 Cam timing Part 2, wierd "stock" T4 cam, JAKE??? Anyone??? too high of lift??? |
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| Mark Henry |
 Jul 30 2004, 08:19 PM
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that's what I do!  Group: Members Posts: 20,065 Joined: 27-December 02 From: Port Hope, Ontario Member No.: 26 Region Association: Canada  |
This is my last post on Dylan's original thread, he thought that he installed a NOS VW/Porsche cam in his new rebuild....
Dylan's getting .330 lift at the cam. I measured a new Web 73 and I get .320 lift On the stock (used) cams I have I get about .275 at the cam, even less for a hydro. It does have a rivet on gear and I’ve never heard of an aftermarket cam with a rivet on. I’m at a total loss on this puppy. I’d hate to have Dylan rip out an OK cam, but things smell real fishy. This cam has me going WTF! (IMG:style_emoticons/default/unsure.gif) Is it a hipo regrind on a stock cam? His new engine with stock FI will not idle below 1500rpm You can read the original thread here: http://www.914world.com/bbs2/index.php?act...=ST&f=2&t=14964 |
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| F4i |
Aug 1 2004, 10:04 AM
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914 DOG! Group: Benefactors Posts: 482 Joined: 22-December 03 From: AB Canada Member No.: 1,460  |
Lawrence The bunny is just what I need right now. (IMG:style_emoticons/default/laugh.gif) Thanks.
Mark You brought up a good piont on the springs. With that much lift it must be killer on them. I would be looking at possible valve float or just breakage. What springs are you running? You are correct in assuming I could hook up SDS in a short period of time. The resources are in place for that: I have a shop at my disposal, SDS is down the street, I know somebody who has made it work (you). Is it correct that it tunes as you drive with a built in mixture moniter? Megasquirt and spark could be an option as well. I am not an EE but can figure out most things electrical. I do not have easy access to a scope however. Any of you guys who have done it have any input? Build time? Hapiness with the system? I understand dyno tuning would be a must. I thought Jake had another lifter solution. Anybody know? Is this cam worth the effort? I don't know what this setup will yield. I may be throwing power away. Moving the power band up too high? I am not familiar enough with the dynamics of this motor to tell. Any insight here would be helpfull. Thanks for all the help guys. Special thanks to Mark for talking me down off the roof. (IMG:style_emoticons/default/laugh.gif) Sorry for the long post. |
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Posts in this topic
Mark Henry Cam timing Part 2, wierd "stock" T4 cam Jul 30 2004, 08:19 PM
F4i Measured more accuratly It's .320 at the end o... Jul 30 2004, 11:07 PM F4i 912 cam? Euro carb motor cam? A metric speedo came... Jul 31 2004, 11:07 AM F4i More specs on the mystery cam. This is measured to... Jul 31 2004, 09:44 PM Brad Roberts I know of at least 3 places that hard weld cams (w... Jul 31 2004, 09:48 PM Brett W Here are the specs based on the info you have give... Jul 31 2004, 09:51 PM F4i Its still in the engine. I can pull the oil pump a... Jul 31 2004, 09:52 PM seanery Cam and lifters about $300. Cheap enough insu... Jul 31 2004, 09:59 PM F4i Have the lifter issues been resolved? Plus if its ... Jul 31 2004, 10:08 PM F4i Going by what brett is saying (thanks for doing th... Jul 31 2004, 10:46 PM Mark Henry Anyway you look at it, there is no easy or cheap s... Aug 1 2004, 07:51 AM Lawrence Well... Aug 1 2004, 08:28 AM Mark Henry I'm just running HD single springs, my engine ... Aug 1 2004, 10:56 AM
F4i Sorry I didn't mean SDS tunes itself. I meant... Aug 1 2004, 11:12 AM |
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