MG Sports Cars

engine swaps and other performance upgrades, plus "factory" and Costello V8s

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Spitfire 350
Phil McConnell
Perrysburg, OH (Toledo area)
(257 posts)

Registered:
01/11/2010 09:19PM

Main British Car:
74 Spitfire 350Chevy

authors avatar
Re: New Toy - Rat Rod 68 MGB-GT - Pictures!
Posted by: Spitfire 350
Date: May 09, 2011 02:14PM

The exhaust going forward is common practice on Kit Cobras, but I don't remember if they pointed up or down. I believe this usually done to set the engine as far back as possible.


DiDueColpi
Fred Key
West coast - Canada
(1367 posts)

Registered:
05/14/2010 03:06AM

Main British Car:
I really thought that I'd be an action figure by now!

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Re: New Toy - Rat Rod 68 MGB-GT - Pictures!
Posted by: DiDueColpi
Date: May 09, 2011 03:55PM

I wouldn't call it common.
But it fits and it works, so why not.
From a performance standpoint.
The exhaust doesn't have to do that nasty turn coming out of the head. So you end up with slightly better flow.
My only concern would be the mounting.
The exhaust is coming off the engine like a big pair of wings.
Any vibration or movement of the engine on its mounts is going to break something.
Put in some flex couplings and be happy for the rest of your life.

Cheers
Fred


mgb260
Jim Nichols
Sequim,WA
(2465 posts)

Registered:
02/29/2008 08:29PM

Main British Car:
1973 MGB roadster 260 Ford V8

Re: New Toy - Rat Rod 68 MGB-GT - Pictures!
Posted by: mgb260
Date: May 09, 2011 11:23PM

Factory Five Cobra used ordinary shorty headers pointing forward/down and J pipe.



Edited 1 time(s). Last edit at 05/11/2011 01:08AM by mgb260.
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