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#2414590 - 12/07/17 06:48 AM Re: VVT cam journal size . [Re: aus370]
aus370 Offline
member

Registered: 10/17/17
Posts: 14
Loc: Australia
Big thanks ric3xrt , steff for clearing this up .
I carefully read through a few times - Convinced me , there's possable work arounds , but just not worth it .

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#2414591 - 12/07/17 06:53 AM Re: VVT cam journal size . [Re: STEFF]
aus370 Offline
member

Registered: 10/17/17
Posts: 14
Loc: Australia
Originally Posted By STEFF
It's totally different between VVT and non-VVT, like shown above. The best way to handle it is to pony up and spend the money on a custom cam core....$1000 ball park. I made an adapter like shown above from Nutter Racing and it's hanging on my wall. Do not like it at all, just hanging off the front. I looked at making an adapter that would include the whole journal instead of just the front only but the wall thickness of the adapter would be too thin in that it would probably crack when being heat treated or being pressed on to the cam.

Again, the best way to remedy this if you are going to use a VVT block and not use the VVT features, is to have a custom core made. That's what I did.

Unfortunately, the current cores available for the VVT blocks are only capable of handling cam specs that are compatible for use with the VVT and computer features.
Who does these custom vvt cam cores.

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#2414592 - 12/07/17 06:57 AM Re: VVT cam journal size . [Re: aus370]
fbs63 Offline
super stock

Registered: 11/17/03
Posts: 1177
Loc: NW Indiana
LSM

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#2414728 - 12/07/17 12:21 PM Re: VVT cam journal size . [Re: aus370]
cudadoug Offline
master

Registered: 08/22/03
Posts: 3019
Loc: Between a rock & a hard place
So, is there any way to use a VVT cam in VVT block, but lock out the function? Just curious...

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#2414732 - 12/07/17 12:23 PM Re: VVT cam journal size . [Re: cudadoug]
STEFF Offline
master

Registered: 01/19/03
Posts: 3710
Loc: Smyrna, South Carolina
Originally Posted By cudadoug
So, is there any way to use a VVT cam in VVT block, but lock out the function? Just curious...


Yes, Comp has a VVT Lock kit.

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#2414749 - 12/07/17 12:55 PM Re: VVT cam journal size . [Re: aus370]
WO23Coronet Offline
master

Registered: 01/08/08
Posts: 3913
Loc: Canada
Would it be possible (or has anyone tried) to manually control the solenoid so you can set your ICL on the fly? Advance it for bottom end and retard it for top end? (Or whatever works best for your combo)


Edited by WO23Coronet (12/07/17 12:55 PM)

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#2414844 - 12/07/17 03:47 PM Re: VVT cam journal size . [Re: aus370]
Bad340fish Offline
master

Registered: 01/20/03
Posts: 5414
Loc: Tulsa OK
With a large cam piston to valve clearance might be a problem. I believe the Megasquirt 3 goldbox platform supports VVT for the G3. I know megasquirt is capable of VVT control on lots of other cars.
_________________________
68 Barracuda Formula S 340

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