Maybe I should look into modifying the Hookers. They sit about that much
below the frame and the current set tucks in nicely. I'd have to dyno
test them to be sure, but with equal length and big tubes they may be as
good as anything out there. My seat tells me they are worth some HP.
-----Original Message-----
From: toodamnfunky@comcast.net [mailto:toodamnfunky@comcast.net]
Sent: Friday, May 04, 2012 12:48 PM
To: Bob Kramer
Cc: George Harmuth; fot@autox.team.net
Subject: Re: [Fot] Fot Digest, Vol 66, Issue 9-Stahl header
We ( TR4 drivers ) really need a good header fabricator. My dealings
with Stahl have been less than
satisfactory. They don't normally build TR4 headers so you kind of have
to catch them at the right moment
to get it done. I'm quite certain the next set I need I'll build myself.
jim g
_____
From: "Bob Kramer" <rkramer3@austin.rr.com>
To: toodamnfunky@comcast.net
Cc: "George Harmuth" <harmug@us.ibm.com>, fot@autox.team.net
Sent: Friday, May 4, 2012 11:40:39 AM
Subject: Re: [Fot] Fot Digest, Vol 66, Issue 9-Stahl header
I have a couple of equal tube length Hooker headers that seem to work
really well on my car but stick out the bottom too far. I've bounced
them off the floor and cracked them a few times. I switched what may be
a Monza because I had it floating around the garage. I noticed the power
loss. Thankfully Road Atlanta allowed a lot more momentum carrying than
TX World. I should probably source a new TR4A header rather than
scrounge up used stuff.
Sent from my iPhone
On May 4, 2012, at 10:40 AM, toodamnfunky@comcast.net wrote:
> Go with the ceramic coating, there is no justification other than
budget to not coat it.
>
> They all claim to improve the flow. My experience with Stahl is mixed
for the TR4/IRS.
>
> I had to mo dify my frame ( not so for the live axle car ) The general
weld and bend quality
>
> was good but fit up to the head was poor. Mine is coated inside & out
and engine bay
>
> temps were reduced.
>
> just my .02
>
> jim g
>
>
>
> ----- Original Message -----
>
>
> From: "George Harmuth" <harmug@us.ibm.com>
> To: fot@autox.team.net
> Sent: Friday, May 4, 2012 6:38:17 AM
> Subject: Re: [Fot] Fot Digest, Vol 66, Issue 9-Stahl header
>
> "the use of a Stahl in a Spitfire also requires some pretty
> good changes to the frame and right-side suspension upright.
>
> Thanks for the info everyone. My bell housing has a large notch in it
and
> the frame rail looks like the flange was beat into submission sometime
in
> the distant past. I'll bet there was a Stahl header installed by a PO.
If
> not, I have a good start on the mods to put one on now.
> Follow up question, ceramic coating or not? My thinking is not to
coat, let
> the gas cool quickly and contract, reducing the volume and back
pressure.
> Less pressure == better flow?
>
> thanks
> mike h
>
> G. Michael Harmuth
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