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I need longer pushrods, yeah!

  • Thread starter Thread starter red94fiveo
  • Start date Start date Mar 19, 2004

red94fiveo

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Apr 12, 2003
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Mar 19, 2004
#1
  • Mar 19, 2004
  • #1
Went over and talked to the guy at the shop thats working on my car yesterday. Unfortunately he hasn't gotten much done since the first thing he noticed when taking apart my stuff is that my valvetrain geometry was a little off, and I probably need longer pushrods. He thinks I need a 6.400" pushrod, I have 6.250" right now. Once again this is something I checked and thought was close enough that it was OK, but not the case.
He also said that having the pushrods I do now, wouldn't be the cause of my loss in power, but still needs to be corrected (I agree). He's got a bunch of different length pushrods, but he was going to fab it up with the 6.400" first, and then if thats the right size, order those, reassemble and then hopefully diagnose my problem. I am very confident this guy knows his stuff, the more people I have talked to, the more he seems to be the 'mustang guy' in town. He had a couple of engines assembled for a couple of his mustangs that he showed me some stuff on, it all looked really good.

Anyway, just thought I would give a little update, and if anyone needs a set of Engine Werks 6.250" hardened pushrods w/ less than 50 miles on them, just let me know!
 

zenboy99

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Mar 19, 2004
#2
  • Mar 19, 2004
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Thats interesting, I wonder if any of the other FTI/AFR guys had to use longer pushrods?
 

mto502

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Mar 19, 2004
#3
  • Mar 19, 2004
  • #3
I bought the Trick Flow package including cam, rods, heads and intake but since I landed up going with Canfield heads instead, the rods that came with my Trick Flow package were too long. I landed up retaining the stock sized pushrods but they were the Ford Motorsport hardened rods.
 

Stangfreak95

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Mar 19, 2004
#4
  • Mar 19, 2004
  • #4
zenboy99 said:
Thats interesting, I wonder if any of the other FTI/AFR guys had to use longer pushrods?
Click to expand...

I'm just about to finish my engine with AFR/FTI custom cam and I needed longer pushrods. 6.350 is the exact lenght I chosen to have a perfect geometry. I'm receiving them and installing them on Monday so I'll confirm.
 
9

94DreamGT

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Mar 19, 2004
#5
  • Mar 19, 2004
  • #5
Hmmm...Ed sent me 6.250" length Engine Works hardened pushrods. When I checked the geometry, the sweep was pretty much near the center of the valve stem.

It is weird though that my heads are milled 0.020" and I figured that was the difference from the 6.25" to the stock 6.27", but apparantely Ed sent you the same size. I wonder why?

I also must ask why this guy thinks you need longer pushrods, what was his exact reasoning?

Unless I have a specific knowledge that mine were to be wrong, I'm not changing them. I trust Ed's following on the parts he sold me.
 

Rootus

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Mar 19, 2004
#6
  • Mar 19, 2004
  • #6
zenboy99 said:
Thats interesting, I wonder if any of the other FTI/AFR guys had to use longer pushrods?
Click to expand...
I used 6.272 for awhile, and the geometry was adequate, but when I replaced my pushrods I switched to 6.300 for optimum geometry...

Dave
 

Killercanary

The car that set the bar.
Founding Member
Nov 29, 1999
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Altoona, PA
Mar 19, 2004
#7
  • Mar 19, 2004
  • #7
I'm running 6.300" with shims on my pedestal mount heads.
 

TheRedBlur

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Jul 7, 2003
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Mar 20, 2004
#8
  • Mar 20, 2004
  • #8
sounds like a set of Holley's or canfields. Any problem with guideplates on those heads?
 

mto502

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Mar 20, 2004
#9
  • Mar 20, 2004
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In what regards ? The guideplates and everything else went together just fine.
 

red94fiveo

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Apr 12, 2003
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Mar 20, 2004
#10
  • Mar 20, 2004
  • #10
94DreamGT said:
Hmmm...Ed sent me 6.250" length Engine Works hardened pushrods. When I checked the geometry, the sweep was pretty much near the center of the valve stem.

It is weird though that my heads are milled 0.020" and I figured that was the difference from the 6.25" to the stock 6.27", but apparantely Ed sent you the same size. I wonder why?

I also must ask why this guy thinks you need longer pushrods, what was his exact reasoning?

Unless I have a specific knowledge that mine were to be wrong, I'm not changing them. I trust Ed's following on the parts he sold me.
Click to expand...

When he showed me where the rockers are now hitting on the top of the valves, its a little back of center, so the longer ones make sense.
 

Rootus

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#11
  • Mar 20, 2004
  • #11
red94fiveo said:
When he showed me where the rockers are now hitting on the top of the valves, its a little back of center, so the longer ones make sense.
Click to expand...
Keep in mind that being off center is not the most important measurement. Most important is that the width of the contact patch is as narrow as possible.
 

TheRedBlur

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Mar 20, 2004
#12
  • Mar 20, 2004
  • #12
mto502 said:
In what regards ? The guideplates and everything else went together just fine.
Click to expand...
I had to grind mine, I checked the geometry wiht the guideplates when I got them and the plates pushed the pushrods out of the cup for my lifter. kinda hookey
 
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