best spark plugs? - The 1947 - Present Chevrolet & GMC Truck Message Board Network

ocbaud · 03-16-2004, 02:46 PM

okay, what would the best performing spark plugs be for me?

**swervin ervin** · 03-16-2004, 03:07 PM

NGK's

ocbaud · 03-16-2004, 03:17 PM

Quote:

Originally posted by swervin ervin
NGK's

model number?

**swervin ervin** · 03-16-2004, 03:22 PM

Don't know. What plug does Holley recommend for the heads? I can cross reference them.

ocbaud · 03-16-2004, 03:47 PM

Champion #C61C

**swervin ervin** · 03-16-2004, 04:11 PM

NGK stock number is 7382, plug number is R5671A-9.

ocbaud · 03-16-2004, 04:14 PM

thanks. i'll add that to the list along with lots of oil and gas to fire the thing up

Low83 · 03-16-2004, 04:57 PM

AC RAPIDFIRES.

*1FaastC10* · 03-16-2004, 05:25 PM

Quote:

Originally posted by Low83
AC RAPIDFIRES.

yeah, what he said!

gchemist · 03-16-2004, 07:32 PM

NGK's get my vote.

stepside454 · 03-16-2004, 07:51 PM

Ive always had best luck with Autolites. I know I know. but its true, what can I say

ocbaud · 03-16-2004, 08:42 PM

how much are those ngk's? i really dont wanna spend a ton or money on them

apstguy · 03-16-2004, 08:50 PM

Dude, you've gone this far don't cheap out.

ocbaud · 03-16-2004, 09:03 PM

Quote:

Originally posted by apstguy
Dude, you've gone this far don't cheap out.

i'm not paying 10 bucks a plug

71-longbed · 03-16-2004, 09:21 PM

ngk's are usually about 1.50 apiece ... autolites about 99 cents

ocbaud · 03-16-2004, 09:32 PM

thats a good price

toytruck · 03-16-2004, 11:34 PM

I run NGK R5671A-7 with my Dart Pro1's. Best plug out there.

cochran63 · 03-17-2004, 10:41 PM

with my darts i run autolites and they seem to perform better than the other brands i have tried.

Tom · 03-17-2004, 10:55 PM

BEST plugs? Denso iridium's. Proven 1-3hp gain over stock good condition plugs on our v6 hondas. 1-2mpg better too. Are they worth it? No. A/C delco's are the way to go IMO.

*1FaastC10* · 03-17-2004, 11:06 PM

Tom, the Denso Iridium plugs may be great in the Hondas, i'll give them that. i sold quite a few of them when i was slinging parts, and the guys working on newer imports loved them. however, there are a few things you have to take into consideration... the techniology that Eric is using in his truck. the induction system isnt your typical import multi point fuel injection, with high fuel pressure. he's running a carb, and around 9psi at most. another thing is the ignition system, yes he's using MSD if i remember correctly (which is probably the best ignition manufacturer on the market, hands down) but its a far cry from the coil over plug setups common in today's cars. its not uncommon for factory cars to put out 80,00-100,000 volts, vs the 60,000 or so that Eric will be running. i'd go with a platinum plug if i wanted to go with anything other than the standard style plugs.

79BIG10 · 03-18-2004, 09:07 AM

NGK here as well

chevyfan420 · 03-18-2004, 11:41 AM

A/C Delco!!!

Genuine GM parts for my genuine GM truck

Trucks · 03-18-2004, 01:30 PM

I think split and triple fire plugs are a joke is it true? You would need two on each end of teh spark to make a difference right? Also isn't it your coil giving you a stronger spark?

78' Silverado · 03-18-2004, 05:17 PM

A/C Delco. I have always used them.

03-16-2004, 02:46 PM	#1
ocbaud Garage Queen Material Join Date: Oct 2002 Location: USA Posts: 4,129	best spark plugs? okay, what would the best performing spark plugs be for me?

03-16-2004, 03:07 PM	#2
swervin ervin You get what you pay for Join Date: Dec 1999 Location: Cherryville, NC Posts: 4,798	NGK's __________________ Mike 1985 Chevy C-10

03-16-2004, 07:32 PM	#10
gchemist BAD BOW-Silverado XST Join Date: May 2000 Location: Senior Member from Austin, TX Posts: 6,431	NGK's get my vote. __________________ Gerardo a.k.a. Mad Chemist Silverado XST videos

03-16-2004, 07:51 PM	#11
stepside454 Registered User Join Date: Nov 2003 Location: st. louis area Posts: 1,551	Ive always had best luck with Autolites. I know I know. but its true, what can I say __________________ 75 GMC C-15 short/step factory 454, lowered

03-16-2004, 08:50 PM	#13
apstguy LED King Join Date: Jan 2003 Location: Sacramento, CA Posts: 2,087	Dude, you've gone this far don't cheap out. __________________ Tyler 1985 C10 305 w/ Bowtie OD TH700R4 3.42 LSD 202,000 miles 2006 Ford Focus ZX3 5-speed Stick 2016 Chevy Spark EV Gone: 2002.5 VW GTI 24v VR6 Gone: 2008 VW R32

03-16-2004, 03:22 PM	#4
swervin ervin You get what you pay for Join Date: Dec 1999 Location: Cherryville, NC Posts: 4,798	Don't know. What plug does Holley recommend for the heads? I can cross reference them.

03-16-2004, 03:47 PM	#5
ocbaud Garage Queen Material Join Date: Oct 2002 Location: USA Posts: 4,129	Champion #C61C

03-16-2004, 04:11 PM	#6
swervin ervin You get what you pay for Join Date: Dec 1999 Location: Cherryville, NC Posts: 4,798	NGK stock number is 7382, plug number is R5671A-9.

03-16-2004, 04:14 PM	#7
ocbaud Garage Queen Material Join Date: Oct 2002 Location: USA Posts: 4,129	thanks. i'll add that to the list along with lots of oil and gas to fire the thing up

03-16-2004, 04:57 PM	#8
Low83 Registered User Join Date: Aug 2002 Location: Porterville,Ca. Posts: 118	AC RAPIDFIRES.

03-16-2004, 08:42 PM	#12
ocbaud Garage Queen Material Join Date: Oct 2002 Location: USA Posts: 4,129	how much are those ngk's? i really dont wanna spend a ton or money on them

03-16-2004, 09:21 PM	#15
71-longbed Its Magically Delicious Join Date: Jan 2003 Location: oregon Posts: 2,398	ngk's are usually about 1.50 apiece ... autolites about 99 cents __________________ 71 C10 LWB 350sbc -TH350 12 bolt 3.42 Posi Of all my favorite things to do, The utmost is to have a brew. My love grows for my foamy friend, with each thirst-quenching elbow bend. Beer so frosty, smooth, and cold it's paradise pure liquid gold. Yes beer means many things to me that's all for now cus I gotta pee.

03-16-2004, 09:32 PM	#16
ocbaud Garage Queen Material Join Date: Oct 2002 Location: USA Posts: 4,129	thats a good price

03-16-2004, 11:34 PM	#17
toytruck 5-7 dropped 87 CC Dually Join Date: Sep 2003 Location: bay city mi Posts: 326	I run NGK R5671A-7 with my Dart Pro1's. Best plug out there. __________________ I rather be in my 77 Sanger Picklefork Jet Hydro!

03-17-2004, 10:41 PM	#18
cochran63 Registered User Join Date: Jan 2004 Location: Oklahoma Posts: 1,057	with my darts i run autolites and they seem to perform better than the other brands i have tried. __________________ Youth soon passes away, but immaturity can last a life time.



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03-17-2004, 10:55 PM	#19
Tom driving is in my blood Join Date: Dec 1999 Location: Mesa AZ Posts: 5,748	BEST plugs? Denso iridium's. Proven 1-3hp gain over stock good condition plugs on our v6 hondas. 1-2mpg better too. Are they worth it? No. A/C delco's are the way to go IMO. __________________ -78 c10 short/step: 388cid, M20, 5/5 drop, lots more. Playtoy and first vehicle. -98 c1500 x-cab: 5.7L, 17" rims, 5/6 drop, flowmaster, helper bags,NBS rear disk brakes. -02 Suburban 4x4: leveled front -CBR600F4i, CBR600RR, CBR1000RR, and standup skis DISCLAIMER: I cant spell for the life of me.

03-17-2004, 11:06 PM	#20
1FaastC10 Account Suspended Join Date: Oct 2002 Location: Elkhart, IN Posts: 6,399	Tom, the Denso Iridium plugs may be great in the Hondas, i'll give them that. i sold quite a few of them when i was slinging parts, and the guys working on newer imports loved them. however, there are a few things you have to take into consideration... the techniology that Eric is using in his truck. the induction system isnt your typical import multi point fuel injection, with high fuel pressure. he's running a carb, and around 9psi at most. another thing is the ignition system, yes he's using MSD if i remember correctly (which is probably the best ignition manufacturer on the market, hands down) but its a far cry from the coil over plug setups common in today's cars. its not uncommon for factory cars to put out 80,00-100,000 volts, vs the 60,000 or so that Eric will be running. i'd go with a platinum plug if i wanted to go with anything other than the standard style plugs.

03-18-2004, 09:07 AM	#21
79BIG10 I'm back with 2nd truck! Join Date: Feb 2002 Location: Texas Posts: 3,774	NGK here as well __________________ 1979 Chevrolet Bonanza Big10 "Tootsie Roll" 1985 Chevrolet Silverado (wife's) Member of the Southern Bowties Club "Don't underestimate how sexy a fat man who drinks to excess can be." Homer Simpson

03-18-2004, 11:41 AM	#22
chevyfan420 Registered User Join Date: Nov 2003 Location: Ancaster, Ontario, Canada eh Posts: 95	A/C Delco!!! Genuine GM parts for my genuine GM truck __________________ 80 Chevy K10 350/350turbo 86 Chevy 1/2 ton shorty project truck 79 Chevy 1/2ton 350/350turbo not much to look at... *Retired* 97 Chevy C1500 4.3/5 speed.....daily driver

03-18-2004, 01:30 PM	#23
Trucks Is that a Chevy 69...? Join Date: Feb 2004 Location: Brownton MN Posts: 112	question I think split and triple fire plugs are a joke is it true? You would need two on each end of teh spark to make a difference right? Also isn't it your coil giving you a stronger spark? __________________ Ahhhh, the wonderful sound of a rumbling V8.

03-18-2004, 05:17 PM	#24
78' Silverado \/ My Loves \/ Join Date: Mar 2003 Location: Midland,Texas Posts: 462	A/C Delco. I have always used them. __________________ 78' Silverado - Blue - (In a Coma) 04' Silverado -Red- 383 Stroker in progress for the 78'!!!

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