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Mk 2 tubular header modified for 8 port heads

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Mk 2 tubular header modified for 8 port heads
#1
jefferygt jeffery Ee
vantucky, WA, USA   USA
1968 Triumph Spitfire MkIII
My friends son is modifying a nice exhaust header I have to fit my 1300. It had already been ceramic coated. Oh well.
Next step he will add the tabs for mounting.

Looks great!!!!

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Attachments:
IMG950222.jpg    41.9 KB
IMG950222.jpg

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Re: Mk 2 tubular header modified for 8 port heads
#2
lef2wander Avatar
lef2wander Gold Member James Thomas
Hatfield, MA, USA   USA
1979 Triumph Spitfire 1500
1979 Triumph Spitfire 1500 "Trixie"
Sweet!

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Re: Mk 2 tubular header modified for 8 port heads
#3
Tonyfixit Avatar
Tonyfixit Tony M
Duncan, BC, Canada   CAN
1974 Triumph Spitfire 1500
I did the same.
A 6 port 1147 header on my 8 port 1500.
I think it works very well. Definitely more low to mid range 'grunt' than the Monza 4-1.

They used very heavy gauge flanges on those headers!

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Re: Mk 2 tubular header modified for 8 port heads
#4
gfe05111952 Avatar
gfe05111952 George Earwaker
Falls Church, VA, USA   USA
1967 Triumph GT6
1967 Triumph Spitfire MkII
1968 Triumph Spitfire MkIII
Nice workmanship!


George
1967 Triumph GT6
1967 Triumph Spitfire4 Mk2
1968 Triumph Spitfire Mk3

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Re: Mk 2 tubular header modified for 8 port heads
#5
79bluespit Avatar
79bluespit Rick Lazio
Burlington, ON, Canada   CAN
1979 Triumph Spitfire 1500
Awesome looking workmanship. Make sure flange is same thickness as stock. Looks thick in the pic.

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Re: Mk 2 tubular header modified for 8 port heads
#6
Tonyfixit Avatar
Tonyfixit Tony M
Duncan, BC, Canada   CAN
1974 Triumph Spitfire 1500
As I remember the flange on the Monza header was thinner than the twin HS4 inlet manifold I was using.
I had to gring the lozenge shapped retainers to clamp both manifolds.

When I switched to the 1147 header, I had the opposite problem.
I used angle cut sections of stainless steel pipe to set the retainers at an angle and maintain even clamping pressure on both manifolds.

The 1147 flange IS very thick.

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