Another Carb ID

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Bad Sport

HALF A BUBBLE OFF
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I have this Holley, I believe it to be a 650 DP. There is no choke horn (came that way), no visible signs of milling it off, if they did, it was done very well, lol.

Numbers on the bottom are 4777 2.

That's all I can find on it.

Is this part of the 4150 family? I need to get a kit for it.


View attachment 650 DP top.jpg

View attachment 650 DP bot.jpg

View attachment 650 DP number.jpg


Holley tech line is useless, can't ever get through. Leave my number, they never call back. :banghead:
 
Hi Yep that is a 650 double pumper, and yes someone has milled off the choke horn. You can see in the pics where it used to be.
 
Hi Yep that is a 650 double pumper, and yes someone has milled off the choke horn. You can see in the pics where it used to be.

Well, if they did, they did one hell of a job, there is not one tool mark on it. It is perfectly flat/square and looks as though it was made that way.

Thanks
 
Yes, 4777-2 is a Holley 650 DP.
 
Bruce, whatchya want fer it? That might work good on RobKat.
 
Must have been a popular mod to the 4777s

I have a 4777-3 that was de-choked and blended.
Ran awesome on a 340-4sp Dart I had in the 90's

In fact I have 2 but the other has a broken base plate ear.
 
FINALLY I got through to Holley.

This particular carb was modified by and aftermarket company, Holley sold main bodies in bulk to them and they were then milled down.

Hence the professional looking job.
 
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