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408 cam #1267889
07/14/12 07:07 PM
07/14/12 07:07 PM
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Rancho Cucamonga ca
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bill8121 Offline OP
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First timmer in this section. I'm gonna purchase a 408pair short block from muscle motors. I want a stupid fast street truck, 3800 lbs. I have j heads that I'm gonna send to get some work done on but my dilemma is cam selection. Being that it's a truck i need lots of torque. Also what stall converter/gears/carb?

Re: 408 cam [Re: bill8121] #1267890
07/14/12 07:15 PM
07/14/12 07:15 PM
Joined: Jan 2003
Posts: 20,832
A collage of whims
topside Offline
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A collage of whims
Did a 406" SB for my '74 Duster (A/C, 3.21 gear, stock converter, iron heads, 9:1, street car) using an Engle hyd flat-tappet with 214/224 @ .050 and .470/.504 lift. Ran great, tons of torque, great throttle response (T-quad), 17MPG @ 70, and sounded quite healthy.

Re: 408 cam [Re: bill8121] #1267891
07/14/12 07:23 PM
07/14/12 07:23 PM
Joined: Jun 2003
Posts: 52,972
Romeo MI
MR_P_BODY Offline
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Romeo MI
Quote:

First timmer in this section. I'm gonna purchase a 408pair short block from muscle motors. I want a stupid fast street truck, 3800 lbs. I have j heads that I'm gonna send to get some work done on but my dilemma is cam selection. Being that it's a truck i need lots of torque. Also what stall converter/gears/carb?




If you want stupid fast your using the wrong heads...
plenty of different heads will make way more power...
then get the heads ported and have the cam picked
based on the head flow and lift

Re: 408 cam [Re: MR_P_BODY] #1267892
07/14/12 07:39 PM
07/14/12 07:39 PM
Joined: Nov 2005
Posts: 15,119
85086
moparpollack Offline
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Check out Brian OU812 from IMM RHS heads for the street.


56 Plaza 63 D100 step side 67 Coronet, 68 Roadrunner, 69 Super Bees, 69 Coronet 500 convertible, 70 Roadrunner Post, 79 D150 360, and a severe case of Mopar a,d,d
Re: 408 cam [Re: moparpollack] #1267893
07/14/12 07:48 PM
07/14/12 07:48 PM
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Posts: 2,141
junction city oregon
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viperblue72 Offline
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How fast do you want it to go? Stupid fast in ones opinion can be very different than another. But yes, 3800 pounds and stupid fast is gonna be difficult.

Re: 408 cam [Re: viperblue72] #1267894
07/14/12 09:30 PM
07/14/12 09:30 PM
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Rancho Cucamonga ca
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bill8121 Offline OP
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Realistically mid 13s. 12's would be nice but i wanna drive it everyday.

Re: 408 cam [Re: bill8121] #1267895
07/14/12 09:32 PM
07/14/12 09:32 PM
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Rancho Cucamonga ca
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bill8121 Offline OP
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How much compression can i run on pump gas?

Re: 408 cam [Re: bill8121] #1267896
07/14/12 09:35 PM
07/14/12 09:35 PM
Joined: Jun 2003
Posts: 52,972
Romeo MI
MR_P_BODY Offline
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Quote:

How much compression can i run on pump gas?




Depends what you have for pump gas but 11:1 is about it

Re: 408 cam [Re: MR_P_BODY] #1267897
07/14/12 09:47 PM
07/14/12 09:47 PM
Joined: Apr 2005
Posts: 12,271
Overpriced Housing Central
RobX4406 Offline
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I'd ask Brian about the build. He's localish, within 100 miles, and does good work.

3800# and a decent 408 with in the 480 hp range should run 12.00 pretty easy in a so-so chassis.

I wouldn't build any engine for use on CA pumppiss with any more than about 10:1

Re: 408 cam [Re: RobX4406] #1267898
07/15/12 03:06 AM
07/15/12 03:06 AM
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Rancho Cucamonga ca
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bill8121 Offline OP
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Cool thanks for the info guys. I'll be here more often now that I'm gonna be working on the engine. How do i contact Brian? Like i said I'm new. Here's a pic of my 69 d200 dropped on a 82 d150 frame.

7293034-071412230552.jpg (57 downloads)
Re: 408 cam [Re: bill8121] #1267899
07/15/12 03:14 AM
07/15/12 03:14 AM
Joined: Oct 2011
Posts: 167
Rancho Cucamonga ca
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bill8121 Offline OP
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Nevermind i found him

Re: 408 cam [Re: bill8121] #1267900
07/15/12 02:59 PM
07/15/12 02:59 PM
Joined: Apr 2005
Posts: 12,271
Overpriced Housing Central
RobX4406 Offline
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That's a neat looking truck. Like that style.

Good luck with your build.

Re: 408 cam [Re: RobX4406] #1267901
07/15/12 06:41 PM
07/15/12 06:41 PM
Joined: Oct 2011
Posts: 167
Rancho Cucamonga ca
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bill8121 Offline OP
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Thanks man. You don't see many of them. I bought it for 1750me from some kid who had no idea what a unique vehicle it was.







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