How much horsepower will a stock 340 bock handle?
#1411864
03/31/13 12:46 AM
03/31/13 12:46 AM
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Joined: Mar 2013
Posts: 755 Tri Cities TN area
Hailtheleaf538
OP
Never Misses A Coffee Break
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OP
Never Misses A Coffee Break
Joined: Mar 2013
Posts: 755
Tri Cities TN area
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Approximate of course. Am wanting to keep the smallblock route, and am curious how much they will hold up to reliably....thanks in advance.
Last edited by HailTheLeaf538; 03/31/13 12:47 AM.
Organized Labor: The people that brought you the weekend.
If you can't grasp the meaning of the phrase "tongue in cheek", don't respond.
1970 H code Swinger, Top Banana
2012 Liberty Jet 4x4 True Blue Pearl
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Re: How much horsepower will a stock 340 bock handle?
[Re: ScottSmith_Harms]
#1411866
03/31/13 02:39 AM
03/31/13 02:39 AM
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Joined: Aug 2005
Posts: 6,003 Salem
Grizzly
Moparts Proctologist
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Moparts Proctologist
Joined: Aug 2005
Posts: 6,003
Salem
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Welcome to the board. If you search around the race section you will see it has been discussed a little. In a nut shell, photos were asked to be produced of an actual block failure for LA series engines and none came up. Some of those guys are pushing 700 and a bit beyond without going "R" block.
Mo' Farts
Moderated by "tbagger".
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Re: How much horsepower will a stock 340 bock handle?
[Re: ScottSmith_Harms]
#1411867
03/31/13 02:45 AM
03/31/13 02:45 AM
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Joined: Mar 2013
Posts: 755 Tri Cities TN area
Hailtheleaf538
OP
Never Misses A Coffee Break
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OP
Never Misses A Coffee Break
Joined: Mar 2013
Posts: 755
Tri Cities TN area
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Quote:
Most will agree that 550-600 or so is about it, and even at 600 you will be running in the riskier zone when dependability is the concern. That said quite a few guys have engines running 650-700 with no reported problems. A lot will depend on how good the block is that you start with, and how well it's machined and put together.
cool, thanks....that's probably about right at the limit of what I'm wanting to do. Like I said, with the car, Im wanting to build a street legal drag car, to drive around town once in a while....Ever since I was a kid, I had always been infatuated with the KOS cars, especially the few small block ones. Not wanting to go quite that serious, but you get the point. Hell, I don';t know, I may end up realizing that I want to build something a little milder to enjoy on the streets a little more. Thanks for the input, it's much appreciated.
Organized Labor: The people that brought you the weekend.
If you can't grasp the meaning of the phrase "tongue in cheek", don't respond.
1970 H code Swinger, Top Banana
2012 Liberty Jet 4x4 True Blue Pearl
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Re: How much horsepower will a stock 340 bock handle?
[Re: Grizzly]
#1411868
03/31/13 02:50 AM
03/31/13 02:50 AM
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Joined: Mar 2013
Posts: 755 Tri Cities TN area
Hailtheleaf538
OP
Never Misses A Coffee Break
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OP
Never Misses A Coffee Break
Joined: Mar 2013
Posts: 755
Tri Cities TN area
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Quote:
Welcome to the board.
If you search around the race section you will see it has been discussed a little.
In a nut shell, photos were asked to be produced of an actual block failure for LA series engines and none came up. Some of those guys are pushing 700 and a bit beyond without going "R" block.
Thanks, I've lurked around the forums for a bit, wanting to get another old Mopar, and this one kinda fell into my la[p...1970 swinger 340/727 car, 3.91 suregrip, manual discs, top banana, go wing, rallyes, runs and drives for CHEAP. I do have a 2012 Liberty, but I don't think that counts for a classic mope....... Seems like for the most part, everyone around here is pretty friendly, and willing to help.
As far as the block goes, I didn't really wanna go the srious R block route....Was wanting to see what was possible with a stock block and a top quality bottom end. Thanks brother.
Organized Labor: The people that brought you the weekend.
If you can't grasp the meaning of the phrase "tongue in cheek", don't respond.
1970 H code Swinger, Top Banana
2012 Liberty Jet 4x4 True Blue Pearl
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Re: How much horsepower will a stock 340 bock handle?
[Re: Hailtheleaf538]
#1411873
03/31/13 02:48 PM
03/31/13 02:48 PM
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Joined: Mar 2005
Posts: 386 Maryland
reno340
enthusiast
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enthusiast
Joined: Mar 2005
Posts: 386
Maryland
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If it is a real "H" code car, I would be careful as to what mods you do to it. They are fairly rare.
"There are only three real sports, Mountain climbing, Bull Fighting and Auto Racing. The rest are just games" - Earnest Hemmingway If you can't run with the big dogs, stay on the porch!! https://www.youtube.com/watch?v=_xQJtN1_6DU
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Re: How much horsepower will a stock 340 bock handle?
[Re: Hailtheleaf538]
#1411875
04/01/13 08:12 PM
04/01/13 08:12 PM
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Joined: Jan 2003
Posts: 16,376
dogdays
I Live Here
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I Live Here
Joined: Jan 2003
Posts: 16,376
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Whatta car! They ruled the streets where I grew up, wasting those 396 chevelles and goats and anything with the blue oval. My eyes are almost turning green..... R.
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