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L78 Nova Rad Help
Installing a 68 Camaro BB 4 core rad into my 70 Nova. Bolts in OK but just want to check if it is supposed to be set back from the cradle this much ?? 3/8" gap from tank edges to cradle and only 1-3/4" between pump pulley and rad.
I can Squeek in a flex fan using a 1/2" spacer (required to clear the alternator and lower pulley) but it is TOIGHT LIKE A TOIGER ?? Am I missing something ? Pics to follow.., Thanks for any input Gary
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68 Acadian SS-350 auto/AC driver 70 Nova SS-396/375HP Bench Stick 72 Nova SS-350 5sp Mini Tubbed 67 Chevelle Conv. SS-427 clone 70 Chevelle SS-454 LS-5 M-22 |
The Following User Says Thank You to L78_Nova For This Useful Post: | ||
mprice (09-04-2018) |
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Re: L78 Nova Rad Help
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68 Acadian SS-350 auto/AC driver 70 Nova SS-396/375HP Bench Stick 72 Nova SS-350 5sp Mini Tubbed 67 Chevelle Conv. SS-427 clone 70 Chevelle SS-454 LS-5 M-22 |
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Re: L78 Nova Rad Help
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68 Acadian SS-350 auto/AC driver 70 Nova SS-396/375HP Bench Stick 72 Nova SS-350 5sp Mini Tubbed 67 Chevelle Conv. SS-427 clone 70 Chevelle SS-454 LS-5 M-22 |
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Re: L78 Nova Rad Help
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68 Acadian SS-350 auto/AC driver 70 Nova SS-396/375HP Bench Stick 72 Nova SS-350 5sp Mini Tubbed 67 Chevelle Conv. SS-427 clone 70 Chevelle SS-454 LS-5 M-22 |
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Re: L78 Nova Rad Help
The rad was original from an ss396 68 Camaro but may have been recored. It was missing the tabs for the lower shroud hooks. I fabbed some up to mount the shroud.
Gary
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68 Acadian SS-350 auto/AC driver 70 Nova SS-396/375HP Bench Stick 72 Nova SS-350 5sp Mini Tubbed 67 Chevelle Conv. SS-427 clone 70 Chevelle SS-454 LS-5 M-22 |
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Re: L78 Nova Rad Help
The gap between the radiator and core support looks a little wide, I'll take a pic of mine and post tomorrow night,originally a 396 nova had no spacer between fan and water pump pulley
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1967 SS427 4 speed triple black survivor-sold to a good home 1969 nova SS396 L78 4 speed triple black survivor 1970 camaro SS350 citrus green,Dad bought it new! 1968 chevelle ss396 L34 M21 KK rear all born with 1972 formula 400 M22 |
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Re: L78 Nova Rad Help
I believe originally it would use a clutch fan ?? correct ??
I don't think a clutch fan would fit in the 1-3/4" gap. Are the original Nova rads only 3-core? Thanks for your help. Gary
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68 Acadian SS-350 auto/AC driver 70 Nova SS-396/375HP Bench Stick 72 Nova SS-350 5sp Mini Tubbed 67 Chevelle Conv. SS-427 clone 70 Chevelle SS-454 LS-5 M-22 |
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Re: L78 Nova Rad Help
Big block Novas used a 3 core radiator. No clutch fan and no spacer. Stock fan was a 5 blade type, bolted directly to pump pulley. Even with a 3 core, it's close to the fan... A 4 core will work. Some guys do have 4 cores on there BB Novas.
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Re: L78 Nova Rad Help
What is the correct Fan PN I should be looking for ?
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68 Acadian SS-350 auto/AC driver 70 Nova SS-396/375HP Bench Stick 72 Nova SS-350 5sp Mini Tubbed 67 Chevelle Conv. SS-427 clone 70 Chevelle SS-454 LS-5 M-22 |
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Re: L78 Nova Rad Help
The correct fan is the steel 5 blade unit...2 of the blades are offset...as mentioned it bolts directly to the water pump flange.
The only year for a clutch fan with BB was 1968...but, there was a short water pump that year. I have a 4 core in our 70 BB TH400 L78 car...it's tight, but it works. Your photos seem to show a wider space than I remember...but, I'll have to check to be sure. -wilma
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02 Berger 380hp #95 Lots of L78 Novas Join National Nostalgic Nova! 70 Orange Cooler 69 Camaro |
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