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Old 01-26-2023, 02:18 PM   #14
Yamariv
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Join Date: Oct 2022
Location: Regina, Saskatchewan
Posts: 343
Re: Need a quality US Made HEI recommendation for my 250 I6

Quote:
Originally Posted by geezer#99 View Post
Before you waste the family fortune buying another distributor, consider this.
Your running symptoms indicate a cold carb and intake.
Is your heat riser valve working?
I originally thought it my be the engine starved for fuel as well but have played around with the choke when this happens and it doesn't matter where the choke is, on or off ( I have a manual choke now). The symptoms are very instant and abrupt when it stalls, it kinda bucks once and the engine instantly dies like the key was turned off. If the engine doesn't die, it's kind of like a random buck then back to normal driving. Very weird..

I've attached pics of the heat riser valve, not sure how to test it. Is it just spring operated and the spring closes on it's own when warm?
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1971 Chev C10 - 250ci L6 w/3 speed on the floor

Upgrades: Power Steering
3 Core Radiator
7 Hole Gauge Cluster
Power Brakes (Incoming!!..)
1971 350 (Incoming!!..)
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