Welcome, Guest. Please login or register.
November 16, 2018, 01:39:59 am

Login with username, password and session length
Team Z Motorsports
Tech Section
* SBFTECH Membership Required *
435277 Posts in 37275 Topics by 9537 Members
Latest Member: Mgabski
Search: Advanced search
Advertiser Inquiries
+ My Community
|-+ Small Block Talk
| |-+ Small Block Windsors
| | |-+ 351W Small Blocks
| | | |-+ Which heads starting
0 Members and 1 Guest are viewing this topic. « previous next »
Pages: [1] Go Down Print
Author Topic: Which heads starting  (Read 1172 times)
al2
Big Block
*****
Offline Offline

Posts: 1720


Location: fort worth,tx.

« on: November 05, 2017, 09:17:08 pm »

Starting a new street car project been collecting parts. Will be a 408 Windsor  have 3 different sets of heads all are almost new. 192 high ports, 170 twisted wedges and AFR 185   Thinking about running E85 so will be around 12 to 1 with around a .580 lift mech flat tappet. Rotating assembly all forged o balance full studded block. Which head will make the most power. I am leaning towards the high ports.
Logged
juiced coupe
Six figures worth of don't give a f*ck
Global Moderator
Big Block
*****
Offline Offline

Posts: 8394


Location: Pascagoula, MS
The land mass between New Orleans and Mobile


« Reply #1 on: November 06, 2017, 07:53:55 am »

Out of the box, they will likely be close. Very close.

If porting them is in the future, the High Ports. But the Twisted Wedge heads also do very well in ported form.
Logged

Doing more with less, or something like that.
http://sbftech.com/index.php/topic,20009.0.html

Quote from: Monte Smith
Bottom line, if it was the hot ticket, the fast guys would do it.............they don't

You might need some Titanium rods and a flow bench!  LMAO on floor

I honestly don't get it.

I'm sweating, my heart is racing, my clutch foot is twichin', and my right arm punched the computer screen doing an involentary 2-3 shift while reading all that. 
scienceguy
Big Block
*****
Offline Offline

Posts: 2453


Location: West Virginia

« Reply #2 on: November 06, 2017, 11:00:58 am »

I'd use the high ports.  Porting the high ports is a lot more intuitive.  They exhausts are easy to get started on, as they are seriously necked down for stock exhaust. (at least the oldest versions of the high ports)

If you don't plan on ever doing anything to the heads, it will be close between the AFR 185 and the High Ports.  I'd probably give a slight edge to the AFR, as they are factory ported.  With ANY port work at all, I'd go with the high ports.

The Twisted Wedges will require some work, and they aren't quite as intuitive to port.  I did mine, and they run good, but I was stuck with needing stock height headers.  The high ports are raised 3/4", and wouldn't work. 

Logged

1966 Mustang, Toploader 4-speed
Pump Gas, Flat Tappet 306
9.88 @ 135.67
Pages: [1] Go Up Print 
« previous next »
Jump to:  



Powered by MySQL Powered by PHP Valid XHTML 1.0! Valid CSS!
Powered by SMF 1.1.21 | SMF © 2015, Simple Machines



408 Stroker