next step on GSX
Senior Member
Joined: May 2005
Posts: 12,084
RE: next step on GSX
ORIGINAL: Sebba
They are right. Change your intake mani just so you can get that extra bit air flow. You will also need fuel mods like injectors and fuel pump. What pressure plate do you have?
Now there is alot of theorys about the crank walk stuff. From everything i have read and entering common sence and logic i have come up with the following: The 6 bolt is a very good strong engine with a good crank. The reason why the crank is better is because it went through a chemical hardening process. The 7 bolt is a better design and of better build quality. However good old mitsu didnt do the same chemical process for the crank. Do not bolt on a 6 bolt bottom end onto your engine. Your engine was built for the 7 bolt crank keep it that way! Good performance shops will offer a 7 bolt chemically hardened crank to eliminate the crank walk problem. This is what i recomend. Not to mention aftermarket pressure plates will speed up crank walk and sitting on the clutch at red lights will speed it up too.
Correct me if im wrong....
They are right. Change your intake mani just so you can get that extra bit air flow. You will also need fuel mods like injectors and fuel pump. What pressure plate do you have?
Now there is alot of theorys about the crank walk stuff. From everything i have read and entering common sence and logic i have come up with the following: The 6 bolt is a very good strong engine with a good crank. The reason why the crank is better is because it went through a chemical hardening process. The 7 bolt is a better design and of better build quality. However good old mitsu didnt do the same chemical process for the crank. Do not bolt on a 6 bolt bottom end onto your engine. Your engine was built for the 7 bolt crank keep it that way! Good performance shops will offer a 7 bolt chemically hardened crank to eliminate the crank walk problem. This is what i recomend. Not to mention aftermarket pressure plates will speed up crank walk and sitting on the clutch at red lights will speed it up too.
Correct me if im wrong....
Senior Member
Joined: May 2005
Posts: 12,084
RE: next step on GSX
ORIGINAL: Sebba
Agreed, the oil squirters do get cloged easy and that was a good theory. However, can you explain to me why when you have a nitrided crank that you dont get crank walk anymore?
Agreed, the oil squirters do get cloged easy and that was a good theory. However, can you explain to me why when you have a nitrided crank that you dont get crank walk anymore?
Banned
Joined: Feb 2006
Posts: 16,176
From: Austin, TX
RE: next step on GSX
To some extent you are right. The oil pressure is low at idle causing metal on metal contact with the crank. However this is not the cause of crank walk. If the crank was not soft as swiss cheese it wouldnt happen to begin with. I know for a fact that all the 7 bolt cranks that have been nitrided have never gotten crank walk. Crank walk is caused by the crank because its soft. Once it has been nitrided its alot harder. You did not answer my question. Can you explain why none of the nitrided cranks have gotten crank walk?
Senior Member
Joined: May 2005
Posts: 12,084
RE: next step on GSX
ORIGINAL: Sebba
To some extent you are right. The oil pressure is low at idle causing metal on metal contact with the crank. However this is not the cause of crank walk. If the crank was not soft as swiss cheese it wouldnt happen to begin with. I know for a fact that all the 7 bolt cranks that have been nitrided have never gotten crank walk. Crank walk is caused by the crank because its soft. Once it has been nitrided its alot harder. You did not answer my question. Can you explain why none of the nitrided cranks have gotten crank walk?
To some extent you are right. The oil pressure is low at idle causing metal on metal contact with the crank. However this is not the cause of crank walk. If the crank was not soft as swiss cheese it wouldnt happen to begin with. I know for a fact that all the 7 bolt cranks that have been nitrided have never gotten crank walk. Crank walk is caused by the crank because its soft. Once it has been nitrided its alot harder. You did not answer my question. Can you explain why none of the nitrided cranks have gotten crank walk?
I think some crankwalk victems need to clear up because I am not sure but it just seems a little far fetched other than the crank and oil jounals
Banned
Joined: Feb 2006
Posts: 16,176
From: Austin, TX
RE: next step on GSX
I know its the pressure from the clutch that does it. Because of the crank being soft! Nitrided the crank and you eliminate the problem.
Built up 7bolts will walk if they have the stock crank. The reason why so many people dont do it is because they are advised just to go with the 6bolt.
I have not heard of a nitrided crank gettin crank walk yet.
Built up 7bolts will walk if they have the stock crank. The reason why so many people dont do it is because they are advised just to go with the 6bolt.
I have not heard of a nitrided crank gettin crank walk yet.
Senior Member
Joined: May 2005
Posts: 12,084
RE: next step on GSX
ORIGINAL: Sebba
I know its the pressure from the clutch that does it. Because of the crank being soft! Nitrided the crank and you eliminate the problem.
Built up 7bolts will walk if they have the stock crank. The reason why so many people dont do it is because they are advised just to go with the 6bolt.
I have not heard of a nitrided crank gettin crank walk yet.
I know its the pressure from the clutch that does it. Because of the crank being soft! Nitrided the crank and you eliminate the problem.
Built up 7bolts will walk if they have the stock crank. The reason why so many people dont do it is because they are advised just to go with the 6bolt.
I have not heard of a nitrided crank gettin crank walk yet.
so lets make a good write up for a sticky, if you want to that is I would like a crank walk specific thread up op pinned
Banned
Joined: Feb 2006
Posts: 16,176
From: Austin, TX
RE: next step on GSX
You use a nitrided stock crank! lol You either get it nitrided or you buy one from a good shop that sells them. The best information i have ever come across was on the tampa bay DSM website.
Thread Starter
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Senior Member
Joined: Jul 2005
Posts: 5,650
From: Summerville, SC
RE: next step on GSX
aight Sebba, if you think that an upgraded crank or "nitrated" crank would completely eliminate crank walk where can i get a suitable crank or what kind of place would "nitrate" my crank for me?
