LT1 Based Engine Tech 1993-1997 LT1/LT4 Engine Related

Radiator options

Old Jun 29, 2003 | 06:48 PM
  #1  
1st and goal's Avatar
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From: Seacoast, N.H.
Radiator options

My Z is running a C-hair warm......

Are there any other radiator options for us or is Be Cool the only thing going?

Marc
Old Jun 29, 2003 | 07:29 PM
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The stock radiator flows pretty well. If it's running warm simply swap in a 160 stat and get your PCM reprogrammed to trigger the fans at a lower temp. If that doesn't solve your problem than you have other gremlins in your system you need to deal with. A BeCool radiator is an expensive solution to a relatively simple problem.
Old Jun 29, 2003 | 09:38 PM
  #3  
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Originally posted by norcalstreet
The stock radiator flows pretty well. If it's running warm simply swap in a 160 stat and get your PCM reprogrammed to trigger the fans at a lower temp. If that doesn't solve your problem than you have other gremlins in your system you need to deal with. A BeCool radiator is an expensive solution to a relatively simple problem.
I have had good luck with the stock radiator and would tend to agree, but Marc's car is definitely not your typical f-body, and generates more power than most of us. His supercharged setup is probably throwing more heat at the motor(byproduct of compressed air) than the stock radiator can handle.
Old Jun 29, 2003 | 09:52 PM
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Griffen makes a very nice LT1 radiator. Pricey, but nice..... ~$500. IT is a shade taller than stock, but nothing you can't fit with a little work to the top support/cover.
Old Jun 30, 2003 | 07:39 AM
  #5  
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Originally posted by norcalstreet
The stock radiator flows pretty well. If it's running warm simply swap in a 160 stat and get your PCM reprogrammed to trigger the fans at a lower temp. If that doesn't solve your problem than you have other gremlins in your system you need to deal with. A BeCool radiator is an expensive solution to a relatively simple problem.
I had the stock radiator flushed out before I put it back in and also put a 160 stat in and since I'm running a FAST system I have the fans coming on early.

Fred,
Where do you get a Griffin radiator?

What kind of massaging do you do to the cover?

Marc
Old Jun 30, 2003 | 07:50 AM
  #6  
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I got mine through the shop that built my motor. But I've seen them in JEG's and Summit. You might need to get the part # from Griffen for the LT1 radiator.... they typicallt do not list that one in the Summit catalog.

I have the SLP Ram Air box. It sits on the radiator cover and was way too high, forcing the airbox outlet to offset from the TB. We cut almost everything off the bottom of the radiator cover, and used screws into the radiator to retain it. That put the airbox closer to level with the TB.

Airbox to TB connection
Old Jun 30, 2003 | 04:21 PM
  #7  
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Charged Air Systems (CAS) makes an aluminum LT1 radiator as well.

http://www.chargedair.com/

Can't say much for their customer service, though... Couldn't get an answer to email or voice mail for a couple of weeks and then my fuel pressure regulator just showed up one day. It is a nice regulator, though...

You might also have buildup in the vent tube at the back of the head. A restriction there can cause overheating in LT1s...
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