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12-04-2016, 04:44 PM
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#1 |
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Senior Member
 
Join Date: Feb 2001
Location: New Madison, Ohio
Posts: 21,365
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Educate Me - 1970 BB Spark Plug Heat Shields
Ok folks - Did the 1970 402BB come with Spark Plug Heat Shields?
Thanks
__________________
A husband can be right...or...A husband can be happy.  67-72 Chevy and GMC Trucks...The Classic Truck for the Classic Folk.  1970 CST Two tone green, 402BB, 400 Automatic, Tach, Buckets, AC, AM-FM, Tilt, GM CB, GM 8 Tract, LWB, etc   JOHN 17:3...The better side of "LIFE" Remember: Everyday is a good day...Some are just gooder! Last edited by 70cst; 12-04-2016 at 08:05 PM. |
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12-05-2016, 11:15 AM
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#2 |
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2WD Jimmy
 
Join Date: Mar 2005
Location: Davis County, Utah
Posts: 2,564
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Re: Educate Me - 1970 BB Spark Plug Heat Shields
bump
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12-05-2016, 12:07 PM
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#3 |
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Registered User
Join Date: Oct 2016
Location: Dallas Texas
Posts: 3,063
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Re: Educate Me - 1970 BB Spark Plug Heat Shields
These vintage pictures from GM show a BB with plug heat shields...
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67 C10 fleet fuel injected '70 402, 700r4, 3.73 posi 07 335 sport turbo 6sp 94 Trans Am GT LT1 6sp posi -- sold after 22yrs 99 540 sport V8 6sp -- sold 73 240z L24 4sp -- given to friend 68 C10 step 350/350 3.73 open -- sold |
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12-05-2016, 01:21 PM
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#4 |
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Registered User
Join Date: Aug 2006
Location: Redmond, WA
Posts: 6,332
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Re: Educate Me - 1970 BB Spark Plug Heat Shields
I have them on my 1970, so if you put them on, others will too, and soon it will be the standard regardless of what they did in 1970! Kind of like you could write stuff on your firewall in paint marker and people will copy it.
My motor did NOT have them when I pulled it though, but who knows what survives 45 years. I guess this is my way of saying "I don't know, but I want to know, so I'll blabber on this thread which will subscribe me". You know, all in all, those don't look like my exhaust manifolds, but they look like they should flow not bad, really. Don't know the port size but the shape and path is halfway decent!
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1970 GMC Sierra Grande Custom Camper - Built, not Bought 1969 Pontiac 2+2 427/390 4-speed Coupe 1969 Pontiac 2+2 427/390 4-speed Convertible |
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12-05-2016, 01:44 PM
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#5 |
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Registered User
Join Date: Oct 2016
Location: Dallas Texas
Posts: 3,063
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Re: Educate Me - 1970 BB Spark Plug Heat Shields
Check these out on flEbay:
http://www.ebay.com/itm/GM-NOS-Spark...FRH7~-&vxp=mtr
__________________
67 C10 fleet fuel injected '70 402, 700r4, 3.73 posi 07 335 sport turbo 6sp 94 Trans Am GT LT1 6sp posi -- sold after 22yrs 99 540 sport V8 6sp -- sold 73 240z L24 4sp -- given to friend 68 C10 step 350/350 3.73 open -- sold |
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12-05-2016, 01:52 PM
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#6 |
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Registered User
Join Date: Nov 2016
Location: Albuquerque, NM
Posts: 110
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Re: Educate Me - 1970 BB Spark Plug Heat Shields
The 1970 big block Corvettes I have worked on had them, and the Chevelles were mixed. I don't know about trucks. They certainly can't hurt anything.
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12-06-2016, 12:02 AM
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#7 |
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Post Whore
Join Date: Feb 2016
Location: Portland Oregon
Posts: 11,033
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Re: Educate Me - 1970 BB Spark Plug Heat Shields
Did the trucks have those cool manifolds?
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Thanks to Bob and Jeanie and everyone else at Superior Performance for all their great help.  RIP Bob Parks. 1967 Burban (the WMB),1988 S10 Blazer (the Stink10 II),1969 GTO (the Goat), 1970 Javelin, 1952 F2 Ford OHC six 4X4, 29 Model A, 72 Firebird (the DBP Bird). 85 Alfa Romeo If it breaks I didn't want it in the first place The WMB repair thread http://67-72chevytrucks.com/vboard/s...d.php?t=698377 |
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12-06-2016, 03:25 AM
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#8 |
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Senior Member
Join Date: Feb 2001
Location: New Madison, Ohio
Posts: 21,365
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Re: Educate Me - 1970 BB Spark Plug Heat Shields
Thanks all ...
__________________
A husband can be right...or...A husband can be happy. 67-72 Chevy and GMC Trucks...The Classic Truck for the Classic Folk. 1970 CST Two tone green, 402BB, 400 Automatic, Tach, Buckets, AC, AM-FM, Tilt, GM CB, GM 8 Tract, LWB, etc JOHN 17:3...The better side of "LIFE" Remember: Everyday is a good day...Some are just gooder! |
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12-06-2016, 10:14 AM
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#9 | |
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Registered User
Join Date: Nov 2016
Location: Albuquerque, NM
Posts: 110
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Re: Educate Me - 1970 BB Spark Plug Heat Shields
Quote:
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12-06-2016, 08:14 PM
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#10 |
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Registered User
Join Date: Sep 2005
Location: Canton North carolina
Posts: 3,079
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Re: Educate Me - 1970 BB Spark Plug Heat Shields
The eBay ones are 72 up type, the round cylinder type were earlier and were used at least in 71. My factory 70 bb does not have them but my factory 71 bb does. The engine in picture is a chevelle or some hp car motor , those manifolds are not truck manifolds.
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67 blue step side- bb 68 gold and white swb cst anniversary 68 custom swb hot rod Ls swap 69 swb cst 6 cylinder/ overdrive 69 black/black cst bb swb 70 orange and white cst Canada built truck swb bb 71 black and white super swb bb 71 red and white super swb 72 green and white super swb 4x4 62 nova wagon 400 series Ls swapped 68 Camaro 327/4 speed- 1 owner, original paint 66 Volkswagen bettle 69 auto stick Volkswagen Beetle |
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