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  • 1979 - 1995 (Fox, SN95.0, & 2.3L) -General/Talk-

Head Swap Build Thread: And other Improvements

  • Thread starter Thread starter Venom351R
  • Start date Start date Sep 9, 2010
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revhead347

Apparently my ex-husband made that mistake.
20+ Year Stangneter
Jun 14, 2004
9,301
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Acworth, GA
Oct 12, 2010
#141
  • Oct 12, 2010
  • #141
rj95svt said:
You may very well be right about that but if I was running 3" exhaust and my headers got as small as 2 1/4" at the collector I wouldn't be running them that way. I agree about the cats
Click to expand...

Does it really drop down to 2 1/4" with a 3" exhaust? I'm sure the majority of us run 2 1/2" I don't think anyone on here is pulling enough power to justify 3" dual exhaust.

Kurt
 

Adam95GT

New Member
Aug 14, 2006
2,564
3
0
Burlington, NJ
Oct 12, 2010
#142
  • Oct 12, 2010
  • #142
Venom351R said:
I run cats and I cant go w/ out them. If the Accufab's come as slip fit then thats fine but I'm not doing any cutting otherwise.
Click to expand...

Yup. They come as slip fit. There are pictures in my thread. Im also running cats.
 

Venom351R

Founding Member
Apr 27, 2002
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Oct 13, 2010
#143
  • Oct 13, 2010
  • #143
can you link that here, I cant find it and want to see how they look and connect together.
 

Venom351R

Founding Member
Apr 27, 2002
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Oct 15, 2010
#144
  • Oct 15, 2010
  • #144
Here is a new issue thats been crossing my mind after looking at head options further.

The AFR 205cc heads are 58cc combustion chambers so.....


1. VS the Trickflow 65cc combustion chambers how much more of an advantage is having 58cc? How much difference in compression will it make VS the 65cc

2. Since I had the AFR 185's with no PVC issues would going with the 205's change anything with PVC VS the 185's? Reason I ask is b/c of the unknown factor of PVC issues with the Trickflow heads.


I really want Trickflow heads, thats what I started out wanting and thats what I would like to still have now BUT.... If I can make bigger gains with 58cc heads VS 65cc and not have to deal with PVC it could be enough to sway my decision.

Can anyone advise me on what my CR would be with the 58cc heads with my stock pistons being 11cc. It was figured that the TF 65cc heads would get me to about 9:3. More compression = more power and the AFR's are a bit cheaper. If the power and compression difference between the 65/58 is worth changing my mind on this then I might.

Mike brought up the 58cc AFR heads back on page 4 but thats when a piston change was still being discussed. I want to avoid that and just keep the stockers so I just want to know now the 65/58 compare to eachother with my stock pistons.
 

1slow95

Founding Member
May 16, 2002
1,797
3
48
ohio
Oct 15, 2010
#145
  • Oct 15, 2010
  • #145
The AFR's would put you right around 10:1, which is good for about 15-20rwhp over a 9.3:1 CR. The 205's have 2.08" valves where the 185's have 2.02", so it's possible you still could run into piston to valve clearance problems.
 

Venom351R

Founding Member
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Oct 15, 2010
#146
  • Oct 15, 2010
  • #146
well thats something to definitely think about. 15-20 more RWHP is substantial.


Finally got a set of SVO side skits as well




 

revhead347

Apparently my ex-husband made that mistake.
20+ Year Stangneter
Jun 14, 2004
9,301
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214
Acworth, GA
Oct 15, 2010
#147
  • Oct 15, 2010
  • #147
I'd mill the Trick Flow heads to desired combustion volume. They are a much better head, and that's why they cost more money. Milling heads is cheap.

Kurt
 

Venom351R

Founding Member
Apr 27, 2002
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Oct 15, 2010
#148
  • Oct 15, 2010
  • #148
wont milling the heads increase the chances of PVC issues?
 

revhead347

Apparently my ex-husband made that mistake.
20+ Year Stangneter
Jun 14, 2004
9,301
1,643
214
Acworth, GA
Oct 15, 2010
#149
  • Oct 15, 2010
  • #149
You're going to have more PVC issues with the valve angle on the AFRs then you will with the Trick Flows. Milling isn't a huge difference.

Kurt
 

Adam95GT

New Member
Aug 14, 2006
2,564
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Burlington, NJ
Oct 16, 2010
#150
  • Oct 16, 2010
  • #150
Sorry i didnt see you ask for pics above. I didnt post before because i didnt want to clutter up your thread.



Vband installed:
View attachment 206415
 

hollywoodstang

Active Member
May 23, 2006
1,095
2
36
Oct 16, 2010
#151
  • Oct 16, 2010
  • #151
Adam95GT said:
Vband installed:
View attachment 206407
Click to expand...


WTF?! Who did the welding on your H-pipe???? Wow!~
 

Venom351R

Founding Member
Apr 27, 2002
4,548
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98
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Oct 16, 2010
#152
  • Oct 16, 2010
  • #152
revhead347 said:
You're going to have more PVC issues with the valve angle on the AFRs then you will with the Trick Flows. Milling isn't a huge difference.

Kurt
Click to expand...


I see, I'll have to look into milling then.


Thanks for the pics adam
 

revhead347

Apparently my ex-husband made that mistake.
20+ Year Stangneter
Jun 14, 2004
9,301
1,643
214
Acworth, GA
Oct 16, 2010
#153
  • Oct 16, 2010
  • #153
I can't remember now that it's page 7. Did you determine whether or not you were going to swap out the pistons? Big heads like the Trick Flows and the AFR 205s are probably going to require some sort of valve relief on the piston, whether it being new pistons or notching on the old ones.

Kurt
 

Venom351R

Founding Member
Apr 27, 2002
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Oct 16, 2010
#154
  • Oct 16, 2010
  • #154
I want to keep the stock ones and not deal with the price of block work and getting new pistons.
 

revhead347

Apparently my ex-husband made that mistake.
20+ Year Stangneter
Jun 14, 2004
9,301
1,643
214
Acworth, GA
Oct 16, 2010
#155
  • Oct 16, 2010
  • #155
I just don't see it. Big heads mean a big cam to make them work right. I can't imagine those pistons having enough valve relief. Maybe Rick could give you some advice on that. Putting a small cam in there negates the purpose of buying big heads in the first place.

Kurt
 

Venom351R

Founding Member
Apr 27, 2002
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Oct 16, 2010
#156
  • Oct 16, 2010
  • #156
well who knows maybe I'll get enough from the insurance settlement from my truck accident so I can get a truck and have some left over to do some pistons. We'll see
 

revhead347

Apparently my ex-husband made that mistake.
20+ Year Stangneter
Jun 14, 2004
9,301
1,643
214
Acworth, GA
Oct 17, 2010
#157
  • Oct 17, 2010
  • #157
Yeah, I'm sure being partially blind right now is pressing more on your mind then your pistons.

Kurt
 

Venom351R

Founding Member
Apr 27, 2002
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Oct 17, 2010
#158
  • Oct 17, 2010
  • #158
yeah slightly
 

nmcgrawj

Advanced Member
Sep 28, 2003
3,651
4
68
Indianapolis, IN
Oct 17, 2010
#159
  • Oct 17, 2010
  • #159
Whoa what happened? When did you get into an accident? Glad you're ok!
 

Venom351R

Founding Member
Apr 27, 2002
4,548
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Oct 17, 2010
#160
  • Oct 17, 2010
  • #160
Check my other thread at the top of the 94/95 talk section. Happened yesterday after noon.
 
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