Whenever you overbore, you should increase the piston size, how else are you
going to gain anything. A set of custom forged pistons is in the $400-$900
range for all kinds of engines. If they are a more standard size, the
cheaper they are. That can either lower your compression ratio, thereby
setting up for the forced induction, or if you're staying N/A you'd raise it
above stock. Combine that with a valve job, and you can set up your engine
to run any compression ratio you want. Go to a good machine/race shop, and
they'll take care of you.
-Robert Howe
1995 V6 4x4
-----Original Message-----
From: Clay Cooke <cooke@ecn.purdue.edu>
To: 'dakota-truck@buffnet.net' <dakota-truck@buffnet.net>
Date: Tuesday, February 29, 2000 11:07 AM
Subject: RE: DML: RE: 360 Premag Competition
>
>Im my opinion you should only over bore an engine for cleaning up the
>bore. There is no reason to bore an engine when you hardly gain anything,
>like with my .030 over 440, I got a whopping 5 cubes... wow... and with
>stock pistons I would have lost some compression... no reason to bore, if
>you want cubes, stroke it, that is the only way to effectively get
>cubes.... again, in my opinion...
>
>Clay
>
>84 Dodge Ram, scrapin pavement w/ 440 8bbl
>96 Indy Ram, scrapin EVERYTHING w/ 360 Magnum!' -(www.indyram.org)
>69 Road Runner 440 6bbl, project car
>
>http://expert.cc.purdue.edu/~cooke
>
>On Tue, 29 Feb 2000, Stlaurent Mr Steven wrote:
>
>> Depending on the wall thickness and amount HP wanted, this is always my
>> limitation for any over boring of the cylinder walls (the days of the 454
>> bib block Chevy). It maybe .30 for safety and longevity purposes. But
it
>> is the CID is what I am after.
>>
>> -----------------------------------------------------------------
>> Steven St.Laurent
>> Test Engineer
>> Test Branch, GSD,MCTSSA
>> MARCORSYSCOM, US Marine Corps
>> mailto:stlaurents@mctssa.usmc.mil (work)
>> mailto:Saint1958@home.com (home)
>> Office: (760) 725-2296
>>
>> -----Original Message-----
>> From: Dave Scelfo [mailto:macncheesemonster@hotmail.com]
>> Sent: Tuesday, February 29, 2000 8:50 AM
>> To: dakota-truck@buffnet.net
>> Subject: RE: DML: RE: 360 Premag Competition
>>
>> Why go .6 oversize? That seems like alot.
>>
>> --
>> Dave
>>
>>
>>
>> >From: Stlaurent Mr Steven <STLAURENTS@mctssa.usmc.mil>
>> >Reply-To: dakota-truck@buffnet.net
>> >To: "'dakota-truck@buffnet.net'" <dakota-truck@buffnet.net>
>> >Subject: RE: DML: RE: 360 Premag Competition
>> >Date: Tue, 29 Feb 2000 07:42:24 -0800
>> >
>> >Yes! That is about right. I went through all options of first total
>> >amount
>> >of dollars capped on this project and found the HEMI, WEDGE, or V-10's
are
>> >out of the league. My cap is 20K on this project and went at looked at
>> >what
>> >Ford SVT did to there vehicles for 31K. See I can do better with a Dak
and
>> >better for performance. The 380HP/360 Magnum is the best deal at
2995.00.
>> >I found out for those who have older engines that new blocks go for
>> >1500-1900 for a 360. Now I have been talking to several performance
shops
>> >of yanking the engine and seeing the cost value for modification to the
>> >compression (currently 9.3:1) to 10.5, street/strip cam, .60 oversize,
>> >direct drive timing gears etc. What is more feasible, the 4.7 mod or
the
>> >crate 360?
>> >
>> >Having a great engine is wonderful only if you have the right suspension
>> >that can turn on a dime. This is very expensive item to include but
well
>> >worth the money. However, I would love to have a six speed double
plated
>> >clutch Tranny.
>> >
>> >-----------------------------------------------------------------
>> >Steven St.Laurent
>> >Test Engineer
>> >Test Branch, GSD,MCTSSA
>> >MARCORSYSCOM, US Marine Corps
>> >mailto:stlaurents@mctssa.usmc.mil (work)
>> >mailto:Saint1958@home.com (home)
>> >Office: (760) 725-2296
>> >
>> >-----Original Message-----
>> >From: DICEMAN469@aol.com [mailto:DICEMAN469@aol.com]
>> >Sent: Tuesday, February 29, 2000 7:18 AM
>> >To: dakota-truck@buffnet.net
>> >Subject: Re: DML: RE: 360 Premag Competition
>> >
>> >In a message dated 2/29/00 10:08:07 AM Eastern Standard Time,
>> >STLAURENTS@mctssa.usmc.mil writes:
>> >
>> > > Go for the 426 Hemi motor. It is the closes you will get to the smog
>> > > emission and have 500HP without a blower. The drawback is the sump
>> >pump
>> > > modification-center pump.
>> >
>> >
>> >I really want a motor like that but it would be too expensive and too
>> >complicated of an install. 11 grand for a motor, then I have to find a
>> >tranny, fuel injection, probably an Accel DFI system, custom mount
>> >everything, yadda, yadda, yadda. It would be way beyond the scope of my
>> >knowledge, so I would have to pay someone to do it for me. The whole
thing
>> >will end up costing me close to 20 grand!! I feel I can get the same
power
>> >using other means, saving me alot of trouble, almost no hacking up of a
>> >good
>> >truck, with money left over to put into the other mods.
>> > I honestly though of the V10 crate for a bit (Vipertruck should
have a
>> >Viper engine, right) but I scrapped that idea for the same reason. A
>> >well-built 360 can put out 500HP probably for about 5 grand.
>> >
>> >-Austin
>> >Vipertruck
>>
>> ______________________________________________________
>> Get Your Private, Free Email at http://www.hotmail.com
>>
>
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