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Trevor Jones big-bore exhaust query

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Trevor Jones big-bore exhaust query #1 This topic is about my 1955 MG Magnette ZA
Roger17Martin Roger Martin Colchester, Essex, UK Sign in to contact 1955 MG Magnette ZA "Miss Moneypit" 1959 MG MGA 1600 1967 MG MGB GT 1969 MG Midget MkIII & more	Topic Creator (OP) Apr 16, 2024 04:07 PM Joined 8 years ago 228 Posts

I am planning to fit a Trevor Jones stainless free-flow manifold and big bore exhaust systems to my ZA.

I took delivery of the kit just after he died so I didn't get the chance to ask him about fitment.

Can anyone tell me if the silencer (muffler) mounting brackets will be in the same position relative to the floor pan as the original exhaust and so can be attached via the standard metal straps in the original position ?

Also, I can't see any rubber 'cotton reel' attachments or equivalent in the SPL.
Were the original silencers (mufflers) just bolted straight to the floor pan ? (I didn't dismantle my car).

Thanks.
Roger

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Re: Trevor Jones big-bore exhaust query #2
simon8 Simon Beyertt Rothenstein, Thuringia, Germany Sign in to contact 1956 MG MGA 1500 1959 MG Magnette ZB	Apr 17, 2024 11:36 PM Top Contributor Joined 6 years ago 889 Posts

Good morning roger,
The silence is attached with two stripes of reinforced rubber. A bit like cut out of tyres.
Sorry no pic of final assy
Next to the heatshiled you see 4 holes in the body. Each side the rubber strip it mounted to two of the holes. Hanging down a bit like a U. In the middle of the strips is another hole to attach the silencer with screw an two big washers. The silencer should have to „ears“ for this. I.e metal stripes with a hole for the screw.
I got all from Peter.
Simon

IMG_5413.jpeg 38.8 KB

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Re: Trevor Jones big-bore exhaust query #3
Roger17Martin Roger Martin Colchester, Essex, UK Sign in to contact 1955 MG Magnette ZA "Miss Moneypit" 1959 MG MGA 1600 1967 MG MGB GT 1969 MG Midget MkIII & more	Topic Creator (OP) Apr 18, 2024 08:21 AM Joined 8 years ago 228 Posts

Thanks, Simon.
That is most helpful.
Peter Martin thinks that NTG may now offer the same exhaust system with fitting kits so I will try them for parts.
My car is missing the heatshield plate so I will have to source one of those as well.
Roger

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Re: Trevor Jones big-bore exhaust query #4
enigmas Vince Stok Melbourne, Victoria, Australia Sign in to contact	Apr 18, 2024 08:24 AM Top Contributor Joined 14 years ago 2,488 Posts

You should definitely get a few "Brownie" points for the cleanliness and pristine painted underbody of your Magnette Simon. winking smiley

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Re: Trevor Jones big-bore exhaust query #5
Wray Wray Lemke ., SC, USA Sign in to contact 1956 MG MGA 1958 MG Magnette ZB Varitone 1973 MG MGB 1974 MG MGB GT & more	Apr 18, 2024 09:55 AM Top Contributor Joined 22 years ago 17,556 Posts

In reply to # 4786513 by enigmas You should definitely get a few "Brownie" points for the cleanliness and pristine painted underbody of your Magnette Simon. winking smiley

No kidding. Wish the underside of my car looked that perfect.

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Re: Trevor Jones big-bore exhaust query #6
simon8 Simon Beyertt Rothenstein, Thuringia, Germany Sign in to contact 1956 MG MGA 1500 1959 MG Magnette ZB	Apr 19, 2024 12:07 AM Top Contributor Joined 6 years ago 889 Posts

Thanks…
I guess i had luck with the body being in rather good shape in those areas.
Plus my rotary device helped alot to allow proper spraying.

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Re: Trevor Jones big-bore exhaust query #7
enigmas Vince Stok Melbourne, Victoria, Australia Sign in to contact	Apr 19, 2024 02:06 AM Top Contributor Joined 14 years ago 2,488 Posts

Now you're just showing off Simon! winking smiley

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