Block id? - The 1947 - Present Chevrolet & GMC Truck Message Board Network

rbm59 · 09-04-2010, 10:53 AM

Hi the block in my 72 blazer has a # on the front lh cor. (facing engine )vo125tdr, where can i find out what i have ???

Livrat · 09-04-2010, 11:18 AM

My sources list two with that code, Would need the date code on the back of the block to confirm.
"TDR" 1972 350 conv. cab, a/t, 175hp 4 K-10 & 20
"TDR" 1980 350 conv. cab, a/t, Cal L LS9 155hp 4 C-10 & 15

09-04-2010, 10:53 AM	#1
rbm59 Registered User Join Date: Aug 2010 Location: perth ontario Posts: 11	Block id? Hi the block in my 72 blazer has a # on the front lh cor. (facing engine )vo125tdr, where can i find out what i have ???

09-04-2010, 11:18 AM	#2
Livrat Member #1049 Join Date: Jun 2000 Location: Troy Montana Posts: 3,940	Re: Block id? My sources list two with that code, Would need the date code on the back of the block to confirm. "TDR" 1972 350 conv. cab, a/t, 175hp 4 K-10 & 20 "TDR" 1980 350 conv. cab, a/t, Cal L LS9 155hp 4 C-10 & 15



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