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Sw5 Cam 998 Block


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#1 Markdaily

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Posted 10 September 2019 - 08:49 PM

Hi there a.c. dodd.ive heard great things about you and your the man! Now I'm rebuilding my a+ 998 after the oil rings failed me it's currently in at the machine garage having it's rebore +20. I've purchased a sw5 cam. I've heard it has to be timed In. I only know of dot to dot method. I'm using a duplex timing chain. Also I have no info on the cam about lobes measurements. Can you help me out please. I'm picking the block up on Monday and have 5 days off work to build it up n bk in running. What degree woodruff key do I need. Thank you for any help is much appreciated

#2 Ethel

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Posted 11 September 2019 - 09:35 AM

Easiest to have a variety of keys or adjustable an  cam sprocket. I'm sure cam timing will be covered in a forum topic or you can find a Youtube video.

 

The process:

 

Set it up "dot to dot" - Find TDC accurately - Turn the crank to the setting point stated for the cam - Find the crank angle where maximum lift actually occurs - fit a key or adjust by the difference in the two crank angles. Most also allow a bit for chain stretch/ bedding in if it's new.

 

It's easier on a bench with the head off, but can be done with the engine built up and fitted if you're "time challenged".



#3 DeadSquare

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Posted 11 September 2019 - 09:54 AM

It beats me why people sell cams with bastard keyways, especially when it is machined from a billet.

 

The people to ask about this are Swiftune.



#4 Markdaily

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Posted 11 September 2019 - 09:55 AM

Engine is on bench.i have no info on cam so I no idea where to set it at.im not using adjustable sprocket.

#5 DeadSquare

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Posted 11 September 2019 - 10:56 AM

Build the engine, leaving this to last in case someone comes up with an answer, and be prepared to fit a standard key and line it up using the dots.

 

It is not too difficult ( if you are still young enough to bend )  to take out the rad, remove the timing cover and get at the sprockets with the engine in situ.;  by which time, when you know the answer, the chain will have stretched and you may have purchased an adjustable sprocket.



#6 Markdaily

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Posted 11 September 2019 - 11:18 AM

I won't be driping block in till I know. Someone must know the degree for this sw5 cam it's a common cam.

#7 Ethel

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Posted 12 September 2019 - 09:02 AM

http://www.theminifo...m-timing-specs/

#8 ACDodd

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Posted 12 September 2019 - 12:37 PM

Answered via PM

Ac




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