![]() Dedicated to the Promotion and Preservation of American Muscle Cars, Dealer built Supercars and COPO cars. |
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dreemz
I confused you in part with a COPO Chevelle application.. The 1969 Chevelle L78 was built with a 3 core Radiator as std. on the line. Auto Trans. was Coded BW Part #3020143. The VO1 upgrade was Coded BR Part #3029205.The BR has a deeper core thickness. The Manual Trans 1969 L78 Chevelle,was built with a 3 core Radiator std.on the line. Coded BO Part #3017256. The VO1 upgrade was coded BQ Part #3019204.The BQ had the advantage in Core Constant displacement. These & the RPO-VO1 upgrade Radiators were also used in Various other Chevelles for 1969,including air conditioned optioned Chevelles. When the COPO Chevelle (427 cid) was built,it received the VO1 Heavy Duty BR or BQ upgrade radiator as std. Equipment. Similar to the Heavy Duty BE & KQ 4:10 Posi Rearend gear,over the Std. 4:10 BV & KK 4:10 Posi. These exact Radiator Part numbers & Codes were also carried over to the 1970 Chevelle/Monte Carlo applications as well. |
#2
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I guess what I have after all is a "BQ" rad. I thought it was an "O" with a slash through it. I sent MR70 (Rick) a scan of the tag for his input.
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Chevelleless after 46 years......but we did find a low mileage, six speed, silver 2005 Corvette. It will just have to do for now. ![]() |
#3
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Yep..it's Q.
Thank You Keith. |
#4
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Rick-
So in summary what would the proper code be for a TH400 L78 Chevelle that on the original order invoice shows a heavy duty radiator option (although no part#)with a price of $14.75? ![]() |
#5
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A 1969 Chevelle L78 w/TH400 Trans. w/Heavy Duty Radiator would show a BR code.
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#6
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[ QUOTE ]
dreemz I confused you in part with a COPO Chevelle application.. The 1969 Chevelle L78 was built with a 3 core Radiator as std. on the line. Auto Trans. was Coded BW Part #3020143. The VO1 upgrade was Coded BR Part #3029205.The BR has a deeper core thickness. The Manual Trans 1969 L78 Chevelle,was built with a 3 core Radiator std.on the line. Coded BO Part #3017256. The VO1 upgrade was coded BQ Part #3019204.The BQ had the advantage in Core Constant displacement. These & the RPO-VO1 upgrade Radiators were also used in Various other Chevelles for 1969,including air conditioned optioned Chevelles. When the COPO Chevelle (427 cid) was built,it received the VO1 Heavy Duty BR or BQ upgrade radiator as std. Equipment. Similar to the Heavy Duty BE & KQ 4:10 Posi Rearend gear,over the Std. 4:10 BV & KK 4:10 Posi. These exact Radiator Part numbers & Codes were also carried over to the 1970 Chevelle/Monte Carlo applications as well. [/ QUOTE ] Rick or whomever, what would the: IA XJ 28 mean on this tag? ![]() Thanks.
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Sam... ![]() |
#7
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IA is the code for the Drivers side tank.It is sometimes embossed into the tank itself,facing the engine.
XJ is the code for the Pass.side tank.It too is embossed into the tank,facing the engine. Together these two tanks w/the core = the BO Radiator. 28 I believe is a plant control ID # of some sort. |
#8
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Tanks, um er, I mean Thanks, Rick.
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Sam... ![]() |
#9
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Here's some more rad info, thought it's Camaro focused it's still applicable.
http://www.camaros.org/coolingsystems.shtml
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Kurt S - CRG |
#10
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Thanks Kurt. That is real good info. CRG does nice work.
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Sam... ![]() |
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