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  #661  
Old 02-10-2019, 07:51 PM
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I honestly don't know the flash speed. All I know is it's rated at 2500 stall, and that's what was recommended by Comp to pair with the cam I'm running....from there I'm clueless.

Carb is a 4160 Holley.

Mine hasn't chirped 1-2 yet. Felt close a couple times but nothing yet. Seems to me that can't be good on U-joints.

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  #662  
Old 02-10-2019, 08:15 PM
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Originally Posted by 6speedsd View Post
I honestly don't know the flash speed. All I know is it's rated at 2500 stall, and that's what was recommended by Comp to pair with the cam I'm running....from there I'm clueless.

Carb is a 4160 Holley.

Mine hasn't chirped 1-2 yet. Felt close a couple times but nothing yet. Seems to me that can't be good on U-joints.

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Roll away from a stop and snap the throttle. The tach will jump to the flash speed before you really begin to move.
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  #663  
Old 02-10-2019, 08:27 PM
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I'll give that a try next time I drive it

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2005 F350 2wd CC DRW Lariat

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WPE RR and Uppipes
  #664  
Old 02-11-2019, 03:38 AM
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Oh I will. I've enjoyed the shiz out of this truck the past year, and this year will be no different. First off is changing back to the original 77 front end, then doing some PTM on the surround, with black grill inserts and bumpers. Hopefully later this summer it's getting lowered...either drop beams or a Crown Vic front clip. Just not sure I want to go as low as a clip would make it...but the improvement in handling would be night and day. Sway bars are a definite want! Body roll sucks ass on this heavy thing. I rebuilt the steering gear box last week, so I'm hoping that tightened the steering up a lot.
Then new rims/tires...probably 20's. It's time for a new direction with it. More muscle truck I guess you could say as opposed to the current state of nostalgia it sits in now with the wide tires and old school 15" Visions.

Of course, none of this will happen anytime soon. Maybe projects for next winter if I can get my ducks in a row before then.


And with all the other ideas bouncing around my messed up noggin, that little spinny thing (as Jake called it) still keeps coming to the forefront.

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Haha! Do it!!

live life full throttle
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  #665  
Old 02-11-2019, 07:56 AM
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Roll away from a stop and snap the throttle. The tach will jump to the flash speed before you really begin to move.
According to my tach, it's 1600ish.

Backed off the adjustment for the accelerator pump arm, and it helped the stumble. It's not gone, but better. I apparently had it a little too tight. Would explain the heavy exhaust smell at idle. I've been going over everywhere I could have a vacuum leak, even replacing all vacuum lines under the hood, which are only a couple. No power brakes so that rules out a booster. Only place left is under the dash with the line that operates the HVAC. If the weather would cooperate and stop being up and down, I'd cap the line going through the firewall and see if I notice a difference. I mean we aren't talking about many lines on an old truck....vacuum advance line, line from full manifold vacuum that splits...one to the modulator on the trans, the other to the canister, then into the firewall.

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2005 F350 2wd CC DRW Lariat

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155/30's
KC Stage 1.5
WPE RR and Uppipes
  #666  
Old 02-11-2019, 08:48 AM
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According to my tach, it's 1600ish.

Backed off the adjustment for the accelerator pump arm, and it helped the stumble. It's not gone, but better. I apparently had it a little too tight. Would explain the heavy exhaust smell at idle. I've been going over everywhere I could have a vacuum leak, even replacing all vacuum lines under the hood, which are only a couple. No power brakes so that rules out a booster. Only place left is under the dash with the line that operates the HVAC. If the weather would cooperate and stop being up and down, I'd cap the line going through the firewall and see if I notice a difference. I mean we aren't talking about many lines on an old truck....vacuum advance line, line from full manifold vacuum that splits...one to the modulator on the trans, the other to the canister, then into the firewall.

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My try swapping out the power valve to a size or two smaller, to help with you stumble off idle. Holley always seemed to be a bit optimistic on their sizing.
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  #667  
Old 02-11-2019, 10:09 AM
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I've always wondered that myself. Unless you are running a radical cam with small amounts of vacuum produced, their standard valve seems to be labeled as a "one size fits most".

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155/30's
KC Stage 1.5
WPE RR and Uppipes
  #668  
Old 02-11-2019, 10:41 AM
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It's a nasty day here today, and supposed to be again tomorrow. First day of nicer weather I'll check idle vacuum for starters and see where it's at with this cam. Could be that I need a smaller PV regardless.

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2005 F350 2wd CC DRW Lariat

Diamond Eye 5" straight piped
155/30's
KC Stage 1.5
WPE RR and Uppipes
  #669  
Old 02-11-2019, 11:39 AM
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It's a nasty day here today, and supposed to be again tomorrow. First day of nicer weather I'll check idle vacuum for starters and see where it's at with this cam. Could be that I need a smaller PV regardless.

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At one time, I could rebuilt these blindfolded, lol. Today, I'm scratching my head trying to remember some of this stuff.

A lot of guys didn't like the holleys because there a several adjustments to get them perfect.
A lot of guys liked the holleys because there are several adjustments that can be made
When they are dialed, Holley makes a great carb.
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  #670  
Old 02-11-2019, 12:55 PM
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Yeah I get it. I've ran both Holley and Edelbrock. Never was a fan of the Edelbrock personally. I never could get it set just right, but you are also very limited on what you can actually adjust. I like Holley, but I'm having to learn all the ins and outs of adjusting it just so so. Learning what little tweak to do here or there to make it just right is the ticket. I'll get there. It's just trial and error anyways. Make a change and it gets worse, go back to how it was before and try something else

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2005 F350 2wd CC DRW Lariat

Diamond Eye 5" straight piped
155/30's
KC Stage 1.5
WPE RR and Uppipes
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