Larger exhaust

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Martlin
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Posts: 48
Joined: Wed May 08, 2019 4:32 pm
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Larger exhaust

Post by Martlin »

I have a 1275 Ital engine,using a 1098 manifold with the inlet section cut of and replaced with a Minisport alloy item.
My question is can I use a bigger bore downpipe and upgrade the rest of the system.
Yes a LCB would be far better,but I am looking for an alternative!
Thanks for bearing with me!
Martin.
philthehill
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Location: Hampshire
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Re: Larger exhaust

Post by philthehill »

Use the Marina combined inlet/exhaust manifold with the inlet cut off.

David Vizard speaks highly of the manifold as he considers the flow to be very good.

It has larger internal diameter than the 1098cc manifold and pipes are available to fit the Minor.

https://www.morrisminorspares.com/engin ... el-p830087
Marina manifold 1.jpg
Marina manifold 1.jpg (118.55 KiB) Viewed 796 times

paul 300358
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Location: South Cheshire
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Re: Larger exhaust

Post by paul 300358 »

I have a 1098. Following Phils advice I got the Marina manifold. I fitted the down pipe from ESM but did need to fettle it, I then fitted a 1.75 exhaust system. It made a real difference.
You could get the manifold and then take the car to some where like https://www.304stainlessexhaustparts.com/ who will produce and fit the full exhaust. Probably cheaper than a off the shelf and would be fitted for you.
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