----- Original Message -----
From: <HIGHKIX4@aol.com>
To: <kwhcpa@addler.net>
Sent: Wednesday, September 27, 2000 9:20 AM
Subject: Re: 2.5" flowmaster on U20?
> A 2.5 flowmaster will be real loud on a roadster, and you will have to
> spend some money on reducers and stuff, as 2 inch is as big as will go through
> the frame. I got a 2 inch system with 2 glasspacks, good ones that are 2 inch
> all the way though, and sounds about right, not quite "cop loud".
> Whole system was $103, but I also added CDM stainless steel braided flex $40
> btwn manifold and pipe. This saves the manifold or header and keeps exhaust
from
> rattling.
> Best Regards,
> Jim
> Chesapeake Va
> 67 pushrod 2L
> 72 510 wagon
Thanks Jim, I was wondering about the wisdom of a muffler that
big;
As an aside, would it be worth the effort to go 2.25"? If the
exhaust shop was to bend the tubing in such a way as to
squeeze thru the frame? Or is 2" big enough?
Here's why I ask - from my short stint on the 510 list, I gathered
that 2.25" was good for a fairly hot L4; a good barometer of L4
hotness <G> was the carbs - 38mm SUs, DGV, or stock should get 2"
pipe; another useful indicator was displacement - 2L+ or under 2L.
So here we have a 2L four cylinder, with 46mm carbs, big ports,
etc. Sounds like if it were a L-series in a 510 or whatever, 2.25"
would be the way to go.
But I know that bigger isn't always better, and don't want to overkill.
Thoughts?
Kyle
'69 2000/U20 (2")
'71 PL521/LZ22 (2")
'72 240Z/L28 (2.5")
|