Talk Morgan Forums Morgan Sports Cars Classic Morgans (pre-CX) Monty Gets Further Developments

The development of Monty continues at pace, here's how to get individual throttle body (ITB) response and sound without all the ITB negatives and headaches

Start with long runners from Fusion Fabrications to add torque, rather than taking it away as is always the way with short runner inlet ITB setups.



Then implant four bell mouth velocity stacks inside the plenum for that glorious throttle body sound and use the plenum as a sound box to aplify the aural joy.



Now add Newman Phase 2 cams so Monty breaths deep from 2,500rpm all the way to 7,200rpm.



Next give the 2.0 Duratec lump a much faster rate of acceleration using a 3.2kg steel flyweel from Titan so the engine can now come up on the cam nice and quicky.



Coplete the aural pleasure with an AEM DryFlow filter and custom built Super Sports manifold with 200 cell cat and sports silencer also from Fusion Fafrications.







Finish the job off with a Plug & Play (PnP) EMU Black stand alone ECU from Ecumasters to get the best from the setup.

End up with plenty of power.



But with heaps of usable torque right where you need and use it on the road.



Make lovely noises to put a smile on your face

https://www.youtube.com/shorts/UzKMKOA3qGI

Job done, well not quite yet actually

Very nice work.

I thought aural pleasure was something else entirely

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Monty's upgrade looks fantastic and very interesting. I'm contemplating something similar. Quick question, as I'm new too Morgan and the Ford Duratec engine?

General question?: With regard to motorway cruising, rather than just accelerating:-

My engine is currently stock, runs very smoothly up until 3000rpm, but at round 3500rpm it seems mechanically harsh, or perhaps I would describe it as more of a resonance.
Its very noticeable as the engine moves above 3000rpm, certainly not a linear change.
Is this typical with the Duratec?

Otherwise the engine seems fine, has only 27000 miles and is in good order. No issues found with an OBD reader.

Could it be purely mechanical .... the engine twisting slightly in it's mountings as it works harder allowing something like the exhaust to touch the body/chassis?

K

The exhaust touching the chassis seems a good place to start.
Thanks.

The car also has SSL suspension front and rear, although I can't think how this could cause resonance.

If this occurred at 4500rpm+ you might expect it, but 3500rpm is quite gentle imo.

Give everything attached to the engine a good 'wiggle' especially air boxes / filters, sometimes tapping things with a rubber hammer will show up a rattle like loose baffles in silencers, also look at the exhaust bobbins as they often look ok but have delaminated between rubber and the metal flange face