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Author Topic: Gonna do it.  (Read 3102 times)

Steve

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Gonna do it.
« Reply #15 on: May 01, 2012, 07:03:09 AM »



They are supposed to have a multi-port setup too
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firedome

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« Reply #16 on: May 01, 2012, 07:05:10 AM »



My son is doing a MegaSquirt conversion on his MGB-GT race car, he's very impressed with it's

power potential and adaptability.



Question for any small block experts (not me that's for sure) - I'm
told that over the years post ~1980 that the castings became
lighter/thinner, heads changed, cams, intake etc... so are these
changes anything to care about? Were earlier 318/360s better or more
desirable?  Would Jason be better off with an older one with
upgrades to better carbs, or multi carbs, injection, cam, exhaust ie
the traditonal ways of geting more power, as opposed to a Magnum
transplant? In some ways it might be easier. Just wondering.


firedome2012-05-01 12:07:27
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Jason Goldsack

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« Reply #17 on: May 01, 2012, 07:10:55 AM »

I would have to make a drivers side motor mount since I have the goofy 65 only K-member.. Not hard to do.. just takes time..

BTW.. I'm almost done my mower racer for this year. #43 with a retro Petty STP Charger paint scheme.. :D



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Jason

(Eileen)1965 Chrysler Windsor, 361/727/2.76 16.49 @ 86 mph

Steve

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« Reply #18 on: May 01, 2012, 07:14:25 AM »



Stroke a 318 to 400.
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Jason Goldsack

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« Reply #19 on: May 01, 2012, 09:11:45 AM »

If I was to use the early castings I would put on Magnum heads they are a bolt on. The best would be to find a roller motor from the late 80's and swap magnum heads onto it. Then I would be able to use a much more aggressive cam.


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Jason

(Eileen)1965 Chrysler Windsor, 361/727/2.76 16.49 @ 86 mph

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« Reply #20 on: May 01, 2012, 11:45:19 AM »

Yes, yes, you could. Not sure if it is just the Magnum engine/heads, or whether it corrects itself with the roller cam, but Magnum heads on an LA engine require the pushrod holes to be drilled out larger because the lifters are spaced differently, but it is doable, just be aware it may be part of an issue to deal with and not a surprise.
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Jason Goldsack

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« Reply #21 on: May 01, 2012, 11:51:06 AM »

From what I have read the magnum to non-magnum is a true bolt on.. the other way around requires modifications to the oiling of the head.


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Jason

(Eileen)1965 Chrysler Windsor, 361/727/2.76 16.49 @ 86 mph

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« Reply #22 on: May 01, 2012, 12:08:39 PM »

Magnum to LA requires AMC V8 lifters and hollow pushrods to oil the rockers. Sorry, forgot about that. Not sure why you would want to put LA heads on a Magnum, unless they were W2 heads and intake, but you would still have to do the lifters and pushrods, along with W2 heads, intake, and rocker set. I think the W2/LA valve covers are the same.
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