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  #91  
Old 04-04-2013, 12:14 PM
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Originally Posted by dustybumpers
I did!!!!

Intake and carb are still here, but they are for a windsor, so that's not good news.

Cam is as follows;

Hydr flat tappet
351 c- boss 351-351 m-400
part # VS320-16
grind 10329
Use 1.73 rocker arm
Lift-Intake 2800 @ valve 484
lift-Exhaust 2947 @ valve 510

Intake cam timing- at tappet-1050 opens 58 btdc closes 29* abdc
Max lift 107*atdc 204 durration

Exhaust-1050 opens-44*btdc closes 10*btdc
max lift 117*btdc 214* durration

DO NOT USE WITH EXHAUST VALVE ROATORS



This may be too nasty of a cam to be practical in a truck..... Tim?????

you definately will need a vacuum can reserve for your power brakes
Ahh, That's a bummer.

Yeah, might be a little much. Oh well.

An Edelbrock Performer intake be good, you think?
 
  #92  
Old 04-04-2013, 12:20 PM
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That is an excellent intake. With the carb you have it will wake up the bottom end, and probably give you a tad better gas mileage.

Add a set of headers, and it will really wake up
 
  #93  
Old 04-04-2013, 12:52 PM
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I'm hoping the set i've designed will fit, with minor tweaking. Gonna check this weekend.

 
  #94  
Old 04-04-2013, 12:55 PM
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I need to redo the right one, though, And change the #8 pipe so it'll clear the vacuum booster.
 
  #95  
Old 04-04-2013, 01:01 PM
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Do you have the small booster, or the one like the newer trucks have
 
  #96  
Old 04-04-2013, 01:44 PM
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Originally Posted by dustybumpers
I did!!!!

Intake and carb are still here, but they are for a windsor, so that's not good news.

Cam is as follows;

Hydr flat tappet
351 c- boss 351-351 m-400
part # VS320-16
grind 10329
Use 1.73 rocker arm
Lift-Intake 2800 @ valve 484
lift-Exhaust 2947 @ valve 510

Intake cam timing- at tappet-1050 opens 58 btdc closes 29* abdc
Max lift 107*atdc 204 durration

Exhaust-1050 opens-44*btdc closes 10*btdc
max lift 117*btdc 214* durration

DO NOT USE WITH EXHAUST VALVE ROATORS



This may be too nasty of a cam to be practical in a truck..... Tim?????

you definately will need a vacuum can reserve for your power brakes
I would classify that as an aggressive street cam. It has a lot of lift but its kinda short duration. A vacuum cam would make sure the brakes and heater have enough vacuum to work. Headers will tame it a bit to so it should work. I would like to see some head work and a tall double plane intake as well to make sure torque doesnt suffer.

What is the rear gear ratio?
 
  #97  
Old 04-04-2013, 02:59 PM
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Howdy all.
 
  #98  
Old 04-04-2013, 03:54 PM
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Originally Posted by dustybumpers
Do you have the small booster, or the one like the newer trucks have
Looks like the ones in modern trucks, to me.


Originally Posted by archtaan
I would classify that as an aggressive street cam. It has a lot of lift but its kinda short duration. A vacuum cam would make sure the brakes and heater have enough vacuum to work. Headers will tame it a bit to so it should work. I would like to see some head work and a tall double plane intake as well to make sure torque doesnt suffer.

What is the rear gear ratio?
3.50:1.

I figured I might as well pull the heads and strip them down, do a little porting and polishing, and then lap the valves while I have both manifolds off.
 
  #99  
Old 04-04-2013, 04:07 PM
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The NASCAR race is in Martinville this weekend, whos going........
 
  #100  
Old 04-04-2013, 07:05 PM
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No NASCAR for me, Gerry.


Redid the right header. Primaries and secondaries are a little more even now.



 
  #101  
Old 04-04-2013, 07:27 PM
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Dev why don't you buy a set of headers
 
  #102  
Old 04-04-2013, 07:27 PM
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Where's the fun in that, Gerry?? These will yield better lower-end. I also won't have to unbolt the motor mounts or shield the starter with these. I'm hoping I'll be able to do these for under $300; need to figure out how many bends I'll have to order..
 
  #103  
Old 04-04-2013, 07:30 PM
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I'm not going, too far. Besides---crazy weather...it's 12* warmer here in NY than our place near Stuart.
 
  #104  
Old 04-05-2013, 01:29 AM
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Originally Posted by devino246
No NASCAR for me, Gerry.


Redid the right header. Primaries and secondaries are a little more even now.



Have you mocked one up with the yellow and blue tubes running full length and doing a 4 into 1 collector with an inner deflector? It doesnt look like it would be too hard to have them run side by side the other tubes.

If you want to stick with a tri-y instead of equal length, you may want to think about re-routing the tubes so that every other cylinder merges instead of 2 back to back. It helps with the scavenging because of the firing order.

So 1 - 3 merge and 2 - 4 merge then those to y's merge at the collector.

Please note, I am definitely not a header expert! Just remember reading some of that stuff in old hot rod and carcraft magazines.
 
  #105  
Old 04-05-2013, 05:33 AM
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Good Friday morning VA truckers, 2''more snow up here, I'm ready for summer .....
 


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