cadreamn67
Platinum Forum Member
- Messages
- 608
I am close to finishing my 347 stroker build up and am pondering what cooling system upgrades I need to make. My 260 (f4b, 600cfm holley 4 barrel, isky 260 cam) runs comfortably now around town with its stock water pump and shroud, 6 blade fan and Fairmont water pump pulley. Anything above 2500rpm on highway (65 mph) gets me up to 200F and beyond on an 85F degree day. A mixture of water-wetter and straight water does not seem to make a material difference. I am thinking the 347 is going to need more cooling capacity than I currently have.
I have sealed off the horn holes, done some sealing of gaps around the radiator and done the lower valence ducting and sheetmetal removal described in Steve Laifman's tech tip on tigersunited.com. I am told by my local radiator shop "know it all" (I will call him Rex..) that Modine is out of the aftermarket business and that the 4 row core described in Steve's tech tip probably never existed anyway since he had never seen in all his years one as narrow as what is in a Tiger. Is there in fact such a core currently available anywhere anyone knows about? I would like to keep my factory shroud and fear anything thicker may well cause fan blade interference.
I read with great interest Tim Ronak's tip on using the Edelbrock high volume pump in Tiger Tales not long ago, so that maybe part of the ultimate specifications.
Also, is there anyone who has tried the tech tip in the old CAT shop notes about pluging some of the small water passage holes in the heads to slow the water flow, a la the high reving ford racing engines? Maybe it works for high reving engines and not for cars that run low rpms on the street?
Apologies for the long post, just trying to give everyone a baseline of reference for my questions. All suggestions will be gratefully received!
I have sealed off the horn holes, done some sealing of gaps around the radiator and done the lower valence ducting and sheetmetal removal described in Steve Laifman's tech tip on tigersunited.com. I am told by my local radiator shop "know it all" (I will call him Rex..) that Modine is out of the aftermarket business and that the 4 row core described in Steve's tech tip probably never existed anyway since he had never seen in all his years one as narrow as what is in a Tiger. Is there in fact such a core currently available anywhere anyone knows about? I would like to keep my factory shroud and fear anything thicker may well cause fan blade interference.
I read with great interest Tim Ronak's tip on using the Edelbrock high volume pump in Tiger Tales not long ago, so that maybe part of the ultimate specifications.
Also, is there anyone who has tried the tech tip in the old CAT shop notes about pluging some of the small water passage holes in the heads to slow the water flow, a la the high reving ford racing engines? Maybe it works for high reving engines and not for cars that run low rpms on the street?
Apologies for the long post, just trying to give everyone a baseline of reference for my questions. All suggestions will be gratefully received!