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CNC-Dude
 Post subject:
PostPosted: Tue Apr 04, 2017 6:51 am 
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Turbo EFI

Joined: Sat Feb 20, 2010 10:23 am
Posts: 1322
Location: N. Ga.
Car Model: 64 Valiant
No offense taken Mark, that is a great solution for DIY'ers that have the ability to do that. I wasn't meaning hacking in a bad way either or meaning it provided a lesser quality result.

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There's no such thing as too much cam....only not enough engine!
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MOUSETRAP
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PostPosted: Tue Apr 04, 2017 4:38 pm 
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TBI Slant 6

Joined: Tue Nov 06, 2012 4:30 am
Posts: 125
Location: LEBANON, MAINE
Car Model:
I like this idea
Please add timing tab provision for Romac balancer ??

Valve cover clears roller rockers , head studs and has oil fill and pcv w/baffles

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CNC-Dude
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PostPosted: Mon Apr 10, 2017 6:36 pm 
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Turbo EFI

Joined: Sat Feb 20, 2010 10:23 am
Posts: 1322
Location: N. Ga.
Car Model: 64 Valiant
Got the prototype block plate CNC'd and test fit. It has good clearance around the timing gears and water pump. I have the cover plate programmed and ready to machine next. One they are both test fit, i'll make a billet one to stick on a running engine and field tested. Then i'll make the patterns and begin casting them.
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Valleyant
 Post subject: another idea
PostPosted: Mon Apr 10, 2017 7:22 pm 
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Turbo Slant 6

Joined: Fri Jul 13, 2007 11:11 pm
Posts: 654
Location: Cincinnati
Car Model:
I like this and I have an idea that you might want to incorporate. For the turbo crowd ...maybe an oil return port so you don't have to tap into the oil pan etc.....the return could help lube the chain....just a thought.....thanks for your efforts!


Last edited by Valleyant on Mon Apr 10, 2017 7:34 pm, edited 1 time in total.

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emsvitil
 Post subject:
PostPosted: Mon Apr 10, 2017 7:33 pm 
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Supercharged

Joined: Thu May 12, 2005 11:50 pm
Posts: 6291
Location: So California
Car Model: 64 Plymouth Valiant
Are you using ironwood?

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64 Valiant 225 / 904 / 42:1 manual steering / 9" drum brakes

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Killer6
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PostPosted: Mon Apr 10, 2017 8:07 pm 
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EFI Slant 6

Joined: Sat Mar 19, 2016 7:25 pm
Posts: 360
Location: SW PA
Car Model:
CNC-Dude wrote:
It will require removing the balancer, but leaving the oil pan hump undisturbed and gasket seal against the block. There are too many timing sets that have a multi-keyed crank gear to isolate them from the equation by making it where the balancer remains in place. Perhaps a third upper cover could be an option for those that use offset cam bushings to degree their cams, allowing them to remove only that cover that obscures the cam but does leave the balancer in place.

One final thought, on the 2 pc. design, the balancer can remain in place and the outer cover simply rotated to the right or left to expose the cam gear for those using offset bushings, leaving the balancer in place.


Well, the rotating cover concept would require tight fit shouldered bolts to
ensure the front seal would remain on center w/the crank, but OK. I'd
favor the 3rd cover concept, & more importantly(since I'm sure it is
possible), an adjustable hub/cam sprocket assy. to go with it. I'm so
freakin' tired of seeing tuner turds with adjustable sprockets & yet We
still send smoke signals, beat Our clothes off of rocks, and get out the
pullers,gaskets,silicone,heat,& an installer to shift the cam timing 4deg.
After We installed/checked it straight-up & it wasn't correct,then
decide We're not happy with it there,..............so We do it all over.
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CNC-Dude
 Post subject:
PostPosted: Tue Apr 11, 2017 12:38 pm 
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Turbo EFI

Joined: Sat Feb 20, 2010 10:23 am
Posts: 1322
Location: N. Ga.
Car Model: 64 Valiant
Not really, the balancer will make the outer cover self-centering, like it does on most timing covers anyway. More pieces just add more costs in machine work and time. But i'm not opposed to it.

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Rick Covalt
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PostPosted: Tue Apr 11, 2017 12:56 pm 
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Board Sponsor & SL6 Racer

Joined: Wed Oct 23, 2002 7:57 pm
Posts: 8322
Location: Waynesboro, Pa.
Car Model: 65 Valiant 2Dr Post
Quote:
an adjustable hub/cam sprocket assy
I believe their may be an Aussie one already? From Cameron Tilley

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jcc
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PostPosted: Tue Apr 11, 2017 2:02 pm 
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EFI Slant 6

Joined: Thu Jun 04, 2015 6:19 pm
Posts: 317
Location: Florida
Car Model:
Since the idea of a cam pickup boss addition did not get poo poo'd, I would think some consensus should be sought as to a favorable location, in regards to radius and clocking, for use by most of the efi systems in play, to have the best bang for buck for this nice/desirable project. I'm not knowledgeable enough to suggest that at this point. I will say my application is a MS3 Pro with a MSD magnet glued to a machined recess in cam sprocket, FWIW.
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CNC-Dude
 Post subject:
PostPosted: Tue Apr 11, 2017 3:11 pm 
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Turbo EFI

Joined: Sat Feb 20, 2010 10:23 am
Posts: 1322
Location: N. Ga.
Car Model: 64 Valiant
I think the boss would need to be in a fixed location that doesn't come off with the outer cover. Just let me know what the consensus is for location of the boss and i'll see how feasible it is to add it there.

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jcc
 Post subject:
PostPosted: Tue Apr 11, 2017 6:27 pm 
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EFI Slant 6

Joined: Thu Jun 04, 2015 6:19 pm
Posts: 317
Location: Florida
Car Model:
From an efi cam timing aspect, its usually as i understand it, not real critical where its exactly located radially, as its main purpose is to reference cyl #1? since it operates at half crank speed, and the software allows(?) for a decent amount of correction. Having it a fixed boss would likely completely override any prospect of having adjustable in car cam timing by incorporating a removal access plate(?), which I think is a very worthy feature. Compromises will be made I am sure.
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CNC-Dude
 Post subject:
PostPosted: Wed Apr 12, 2017 3:21 pm 
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Turbo EFI

Joined: Sat Feb 20, 2010 10:23 am
Posts: 1322
Location: N. Ga.
Car Model: 64 Valiant
emsvitil wrote:
Are you using ironwood?


No, its just a 12" wide piece of pine shelf plank.

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Killer6
 Post subject:
PostPosted: Mon Apr 17, 2017 5:59 pm 
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EFI Slant 6

Joined: Sat Mar 19, 2016 7:25 pm
Posts: 360
Location: SW PA
Car Model:
Rick Covalt wrote:
Quote:
an adjustable hub/cam sprocket assy
I believe their may be an Aussie one already? From Cameron Tilley


Where would You find that besides Aussieland? PP&R has something akin
to the idea, but you have to swap out bushings & it's a gear-drive, fine if
You like the whine. I guess I'll do some more research on that..............
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coconuteater64
 Post subject:
PostPosted: Mon Apr 17, 2017 6:03 pm 
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Turbo EFI
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Joined: Mon May 12, 2008 1:11 am
Posts: 1473
Location: North Georgia
Car Model:
Any updates on this?

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CNC-Dude
 Post subject:
PostPosted: Mon Apr 17, 2017 6:35 pm 
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Turbo EFI

Joined: Sat Feb 20, 2010 10:23 am
Posts: 1322
Location: N. Ga.
Car Model: 64 Valiant
Not any more yet, I got my huge milling machine finally moved to and into my shop this past Friday from the previous owners shop. Been busy getting it into its spot in my shop and re-organizing prepping for my shop expansion project. I'm adding approx another 1000 sq ft.

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