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k20a2 Supertech DVS+retainers install question.

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Old 01-31-2017, 05:41 PM   #1
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Default k20a2 Supertech DVS+retainers install question.

I bought some sprigs and retainers for my k20a2, the place that sold me them seemed insistent that I do the seats too? I thought I could leave the seats as it's an a2 and already has a DVS seat, unlike the a3/tsx. Also am I able to use my stock keepers? I don't know what year a2 it is, as I bought it off "some guy". The pack of retainers said 04 or earlier keepers with a 7* angle are to be used, i'm assuming all k20a2 keeps are 7*?.
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Old 02-01-2017, 06:14 AM   #2
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Default Re: k20a2 Supertech DVS+retainers install question.

Only 2002-2004 k20a2 keepers are 7 degree. You MUST use the 02-04 style keepers. Not too sure on the seats, I have a TSX setup so I swapped over to all supertech stuff
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Old 02-01-2017, 06:48 AM   #3
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Default Re: k20a2 Supertech DVS+retainers install question.

Only very early production k20a2s had dual springs and thus dual spring seats. If you're not sure, get the seats.
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Old 02-01-2017, 09:25 AM   #4
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Default Re: k20a2 Supertech DVS+retainers install question.

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Only 2002-2004 k20a2 keepers are 7 degree. You MUST use the 02-04 style keepers. Not too sure on the seats, I have a TSX setup so I swapped over to all supertech stuff
Thanks for the confirmation. I'll be ok then seeing as the 05 was the start for the z1, and mine is an a2.

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Only very early production k20a2s had dual springs and thus dual spring seats. If you're not sure, get the seats.
is there any way to confirm, if they're not the seat would look like the a3/tsx seat right, or more simply once I pull them all out and(if) they're not all DVS would that be proper confirmation,
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Old 02-01-2017, 11:41 PM   #5
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Default Re: k20a2 Supertech DVS+retainers install question.

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is there any way to confirm
Pull valve cover and see if you have dual valve springs or not.
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Old 02-02-2017, 03:56 AM   #6
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Default Re: k20a2 Supertech DVS+retainers install question.

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Pull valve cover and see if you have dual valve springs or not.
Thanks man.



I'm assuming I can't change the spring set myself if it needs to be done.
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Old 02-02-2017, 02:13 PM   #7
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Default Re: k20a2 Supertech DVS+retainers install question.

HPT has a nice valve spring tool that you can use to do it yourself. It's pretty easy to use and quick
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Old 02-02-2017, 03:26 PM   #8
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Default Re: k20a2 Supertech DVS+retainers install question.

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HPT has a nice valve spring tool that you can use to do it yourself. It's pretty easy to use and quick

Sorry, meant the spring SEAT it's self, I have a good tool for doing the springs/retainers.
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Old 02-02-2017, 09:59 PM   #9
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Default Re: k20a2 Supertech DVS+retainers install question.

valve seat or spring seat
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Old 02-03-2017, 02:21 AM   #10
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Default Re: k20a2 Supertech DVS+retainers install question.

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valve seat or spring seat

Spring SEAT, valve seat is another story. I made a typo replaying to childstar and forgot the a.
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Old 02-03-2017, 03:58 AM   #11
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Default Re: k20a2 Supertech DVS+retainers install question.

spring seat comes out with your fingers
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Old 02-03-2017, 01:48 PM   #12
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Default Re: k20a2 Supertech DVS+retainers install question.

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spring seat comes out with your fingers
Ok thanks, I got the same answer from a machine shop I contacted. There's not much by way of threads in this regard, hopefully this one stay up in the google search results/
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