360 LA vs. Magnum for stroker build?
#1740911
01/28/15 04:16 AM
01/28/15 04:16 AM
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Joined: Jun 2005
Posts: 5,112 Western Md.
skicker
OP
"The Champ"
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OP
"The Champ"
Joined: Jun 2005
Posts: 5,112
Western Md.
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I have a nice low mileage complete 77 360 removed from a motor home. I am also going to be removing a high mileage 360 from a 91 truck (Magnum motor?)that is being parted out. Dad really wants to build one of the 426 cu.in. stroker 360's using the Hughes kit for the 69 Dart. (I don't agree with it but it's his car) Which platform is the better one to use?
...FAFO...
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Re: 360 LA vs. Magnum for stroker build?
[Re: d100dragracer]
#1740914
01/28/15 11:54 AM
01/28/15 11:54 AM
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Joined: Jun 2005
Posts: 5,112 Western Md.
skicker
OP
"The Champ"
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OP
"The Champ"
Joined: Jun 2005
Posts: 5,112
Western Md.
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I wasn't sure when the LA blocks were replaced with the Magnum...being 91 I took for granted it was the Magnum motor. Thx...
...FAFO...
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Re: 360 LA vs. Magnum for stroker build?
[Re: Rick_Ehrenberg]
#1740916
01/28/15 04:20 PM
01/28/15 04:20 PM
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Joined: Jan 2005
Posts: 12,423 Kalispell Mt.
HotRodDave
I Live Here
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I Live Here
Joined: Jan 2005
Posts: 12,423
Kalispell Mt.
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The 91 360 block is stronger, especially in the bottom of the block where it has more meat not less. It also is roller cam ready, $100 for a regrind where a roller in the old block would set you back $1000.
I do agree about better sealing on a magnum.
I am not causing global warming, I am just trying to hold off a impending Ice Age!
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Re: 360 LA vs. Magnum for stroker build?
[Re: HotRodDave]
#1740918
01/29/15 12:59 AM
01/29/15 12:59 AM
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Joined: Jul 2003
Posts: 6,167 Maryland
GO_Fish
master
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master
Joined: Jul 2003
Posts: 6,167
Maryland
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With what you have already, I'd use the '91, especially if you have the 308 heads. If the 308 heads are gone, I'd upgrade to closed chamber Magnum heads on the same '91 block. You'll pick up about 1/2 point compression on a 360 with Mag heads, IIRC. 308 heads are scarce now (low production then, 3 year run??), if you have them, you may be able to sell them to raise money for what you want.
Scott B.
"I'm a self-made man... I started with nothing, and I still have most of it!"
68 360 rusty B'cuda 'vert (GO Fish)13.59@ 98.72 mph
69 340 GTS stock 14.18@ 95.60 mph
01 5.9L Ram 1500 Quad Cab 4x4
01 3.5L 300M 16.23@ 86.97 mph
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Re: 360 LA vs. Magnum for stroker build?
[Re: skicker]
#1740921
01/29/15 03:05 PM
01/29/15 03:05 PM
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Joined: Jan 2005
Posts: 12,423 Kalispell Mt.
HotRodDave
I Live Here
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I Live Here
Joined: Jan 2005
Posts: 12,423
Kalispell Mt.
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There are guys out there who will pay stupid money for a set of 308s, sell them (I have sold a couple decent sets for $300)then put another $300 with it and get some EQ magnums. The 308 is basically a magnum with crappy chambers, small valves, big chambers, heavy valves, wet ex bolts, 1.4 ratio rockers, 5 valve cover bolts instead of 10 and a rough cast valve cover rail instead of machined smooth = leaky, low powered magnum. The EQ is a magnum on steroids.
I am not causing global warming, I am just trying to hold off a impending Ice Age!
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Re: 360 LA vs. Magnum for stroker build?
[Re: goldmember]
#1740922
01/29/15 03:12 PM
01/29/15 03:12 PM
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Joined: Jan 2005
Posts: 12,423 Kalispell Mt.
HotRodDave
I Live Here
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I Live Here
Joined: Jan 2005
Posts: 12,423
Kalispell Mt.
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I have a cam in a 5.9 magnum 208@.050 with .514 lift, it makes awesome power anywhere in the power band and a similar grind can not be had in flat tappet.
I am not causing global warming, I am just trying to hold off a impending Ice Age!
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