinting

Engine Balancing/Blueprinting

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Guest		#1 Posted : Wednesday, 8 September 2004 3:13:25 AM(UTC)
Rank: Guest Groups: Guests Joined: 2/09/2015(UTC) Posts: 43,977 Was thanked: 5 time(s) in 5 post(s)		Just wondering what is required regarding engine balancing/blueprinting ? Should these be done at the time of reconditioning an engine, or can it be done post reco? Also, what are the advantages of having a new engine balanced and blueprinted ? Cheers.

Guest		#2 Posted : Wednesday, 8 September 2004 4:22:55 AM(UTC)
Rank: Guest Groups: Guests Joined: 2/09/2015(UTC) Posts: 43,977 Was thanked: 5 time(s) in 5 post(s)		well balancing is usually done at time of reco as the engine needs to be in bits. You can do it afterwards but i dont really think its worth stripping the engine apart just to have it balanced. Blueprinting is reco'ing it and bringing it all back to it

Guest		#3 Posted : Wednesday, 8 September 2004 8:42:44 AM(UTC)
Rank: Guest Groups: Guests Joined: 2/09/2015(UTC) Posts: 43,977 Was thanked: 5 time(s) in 5 post(s)		Blueprinting is a bit more than just reconditioning. The average reco allows for certain clearances from specification, for instance the specification for a bearing journal might be 50mm, with a + or - .25mm, so each of the set of journals can be 49.75 to

Guest		#4 Posted : Wednesday, 8 September 2004 6:18:02 PM(UTC)
Rank: Guest Groups: Guests Joined: 2/09/2015(UTC) Posts: 43,977 Was thanked: 5 time(s) in 5 post(s)		The other side to this can explain why some engines lasted poorly from factory, and others last exceptionally. If your engine just happened to have most measurements very close to the exact spec, (as John mentions), chances are it will run very well and

Guest		#5 Posted : Saturday, 11 September 2004 6:21:47 PM(UTC)
Rank: Guest Groups: Guests Joined: 2/09/2015(UTC) Posts: 43,977 Was thanked: 5 time(s) in 5 post(s)		Johnperth is right. Many people wrongly use the term blueprinting or are misled by their enginebuilders and are just buying rebuilt engines. Blueprinting is extremely expensive and beyond the price of most people. Very few people would have

Guest		#6 Posted : Tuesday, 2 November 2004 10:46:07 PM(UTC)
Rank: Guest Groups: Guests Joined: 2/09/2015(UTC) Posts: 43,977 Was thanked: 5 time(s) in 5 post(s)

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