XR8XTC

Ive just bought a holley 650 dp to put on my mild cleveland. I was just wondering is it worth removing the elec choke, choke butterflies and milling down the choke throat for extra airflow? or will that be a waste of time on only a mild engine.

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My car is powered by FORD 5.8
To avoid breathing difficulties during hard acceleration, it is recommended that female passengers should remove all tight fitting undergarments before entering the vehicle!

Racer

Its a complete waste of time that will give you no end of cold start drivability issues.

ch7472

I have to agree with you on that its one thing i wish i had never done.

brenx

I've got the choke horn but no butterflies. I've got no real cold start issues. It idles dead cold after 30-60sec of running.

It's not necessary to do. I wouldn't do it unless you feel the need to waste some money. If you've got the $ to waste? I'll have them

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XB Fairmont (street car) 11.07@123.02mph.

GammaBoy

I'm with brenx, no probs after its been running 30+ sec... Before I had my Proform main body, I had to chop the choke tower because of lack of clearamce between it and the K&N X-Stream lid, except i did it with a hacksaw, 4" angle grinder and a dremel, just hacked the tower off with the hacksaw and grinder, and then cleaned it up with a sanding drum on the dremel..... for me it made a big difference :D
Biggest hassle is having to plug the vac port that hides under all the choke crap on the side of the body... i got a tapered plug from a crab shop guy and hammered it in...

Racer

You two above must have overly rich idles - if you dont have cold start issues.

brenx

Idles 13:1 A/F

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XB Fairmont (street car) 11.07@123.02mph.

XFFAIRMONT

Must be what has been done to my carby. It has been modified with the choke tower cut off and no choke. It will not sit idling properly untill the car has got pretty much to running temp sometimes.

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Just love that V8 sound, rumble, music!

STROKEXD

Also have never used a choke on a Holley. If the cam is lumpy your idle should be on the rich side anyway to smooth it out. Never had cold start or idling issues.

So my choke housing got the flick same method as GammaBoy and I've had a better ride ever since - more mumbo.

If your cleaner lid sits low because you have a recessed base you may find that there is only a 5-10mm gap between the choke housing and lid. Now I can't see that being too good for flow.

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Racer

Way way way to rich for idle. You want closer to 14.6