webcams and me, but not the webcams paul was thinking about - Miata Turbo Forum - Boost cars, acquire cats.

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Old 12-02-2007, 12:37 PM   #1
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Thumbs up webcams and me, but not the webcams paul was thinking about

Picked up a set of webcams 505 for my 1.6

Specs here (second from top)
http://www.webcamshafts.com/pages/mazda-auto.html

OEM cam specs here
http://members.aol.com/solomiata/cams.html

What do you guys think? Hot or not?
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Old 12-02-2007, 12:42 PM   #2
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I thought you were trying to build a 1.8? Or is this for the hail mary run for the 1.6/Greddy?
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Old 12-02-2007, 12:53 PM   #3
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The cams came up for a good price, and I have to stay ahead of Jerry.
From what I read, I need more lift (which these provide).
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Old 12-02-2007, 01:18 PM   #4
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i was just looking at that same page the other day wondering what they could do for a 2001 head.
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Old 12-02-2007, 01:20 PM   #5
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i was very nervous about opening this thread.
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Old 12-02-2007, 02:03 PM   #6
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should work out nice, from what i know a turbo likes more lift and not too much duration, so should work out nice. I'm very happy to see someone trying cams on these motors. are you going to be doing anything else in the head?
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Old 12-02-2007, 02:16 PM   #7
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Just saw the ad, you only paid $100 plus shipping for them?
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Old 12-02-2007, 03:42 PM   #8
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Nice grab. If you need help with the install, you know who to call. I'd love to help tear into a head.
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Old 12-02-2007, 05:13 PM   #9
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Thanks Ben. I'll probably go ahead and pick up a WP, and all the related errata involved to do a full tb job, as long as the timing belt is coming off anyway.

CJ, yeah, figured I could always get my money back out of them.
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Old 12-02-2007, 08:19 PM   #10
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Should give you a little better top end for sure. Put them in tonight and get a dyno at jerry's tomorrow
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Old 12-02-2007, 08:29 PM   #11
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I don't have them in my hands yet.

I was considering installing the exhaust cam 1 tooth retarded from stock. Thoughts? I don't want to put money into 1.6 cam gears.
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Old 12-02-2007, 08:36 PM   #12
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I was under the impression that 1.6 and 1.8 cam gears were the same. I know fidanza only lists one part number, thats what I have. You can get them on ebay for a good price.
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Old 12-02-2007, 08:40 PM   #13
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I've heard you can get limited adjustability by tweaking/drilling the stock gears.
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Old 12-02-2007, 08:41 PM   #14
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I'll let you do it first :P
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Old 12-03-2007, 01:12 AM   #15
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Quote:
Originally Posted by Ben View Post
I don't have them in my hands yet.

I was considering installing the exhaust cam 1 tooth retarded from stock. Thoughts? I don't want to put money into 1.6 cam gears.
Would you rather advance the exhaust cam 1 tooth to reduce overlap?
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Old 12-03-2007, 01:18 AM   #16
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Yes, I was thinking backwards. I'd want to advance the exhaust cam 1 tooth.

I'm not finding good info on cam timing. I assume I could reduce overlap the same amount by retarding the intake cam by 1 tooth. Right? What would be the theoretical difference between those two plans?

I'm really going for more midrange torque over more upper end hp.
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Old 01-07-2008, 02:15 PM   #17
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yaaay, finally here

the engravings in the second pic are hard to see, but they say webcams 505+2

Lift on these puppies is .352
Duration @ .050 is 200/205
Stock cams are lift .309
Duration @ .050 is 192/204

So not a huge change, as these are designed to work with the stock valve train, but the extra 1.1mm lift should help spool.

<edit> aww dammit, the attachments failed because I'm out of space :(
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Old 01-07-2008, 02:20 PM   #18
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Old 01-07-2008, 02:35 PM   #19
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Mmmm Target.
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