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Best spark plugs for sbc 350
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11-27-2011, 11:01 AM
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#1
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Registered User
Join Date: Feb 2011
Location: Jacksonville, North Carolina
Posts: 411
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Best spark plugs for sbc 350
What does everyone recommend as the best spark plugs and wires for a sbc 350? I want to improve my engine performance
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11-27-2011, 11:26 AM
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#2
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Registered User
Join Date: Feb 2010
Location: Chester Springs, PA
Posts: 566
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Hey Devil,
I hate to sound ambiguous or smart-assed, but your question all depends on what year engine, what compression you're running with, what kind of ignition you have, etc. Little more information on your combo and we can help you out.
Thank you for doing what you do! Oohrah!
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11-27-2011, 11:50 AM
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#3
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Registered User
Join Date: Feb 2011
Location: Jacksonville, North Carolina
Posts: 411
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Quote:
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Originally Posted by Scooter402
Hey Devil,
I hate to sound ambiguous or smart-assed, but your question all depends on what year engine, what compression you're running with, what kind of ignition you have, etc. Little more information on your combo and we can help you out.
Thank you for doing what you do! Oohrah!
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Lol didn't realize I needed all that info. To be honest I dont know what year it is or the compression. I know I'm running an msd ignition. Thank you.
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11-27-2011, 01:12 PM
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#4
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just a jeep guy
Join Date: Jul 2006
Location: , Il.
Posts: 6,394
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Narrow it down a little.
1. Fuel injection, TBI or MPFI, or carburetor.
2. Serpentine belt.
3. Hold down bolts, around the outside of the valve cover. Or in the center.
Whats in it now?
Bill
__________________
1957 WILLYS pickup, needs work.
1973 J 4000,
1978 CJ7 DD.
1979 CJ7 360, TH400/Quadratrac trail Jeep.
1979 J20
1980 CJ5 trail Jeep.
1983 CJ7 pretty weekend and sometimes to work Driver in the summer, My first rebuild, if the Q-trac and 5 are broke, this one is the one to take. its just as capable as the other 2, except nice paint.
1984 Grand Wagoneer, 1 ton axles, great 360/727, and a big a$& tree fell on it .
1989 YJ the CJ to YJ conversion.
2005 TJ Rubicon.
2011 Grand Cherokee Laredo 4x4, Mrs. LUCDOG's DD.
Lots of parts not for sale, i'm a hoarder.
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11-27-2011, 02:37 PM
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#5
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Registered User
Join Date: Feb 2011
Location: Jacksonville, North Carolina
Posts: 411
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Quote:
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Originally Posted by lucdog
Narrow it down a little.
1. Fuel injection, TBI or MPFI, or carburetor.
2. Serpentine belt.
3. Hold down bolts, around the outside of the valve cover. Or in the center.
Whats in it now?
Bill
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It has a Holley carb . Volts around the center. It has ac delco plugs in it now
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11-27-2011, 03:20 PM
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#6
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just a jeep guy
Join Date: Jul 2006
Location: , Il.
Posts: 6,394
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Since you have a iphone, post some pictures of the engine, showing the belt(s), Valve covers.
Whats wrong with the plugs you have?
__________________
1957 WILLYS pickup, needs work.
1973 J 4000,
1978 CJ7 DD.
1979 CJ7 360, TH400/Quadratrac trail Jeep.
1979 J20
1980 CJ5 trail Jeep.
1983 CJ7 pretty weekend and sometimes to work Driver in the summer, My first rebuild, if the Q-trac and 5 are broke, this one is the one to take. its just as capable as the other 2, except nice paint.
1984 Grand Wagoneer, 1 ton axles, great 360/727, and a big a$& tree fell on it .
1989 YJ the CJ to YJ conversion.
2005 TJ Rubicon.
2011 Grand Cherokee Laredo 4x4, Mrs. LUCDOG's DD.
Lots of parts not for sale, i'm a hoarder.
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11-27-2011, 03:59 PM
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#7
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Registered User
Join Date: Feb 2011
Location: Jacksonville, North Carolina
Posts: 411
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Quote:
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Originally Posted by lucdog
Since you have a iphone, post some pictures of the engine, showing the belt(s), Valve covers.
Whats wrong with the plugs you have?
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I'll do that right now. I just want to put a good set in. I'm doing a tune up on it.
Sent from my iPhone using JeepForum
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11-27-2011, 04:01 PM
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#8
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Registered User
Join Date: Feb 2011
Location: Jacksonville, North Carolina
Posts: 411
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Sent from my iPhone using JeepForum
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11-27-2011, 05:09 PM
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#9
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just a jeep guy
Join Date: Jul 2006
Location: , Il.
Posts: 6,394
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From your pictures, I'd say pre 1986/87 on he engine. It could go back to 1968/69. It could have come from a car or truck. I have always had good luck with AC plugs. Most guys here seem to say, just use a standard plug, and not the fancy,gold filled iridum whatever ones.
If you did a search on SBC head identifcation you could find out more, If I were looking for new plugs for your engine. I'd search Autozone or a place similar, for a plug for a 1980 impala with a 350. Then 1972 pickup truck. and a couple others, see what you come up with.
If its running good with what you have stick with them.
The distributor looks like a standard GM unit with the coil on the cap.
You have way too much rubber hose for fuel line, steel is better, Given the location of the line pre filter, you could have a electric fuel pump. Carb'ed 350's have the mechanical pump under and down from the alternator.
Bill
Bill
__________________
1957 WILLYS pickup, needs work.
1973 J 4000,
1978 CJ7 DD.
1979 CJ7 360, TH400/Quadratrac trail Jeep.
1979 J20
1980 CJ5 trail Jeep.
1983 CJ7 pretty weekend and sometimes to work Driver in the summer, My first rebuild, if the Q-trac and 5 are broke, this one is the one to take. its just as capable as the other 2, except nice paint.
1984 Grand Wagoneer, 1 ton axles, great 360/727, and a big a$& tree fell on it .
1989 YJ the CJ to YJ conversion.
2005 TJ Rubicon.
2011 Grand Cherokee Laredo 4x4, Mrs. LUCDOG's DD.
Lots of parts not for sale, i'm a hoarder.
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11-27-2011, 06:14 PM
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#10
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Registered User
Join Date: Feb 2011
Location: Jacksonville, North Carolina
Posts: 411
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Quote:
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Originally Posted by lucdog
From your pictures, I'd say pre 1986/87 on he engine. It could go back to 1968/69. It could have come from a car or truck. I have always had good luck with AC plugs. Most guys here seem to say, just use a standard plug, and not the fancy,gold filled iridum whatever ones.
If you did a search on SBC head identifcation you could find out more, If I were looking for new plugs for your engine. I'd search Autozone or a place similar, for a plug for a 1980 impala with a 350. Then 1972 pickup truck. and a couple others, see what you come up with.
If its running good with what you have stick with them.
The distributor looks like a standard GM unit with the coil on the cap.
You have way too much rubber hose for fuel line, steel is better, Given the location of the line pre filter, you could have a electric fuel pump. Carb'ed 350's have the mechanical pump under and down from the alternator.
Bill
Bill
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Bill your exactly right. I do have an electric fuel pump. But is that the best way or is mechanical more efficient?
I'll see what I can get from autozone tomorrow in regards to the plugs.
Sent from my iPhone using JeepForum
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11-27-2011, 06:20 PM
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#11
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just a jeep guy
Join Date: Jul 2006
Location: , Il.
Posts: 6,394
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It depends on the quality of the electric pump. I've had mechancial pumps run for Years without problems. Most likley any mech. pump for a Chevy 350 PRe 1985, would work. Yours either still has the pump on it, or a block off plate
I forgot about the plug wires. You get what you pay for. Check Summittracing.com. I'd look for a mid priced or better set. Cut to fit are best, that way there;s not a bunch of wire lying around.
I like to talk to a actual person when ordering stuff.
Go to post 5 for the location of a SBC fuel pump. http://www.jeepforum.com/forum/f8/bi...al-bs-1286531/
Bill
__________________
1957 WILLYS pickup, needs work.
1973 J 4000,
1978 CJ7 DD.
1979 CJ7 360, TH400/Quadratrac trail Jeep.
1979 J20
1980 CJ5 trail Jeep.
1983 CJ7 pretty weekend and sometimes to work Driver in the summer, My first rebuild, if the Q-trac and 5 are broke, this one is the one to take. its just as capable as the other 2, except nice paint.
1984 Grand Wagoneer, 1 ton axles, great 360/727, and a big a$& tree fell on it .
1989 YJ the CJ to YJ conversion.
2005 TJ Rubicon.
2011 Grand Cherokee Laredo 4x4, Mrs. LUCDOG's DD.
Lots of parts not for sale, i'm a hoarder.
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11-27-2011, 06:29 PM
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#12
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Registered User
Join Date: Apr 2011
Location: madison, wi
Posts: 242
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your electric choke is not hooked up either, just cranked open.
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11-27-2011, 06:45 PM
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#13
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Registered User
Join Date: Sep 2011
Location: Foresthill, CA
Posts: 692
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Yeah, regular AC or Autolite plugs. You could try Autolite Platinum if you get a deal on them but I would not use the Bosch Platinum.
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11-27-2011, 06:55 PM
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#14
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Registered User
Join Date: Jan 2011
Location: Carson City, Michigan
Posts: 403
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Just take 1 of your current plugs and have them cross it to a good 'ol AC Delco plug (if it's not already an AC)
__________________
'76 CJ5
434 pump gas SBC with an NX/HVH plate system
th350/Coan 5,000 converter/Dana 300 tcase
Dana 30 front with 4.56's/Dana 44 rear with 4.88's
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11-28-2011, 06:52 AM
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#15
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Registered User
Join Date: Nov 2007
Location: Alabama Roll Tide
Posts: 1,025
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I use Autolite in my SBC. They are copper core and do not cost more.
AC charges more for the copper core.
Jeff
__________________
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