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RED ROCKET
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8,635 Posts
Discussion Starter · #1 ·
brothers vette has a 10.1 comp 350,decent hitting street cam,(hydraulic)victor jr with a 750hp carb.it has a 150 shot on it as well.it has unported trickflow alum heads on it.truly a street car on pump fuel..what plug does it neeed?.he was sold some ngk 5872a-9 and it fouled them out within 10 minutes...

and idea what a hp 750 dp carb would need for jets on this mild of a motor?if i was to guess its around 350hp on motor.

thanks for any help.
 

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EFI/N2O JUNKIE
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18,047 Posts
The wifes car has a 10.4:1 SBC 383 with small AFR heads, hit it with a 125hp shot once in awhile, run super unleaded, AC FR2LS plugs (extended tip), never had a problem with that motor.
 

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RED ROCKET
Joined
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8,635 Posts
Discussion Starter · #3 ·
never even heard of that plug number.LOL..i need a simple number the local autoparts store can give me a plug for.they stock the ngk stuff.
 
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