novicebuilder
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| posted on 15/6/14 at 07:28 PM |
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Must I keep the automatic choke on a Sierra CVH engine?
Now working on the inlet manifold from my donor Sierra CVH engine for my Haynes roadster. As I am keeping it Locost, I plan to use all the original
components. I appreciate there are better engines and better carburettor options but for now I just want to complete the build with my donor parts.
I have cleaned and inspected all the parts. The 1991 CVH is fitted with a Pierburg 2V carburettor and has an automatic choke. One of the hose
attachments from the automatic choke has corroded and broken off. I can TIG weld another aluminium pipe on if needed, or source a replacement part,
but I wondered about leaving the automatic choke out altogether and blanking off the relevant pipe feed from the hot water system. so the car would
have no choke at all. The car is intended for road use only.
I have no idea whether this is a good, or a bad idea and grateful for advice from those who know? Many thanks
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mackei23b
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| posted on 15/6/14 at 07:36 PM |
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I know many moons ago I converted my escort cvh to a manual choke with a conversion kit.
Cheers
Ian
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CosKev3
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| posted on 16/6/14 at 09:14 AM |
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The worst that could happen is you would need to use the throttle to get the car started from cold,I can't see it starting or idling from cold
with no choke just turning the key.
Would just need to hold the throttle at a high idle speed until it will idle on its own.
Manual choke conversion would be the best fix as above 
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mcerd1
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| posted on 16/6/14 at 11:33 AM |
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most autochokes I've dealt with can be a bit temperamental anyway - so I'd always go for a manual choke
if you can't find a conversion kit for your carb's then it shouldn't be too hard to make something up to do the job...
[Edited on 16/6/2014 by mcerd1]
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