[DeTomaso] Port matching heads to headers?

[Mike Drew]

Dan,

Okay, this then leads to the obvious question: have there been any tests of the two designs back to back to see if the one is worth 3x the cost of the other? Does the cheap one work just as well, or almost as well?

Mike

Sent from my iPad

> On Mar 23, 2018, at 11:28, Daniel C Jones <daniel.c.jones2 at gmail.com> wrote:
> 
>   The expensive individual inserts.A A A  Dan
> 
>   On Fri, Mar 23, 2018 at 12:34 PM, Mike Drew <[1]MikeLDrew at aol.com>
>   wrote:
> 
>   Dan,
>   Are you speaking of the cheap flat tongue inserts or the expensive
>   round ones?
>   [2]http://www.mpgheads.com/port_plates_a.php
>   Mike
>   Sent from my iPad
>   On Mar 23, 2018, at 09:43, Daniel C Jones
>   <[3]daniel.c.jones2 at gmail.com> wrote:
> 
>     I found that a set of the exhaust port tongues revised the shape of
> 
>   A A my stock 4V head ports to a pretty nice match to the headers.
>   A A CHI 4V heads have 4V ports only on the intake side.A A The exhaust
>   side
>   A A is not 4V and I wouldn't try to run a port stuffer.A A On iron 4V
>   heads,
>   A A we have seen an increase in average power with the MPG Stinger type
>   A A inserts on both Pantera shorty and Mustang long tube headers.A
>   A Peak
>   A A power didn't necessarily increase but the low and mid range picked
>   up.
>   A A Dan Jones
> 
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> References
> 
>   1. mailto:MikeLDrew at aol.com
>   2. http://www.mpgheads.com/port_plates_a.php
>   3. mailto:daniel.c.jones2 at gmail.com
>   4. mailto:DeTomaso at server.detomasolist.com
>   5. http://server.detomasolist.com/mailman/listinfo/detomaso
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