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#1 |
now thats a true COON DOG
![]() Join Date: Nov 2000
Location: Franconia, NH
Posts: 1,977
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Spark Plugs
I'm getting ready to do a tune up on the 350 in my burb I was wondering what would be a good plug to run? I'm running just the standard A/C's in it now, is there a plug out there that is going to make the Ol' burb run better then she does now?
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current project 67 ![]() 71 SWB Stepside, was a 250, now is a 402 Big Block with 4 speed and 3.73's ( was crushed by a tree, bed sold, motor pulled) ![]() 72 LWB 4x4 350 4-speed 3.08's posi wearing army olive drab green (SOLD!) 68 BURB 50TH LOOKALIKE work in progress, soon to have 250-I6 with a 3-speed on the tree 4.11's and posi ( currently sitting in back yard tarped awaiting time, $$$, and lots of love!) 67 1 TON- work truck 396 sm 420 4-speed, flat bed 4.57 gears "big red" (my first landscape truck, very rusty and crusty! but still gets the job done when needed!) |
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#2 |
Resident Young Old Dude !
Join Date: Jul 2001
Location: Nevada
Posts: 1,948
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I hate CHAMPION plugs, never could get them to last any time at all in a normal warmed up small block BUT i came across their "TRUCK PLUGS" a couple of years ago and have used them ever since, I like NGK or BOSCH "platinum tipped" normally but these TRUCK PLUGS have really passed the test for me in my 350 While I was using it to play off road with, Sometimes idling for extended periods of time crawling in the rocks or sand. Now I'll give em a shot on the street.
RON |
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#3 |
now thats a true COON DOG
![]() Join Date: Nov 2000
Location: Franconia, NH
Posts: 1,977
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Thanks Ron for the repliy...............anyone else?
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current project 67 ![]() 71 SWB Stepside, was a 250, now is a 402 Big Block with 4 speed and 3.73's ( was crushed by a tree, bed sold, motor pulled) ![]() 72 LWB 4x4 350 4-speed 3.08's posi wearing army olive drab green (SOLD!) 68 BURB 50TH LOOKALIKE work in progress, soon to have 250-I6 with a 3-speed on the tree 4.11's and posi ( currently sitting in back yard tarped awaiting time, $$$, and lots of love!) 67 1 TON- work truck 396 sm 420 4-speed, flat bed 4.57 gears "big red" (my first landscape truck, very rusty and crusty! but still gets the job done when needed!) |
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#4 |
its all about the +6 inches
Join Date: Jan 2001
Location: Hilliard Ohio
Posts: 2,693
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If you run headers, and clearance is an issue, try the BOSH supers. They are pretty short, and 99 cents at Auto Zone.
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#5 |
14.1 @ 96MPH
Join Date: Jul 2001
Location: Mesa, AZ
Posts: 2,811
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I've had success with Autolites and Champions...going with Champion again simply because that's the plug Scoggin-Dickey recommends for my Vortecs.
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Project1970 - LS1 Swap Complete! ![]() |
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#6 |
now thats a true COON DOG
![]() Join Date: Nov 2000
Location: Franconia, NH
Posts: 1,977
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Champions? really? The reason I ask is because I have NEVER heard good things about there plugs other then the "truck plugs"
Autolites- Arn't those made by Ford for Ford's? ![]()
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current project 67 ![]() 71 SWB Stepside, was a 250, now is a 402 Big Block with 4 speed and 3.73's ( was crushed by a tree, bed sold, motor pulled) ![]() 72 LWB 4x4 350 4-speed 3.08's posi wearing army olive drab green (SOLD!) 68 BURB 50TH LOOKALIKE work in progress, soon to have 250-I6 with a 3-speed on the tree 4.11's and posi ( currently sitting in back yard tarped awaiting time, $$$, and lots of love!) 67 1 TON- work truck 396 sm 420 4-speed, flat bed 4.57 gears "big red" (my first landscape truck, very rusty and crusty! but still gets the job done when needed!) |
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#7 | |
Bloo
Join Date: Feb 2001
Location: Barren County Kentucky
Posts: 6,285
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ive got autolite platinum something in the 4x4, works good for me.. but i wouldnt recomend AC delco plugs for anything, i have to change them out in my grandas truck every time i start it
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ASE Master Certified-GM Trained-Mechanic 1968 Chevy C30 157" WB Wrecker 1969 Chevy CST/10 SWB 1971 Chevy Custom/10 (first truck) 350, NV3500 5 speed 1971 Chevy K20 Custom Camper 4x4 350 TBI, SM465/NP205 1974 Chevy Custom Deluxe/10 1979 Chevy Custom Deluxe K10 farm truck beater 1989 Chevy K2500 Quote:
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#8 | |
14.1 @ 96MPH
Join Date: Jul 2001
Location: Mesa, AZ
Posts: 2,811
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Quote:
Autolites...no, those are by Honeywell (formerly Allied Signal), aka the same boys who bring you Fram, Prestone, and Bendix.
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Project1970 - LS1 Swap Complete! ![]() |
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#9 |
now thats a true COON DOG
![]() Join Date: Nov 2000
Location: Franconia, NH
Posts: 1,977
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Oh cool thanks for the good news project 70! hehe
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current project 67 ![]() 71 SWB Stepside, was a 250, now is a 402 Big Block with 4 speed and 3.73's ( was crushed by a tree, bed sold, motor pulled) ![]() 72 LWB 4x4 350 4-speed 3.08's posi wearing army olive drab green (SOLD!) 68 BURB 50TH LOOKALIKE work in progress, soon to have 250-I6 with a 3-speed on the tree 4.11's and posi ( currently sitting in back yard tarped awaiting time, $$$, and lots of love!) 67 1 TON- work truck 396 sm 420 4-speed, flat bed 4.57 gears "big red" (my first landscape truck, very rusty and crusty! but still gets the job done when needed!) |
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#10 |
Jostrans68
Join Date: Mar 2001
Location: Bloomington indiana
Posts: 1,182
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I have had great luck with the autolite Plats.. and as far as FORD making them well they finally had to get something right LOL!!!!!!!!!!!!!!!:p
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![]() former 67-72 now with a 96 silverado |
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#11 |
Registered User
Join Date: Jan 2002
Location: Calgary, Alberta, Canada
Posts: 451
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I have tried many different types of plugs in my vehicles. The hands down winner in my experience has been the AC RapidFire plugs. I am currently running these in my 67, with a .045 gap. They are very responsive and smooth idling. I have also had resonably good luck with Bosch Platinum plugs - they run smooth, but feel less responsive than the Rapid Fires.
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72 C10 Cheyenne Super Full trim Factory tach dash A/C dash Factory tilt 350 / 350 power train - with Edelbrock components. |
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#12 |
Vortec 350's Suck
Join Date: Nov 2000
Location: Pickardville Alberta Canada
Posts: 544
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I second the Rapidfire vote, some of the best plugs I have ever used, in fact the best ones by far for longevity and smootheness of running. Wouldn't even bother with Bocsh, there plugs are trash, at least mine were.
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69 Chev CST 10 reg cab lwb Daily Driver: 92 Chev Reg Cab LWB Silverado 4x4, K.I.A 7:51 AM 04/22/03 Will be resurrected |
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#13 |
Registered User
Join Date: Jun 2001
Location: Springfield, MO
Posts: 1,098
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I replaced the Autolites that my grandpa used in the truck with ACDelcos and they seem to be great.
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Nick Rodenberg 72 Cheyenne 10 V8 350/TH350 white/ochre/white/ochre, ochre/saddle interior Retired and in the dry... still runs. I now drive Red '01 Ford Focus... better MPG!!! |
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#14 |
1969 Custom 30 wrecker
Join Date: Sep 2001
Location: Pottsville, Pa
Posts: 2,611
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Just regular old AC's for my vehicles. "Keep your GM car all GM"
![]() I really don't think there is a miracle plug to make your engine run any better.
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Bob 63 Impala 283/PG/3.36 (under restoration) 66 Impala 327/PG/3.36 66 Chevelle SS 409/M22/3.55 69 Chevelle 307/PG/3.08 (future restoration) 69 C10 short stepside 454/TH350/3.73 69 Custom 30 tow truck 350/4 spd/4.10 (resto done, CRUISIN TIME!) 71 Cheyenne 20 fleetside 350/4 spd/4.10 71 Chevelle 6/PG/3.08 72 Chevelle 454/M21/4.10 |
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#15 |
Senior Member
![]() Join Date: Jul 2001
Location: Hyattsville, Maryland
Posts: 3,690
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I agree with Bob.But I will never use another champion plug.I put them in my 71 a few years ago and it ran terrible.I run AC's in all of mine
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72 Cheyenne Super (Purchased new by my parents in August of 71) Black and White |
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#16 |
now thats a true COON DOG
![]() Join Date: Nov 2000
Location: Franconia, NH
Posts: 1,977
|
well sometime today when I get the chance I'm going to change the plugs! I guess I'll stick with the A/C's thats what I have always used and they always did work well for me. But this time I think I will try those rapid fires! Thanks for all ther replies!
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current project 67 ![]() 71 SWB Stepside, was a 250, now is a 402 Big Block with 4 speed and 3.73's ( was crushed by a tree, bed sold, motor pulled) ![]() 72 LWB 4x4 350 4-speed 3.08's posi wearing army olive drab green (SOLD!) 68 BURB 50TH LOOKALIKE work in progress, soon to have 250-I6 with a 3-speed on the tree 4.11's and posi ( currently sitting in back yard tarped awaiting time, $$$, and lots of love!) 67 1 TON- work truck 396 sm 420 4-speed, flat bed 4.57 gears "big red" (my first landscape truck, very rusty and crusty! but still gets the job done when needed!) |
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#17 |
Not the nightly winner
Join Date: Jul 2002
Location: CHARLEMONT MA.USA
Posts: 763
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Years ago A/C was for GMs,AUTOLITES for f-rds,Champions for
CHRS,NGK and BOSCH for imports. Now thay make um for everything. BOB your right KEEP YOUR GM GM. I like to put just alittle HOTTER plug in the old carbed engines, I think thay burn the fuel of today better. JUST MY 2 CENTS.
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72C10SWB BLUE 350/350 86K10LWB BLUE 5.7 700r4 7.5' fisher plow 93S10XCAB4X4 BLUE 4.3 4L60e 69gmc c10 v8 3 on the tree yellow 72k10 swb 350 3 on the tree green 86k15 swb5.0L 4spd brown |
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#18 |
Used to have a truck
Join Date: May 2002
Location: port orchard WA
Posts: 1,552
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I used to run a hi 11 second car with nitrous. Tried a test once. Ran autolites on one side and AC's on the other. Melted the electrodes on all the AC's. The autolites were fine.
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No truck :-( |
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#19 |
Account Suspended
Join Date: Jan 2000
Location: Woodstock, IL
Posts: 7,020
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Hey, install a set of Bosch +4 's and forget about them!! Ask TJ, how he likes the set I got him!!
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#20 |
now thats a true COON DOG
![]() Join Date: Nov 2000
Location: Franconia, NH
Posts: 1,977
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Well I did the tune up today! I didn't end up running the rapid fires cause Napa didn't have all 8 of them and did't have 8 of any other platnum plugs either! Damn!! So I ended up running regular R44t A/C's.......seems to be running better, but is still burbing oil...............thats a whole nother story!
__________________
current project 67 ![]() 71 SWB Stepside, was a 250, now is a 402 Big Block with 4 speed and 3.73's ( was crushed by a tree, bed sold, motor pulled) ![]() 72 LWB 4x4 350 4-speed 3.08's posi wearing army olive drab green (SOLD!) 68 BURB 50TH LOOKALIKE work in progress, soon to have 250-I6 with a 3-speed on the tree 4.11's and posi ( currently sitting in back yard tarped awaiting time, $$$, and lots of love!) 67 1 TON- work truck 396 sm 420 4-speed, flat bed 4.57 gears "big red" (my first landscape truck, very rusty and crusty! but still gets the job done when needed!) |
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#21 | |
Account Suspended
Join Date: Jan 2000
Location: Woodstock, IL
Posts: 7,020
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Quote:
Burbing? Is that a speical suburban thing? LOL!! |
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#22 |
Registered User
![]() Join Date: Dec 1999
Location: Modesto, CA
Posts: 565
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i just replaced my a/c 44s with the H/P Accel shorties. im sure the 44s were short enough for the new Sanderson CC10 headers i just bought, but i figured why not try something different. in the process i had to change to 90? boots so i stepped up from Accel super stock 8mm wires to Accels 8.8mm spiral core wires.
a little more hp and less hesitation off the line were the result. plugs, wires, or combo? i dont know, but it worked ![]()
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Current owner of 2016 2500 Silverado Midnight Edition. Former owner of: 69 1/2 ton, change from long/fleet to short/fleet, shaved door handles, shaved tailgate, 4/6 drop, power windows, 700r4 72 blazer, 350 with Holley Commander 950 DFI, crane energizer cam, 350 tranny, dual sanderson blockhuggers/magnaflow exhaust |
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