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Author
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Topic: Platinum Plugs????????
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Ponygirl67
Gearhead Posts: 259
From: Vancouver Island, Canada
Registered: Nov 2001
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posted 01-26-2002 01:33 PM
   
I bought Bosch platinum plugs to put in my 67 when I ever get around to finishing this tune-up, I have had totally mixed opinions about them, I have been told they will run really hot and too lean...has any one used them in their older stang???? ------------------
http://www.squeakie.stangnet.com
'67 Purple Mustang Coupe
Is it spring yet???
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kwazykat
Moderator Posts: 4776
From: me??? what planet are YOU from!!?.... heh heh heh..... M&M member #92
Registered: Jun 99
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posted 01-26-2002 02:51 PM
hey grrl!i put them in my 84 F-150 (TRUKGRRL)....
and have no complaints.... i dont know what the general opinions are,
but i have been satisfied with them in the trukkie application! keep us posted
kk
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Fastymz
Gearhead Posts: 2872
From: Reno Nv
Registered: Apr 2001
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posted 01-26-2002 02:53 PM
I have never used them,or have not heard anything about them.I know that was alot of help. I only use the autolite plugs.SCOOP. ------------------
65 coupe,351w,RPM intake,Carter625,shorty headers,2.5 exhaust, Flowmasters,C4,open 8" 2:80,Big Boss 429 hood scoop,Crager SS,Black Suede.
MEM#1240 https://mustangsandmore.com/ubb/Fastymz.html
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The Iceman
Gearhead Posts: 1614
From: Shelton, CT
Registered: Jul 2000
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posted 01-26-2002 04:26 PM
Ive basically always heard that higher end spark plugs such as the platinums, etc are really only needed for higher hp/tq engines where a great deal of spark is always needed for long periods of hard running -- could be wrong though
Autolites work for me  ------------------
CrAzY Dan~
1965 Coupe "BeeBop" 200ci Straight "6"~2.77 3-spd w/Hurst Shifter~Pertronix Elec. Ign.~Flamethrower Coil~Flex-Fan~Clifford 6-2 Header~26" Smithys~3" chrome tips~'85 T-Bird TC buckets~'66 guages
https://mustangsandmore.com//ubb/TheIceman.html
http://www.motorcities.com/contents/01GF9250033520.html
There's Nothing Wrong With A Little Six In A Classic Mustang! ;)
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mellowyellow
Gearhead Posts: 3230
From: So. Fl.
Registered: Aug 2000
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posted 01-26-2002 05:56 PM
Bought new Autolites for my 65 today. Putting them in tonite. Work good for me.
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SteveLaRiviere
Administrator Posts: 20744
From: Saco, Maine USA
Registered: May 99
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posted 01-26-2002 09:43 PM
Platinum plugs last longer, but they also run hotter, which can be a good thing or a bad thing depending on your carb's tuning. If your old plugs came out looking black and sooty, put the platinums in and don't worry about it. If the old ones came out looking white, you want to think about using other plugs or richening your carb or you'll create a pinging machine and ultimately, engine damage. My preference is regular old copper core Autolites. ------------------
'70 Mustang Mach 1 M code 351C 4V/FMX/3.25 open
'72 Mustang Sprint Coupe 351C 4V/FMX/4.30 Trac Lok
'94 F-150 XL 5.8L/E4OD/3.55 Limited Slip
'97 Probe GTS 2.5L DOHC
MCA Member # 47773
My favorite tool is Occam's Razor
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kcode
Gearhead Posts: 1950
From: alvaton,ky,usa Suburb of Bowling Green, M&M #79, MCA #29208
Registered: Jun 99
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posted 01-26-2002 09:51 PM
I ran Bosch Plats in my coupe for about three years, I used three different heat ranges trying to find one that worked best. The trouble I had was that I kept changing engine components, cams and carbs. I had to use 14mm, 3/4 inch reach, and gasket seats with my aluminum heads. The plugs worked good. I put Autolite plats in my 347. Mike
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Ponygirl67
Gearhead Posts: 259
From: Vancouver Island, Canada
Registered: Nov 2001
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posted 01-28-2002 12:59 AM
quote:
Originally posted by SteveLaRiviere:
Platinum plugs last longer, but they also run hotter, which can be a good thing or a bad thing depending on your carb's tuning. If your old plugs came out looking black and sooty, put the platinums in and don't worry about it. If the old ones came out looking white, you want to think about using other plugs or richening your carb or you'll create a pinging machine and ultimately, engine damage. My preference is regular old copper core Autolites.
Ok Steve, my old plugs did come out black and sooty looking, but now I am really thinking I should just take these back and get the Autolites, I have had such a totally mixed opinion on them.
------------------
http://www.squeakie.stangnet.com
'67 Purple Mustang Coupe
Is it spring yet???
IP: Logged |
TomP
Moderator Posts: 3435
From: Delta BC Canada
Registered: Dec 99
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posted 01-28-2002 02:00 AM
donnaThey'll work OK, it doesn't sound too lean... kind of a waste of money though.
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Ponygirl67
Gearhead Posts: 259
From: Vancouver Island, Canada
Registered: Nov 2001
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posted 01-28-2002 02:12 AM
That's what I am starting to think too. So should I take them back and just get the autolites???? I would have some beer money then ------------------
http://www.squeakie.stangnet.com
'67 Purple Mustang Coupe
Is it spring yet???
IP: Logged |
Fastymz
Gearhead Posts: 2872
From: Reno Nv
Registered: Apr 2001
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posted 01-28-2002 02:34 AM
BEER GOOD....Take them back get the autolites,buy beer, drink beer. SCOOP ------------------
65 coupe,351w,RPM intake,Carter625,shorty headers,2.5 exhaust, Flowmasters,C4,open 8" 2:80,Big Boss 429 hood scoop,Crager SS,Black Suede.
MEM#1240 https://mustangsandmore.com/ubb/Fastymz.html
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Rory McNeil
Gearhead Posts: 516
From: Surrey, B.C. Canada
Registered: Nov 2000
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posted 01-28-2002 03:20 AM
I have heard that Platinum plugs don`t work very well for racing applications, but should be OK for a stock street car. I work at a Toyota dealership, & the only Toyotas that come with platinums are normally vehicles where the plugs are a real Bit@& to change.(V6 Camry,& particularly the egg shaped Previa van, you have to remove the passenger seat, & pull up the carpet!)------------------
78 Fairmont 428 4 speed 10.20@130mph
80 Fairmont 302 5 speed 12.8@105mph
85 Mustang NHRA Stocker under construction, 302 5 speed
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kwazykat
Moderator Posts: 4776
From: me??? what planet are YOU from!!?.... heh heh heh..... M&M member #92
Registered: Jun 99
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posted 01-28-2002 07:34 AM
quote:
Originally posted by Ponygirl67:
...I have had such a totally mixed opinion on them.....
dang donna! we didnt mean to confuse the issue... um.... but.... if yer buyin'
da beer ..... all of us will meet you
at beer-thirty!!! wooooohoooooo....
par-tay at donnas place today!!
teeeeheeeeheeeeee
kk
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Ponygirl67
Gearhead Posts: 259
From: Vancouver Island, Canada
Registered: Nov 2001
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posted 01-28-2002 11:46 AM
hehehe...ok the autolites and beer it is!!!! Thanks guys and grrrrls ------------------
http://www.squeakie.stangnet.com
'67 Purple Mustang Coupe
Is it spring yet???
IP: Logged |
SteveLaRiviere
Administrator Posts: 20744
From: Saco, Maine USA
Registered: May 99
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posted 01-28-2002 11:55 AM
The next step would be to cure the sootiness. The plugs should come out nice and tan.------------------
'70 Mustang Mach 1 M code 351C 4V/FMX/3.25 open
'72 Mustang Sprint Coupe 351C 4V/FMX/4.30 Trac Lok
'94 F-150 XL 5.8L/E4OD/3.55 Limited Slip
'97 Probe GTS 2.5L DOHC
MCA Member # 47773
Of all the things I've lost, my mind is what I miss the most.
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Ponygirl67
Gearhead Posts: 259
From: Vancouver Island, Canada
Registered: Nov 2001
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posted 01-28-2002 01:28 PM
Ya I will have to keep an eye on that, for all I know those plugs have been in the car for 10 years...no passed on info from the former owners. Will ask my mechanic buddy to check the carb when he is here.------------------
http://www.squeakie.stangnet.com
'67 Purple Mustang Coupe
Is it spring yet???
IP: Logged |
AKBOSSMAN
Gearhead Posts: 2362
From: WASILLA , AK USA M&M #743 MCA #40857
Registered: Oct 2000
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posted 01-28-2002 02:37 PM
I like BEER ------------------
WAYNE CURTIS
70 GRABBER GREEN BOSS 302
01 Sangria Red Focus ZX3
03 Boss 302 (5.0) (waiting on order form)
92 SHELBY 4X4 (K-9 IDITAROD LEAD DOG)
My old '71Torino GT
"If your under control then your not going fast enough" Parnelli Jones
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Ked
Moderator Posts: 6560
From: Don't Let Your Mind Wander....it's Far Too Small to Be Out There By Itself!
Registered: Jul 99
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posted 01-28-2002 03:44 PM
yummmmmmmmmmm....beer......
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