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05-06-2007, 11:16 AM
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#1 |
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Junior Member
Join Date: Feb 2005
Location: topeka, kansas
Posts: 258
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sparkplugs - R45TS vs R43TS
I have a 69 307 with edelbrock, mild cam, accel HEI and headers. PO was running ACDELCO R45TS sparkplugs. I have some new ACDELCO rapidfire platinums laying around (ACDELCO 1) that are supposed to be replacements/equivelent to R43TS.
I can't seem to find a good cross reference or chart for ACDELCO plugs. Is it ok to run ACDELCO 1 (RAPIDFIRE PLATINUMS) in this engine. What's the difference between R45TS and R43TS
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_______________________________________ 62 SWB BBW (under construction) 86 Vette Convertible |
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05-06-2007, 11:18 AM
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#2 |
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Gone Fishing
Join Date: Aug 2005
Location: Fort Worth, Texas 76135
Posts: 12,361
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Re: sparkplugs - R45TS vs R43TS
The r45's are a hotter plug han the r43
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68 Chevy Short Fleetside LSX Swap Under Way 3.73 posi 2.5/4 drop  Frame of resto has been started2022 Hyundai Tucson Limited 2019 Chevy Traverse Redline Edition Wifes Ride Build Thread http://67-72chevytrucks.com/vboard/s...=1#post3483616 |
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05-06-2007, 08:21 PM
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#3 |
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Senior Member
Join Date: Jul 2001
Location: Muskegon,MI,USA
Posts: 6,026
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Re: sparkplugs - R45TS vs R43TS
Here is a link to the AC spark plug identification codes.
http://www.acdelco.com/parts/sparkpl...tification.jsp JIm
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1971 Shortbox step side 4x4, 350 sbc, 3:07 rear end 1965 Impala SS 400 sbc, Muncie rock crusher 1966 Impala SS 396 bbc, TH 400 1969 El Camino, 350 sbc, TH 350 1971 Snowplow built on a Blazer frame 1972 GMC Short bed, stepside, TH 400, 427 BBC |
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