DeWitts testimonial
Thread Starter
Former Vendor
Joined: Jan 2000
Posts: 5,593
Likes: 631
From: Brighton
DeWitts testimonial
I just wanted to let you all know that I installed my radiator (2-row
manual non-oil cooler version) in my 2002 C5 Z06 last week and spent this past weekend weekend at VIR North (my son and I instruct for tarheel Sportscar Club and shared the car). Here are my impressions:
1) Installation was a breeze once I got enough space opened up to drop in the new radiator. I think it would be helpful for you to add a note to customers to overlay a piece of cardboard (taped with a little masking tape) on both sides of the radiator to protect the delicate fins - I have always done this when restoring cars and it made it a lot easier to get it in - no worrying about damage. Once in, it clamped right into place, no problems. The fit was perfect.
2) On track with the stock radiator, even on cool days, we typically ran
> 220 F coolant and 250 F oil temps. This weekend the coolant stayed right at 196 and the oil never went over 230. HUGE difference. This was with the stock 186 F thermostat. I was contemplating adding an oil cooler but looks like that might not be necessary.
3) The craftsmanship is stunning - like art! I'm building an airplane and
am doing a lot of steel, aluminum and wood fabrication, and the quality of workmanship and welds in the radiator make me envious!
rarely find companies that are as honest up front, price their products
reasonably, and deliver quality that exceeds expectations. You guys (and gals) did so, and I thank you. Refreshing.
Best regards,
Mark Blace
manual non-oil cooler version) in my 2002 C5 Z06 last week and spent this past weekend weekend at VIR North (my son and I instruct for tarheel Sportscar Club and shared the car). Here are my impressions:
1) Installation was a breeze once I got enough space opened up to drop in the new radiator. I think it would be helpful for you to add a note to customers to overlay a piece of cardboard (taped with a little masking tape) on both sides of the radiator to protect the delicate fins - I have always done this when restoring cars and it made it a lot easier to get it in - no worrying about damage. Once in, it clamped right into place, no problems. The fit was perfect.
2) On track with the stock radiator, even on cool days, we typically ran
> 220 F coolant and 250 F oil temps. This weekend the coolant stayed right at 196 and the oil never went over 230. HUGE difference. This was with the stock 186 F thermostat. I was contemplating adding an oil cooler but looks like that might not be necessary.
3) The craftsmanship is stunning - like art! I'm building an airplane and
am doing a lot of steel, aluminum and wood fabrication, and the quality of workmanship and welds in the radiator make me envious!
rarely find companies that are as honest up front, price their products
reasonably, and deliver quality that exceeds expectations. You guys (and gals) did so, and I thank you. Refreshing.
Best regards,
Mark Blace
Le Mans Master
Joined: Dec 2003
Posts: 5,622
Likes: 0
From: Savannah Georgia
Cruise-In VIII Veteran
I just wanted to let you all know that I installed my radiator (2-row
manual non-oil cooler version) in my 2002 C5 Z06 last week and spent this past weekend weekend at VIR North (my son and I instruct for tarheel Sportscar Club and shared the car). Here are my impressions:
1) Installation was a breeze once I got enough space opened up to drop in the new radiator. I think it would be helpful for you to add a note to customers to overlay a piece of cardboard (taped with a little masking tape) on both sides of the radiator to protect the delicate fins - I have always done this when restoring cars and it made it a lot easier to get it in - no worrying about damage. Once in, it clamped right into place, no problems. The fit was perfect.
2) On track with the stock radiator, even on cool days, we typically ran
> 220 F coolant and 250 F oil temps. This weekend the coolant stayed right at 196 and the oil never went over 230. HUGE difference. This was with the stock 186 F thermostat. I was contemplating adding an oil cooler but looks like that might not be necessary.
3) The craftsmanship is stunning - like art! I'm building an airplane and
am doing a lot of steel, aluminum and wood fabrication, and the quality of workmanship and welds in the radiator make me envious!
rarely find companies that are as honest up front, price their products
reasonably, and deliver quality that exceeds expectations. You guys (and gals) did so, and I thank you. Refreshing.
Best regards,
Mark Blace
manual non-oil cooler version) in my 2002 C5 Z06 last week and spent this past weekend weekend at VIR North (my son and I instruct for tarheel Sportscar Club and shared the car). Here are my impressions:
1) Installation was a breeze once I got enough space opened up to drop in the new radiator. I think it would be helpful for you to add a note to customers to overlay a piece of cardboard (taped with a little masking tape) on both sides of the radiator to protect the delicate fins - I have always done this when restoring cars and it made it a lot easier to get it in - no worrying about damage. Once in, it clamped right into place, no problems. The fit was perfect.
2) On track with the stock radiator, even on cool days, we typically ran
> 220 F coolant and 250 F oil temps. This weekend the coolant stayed right at 196 and the oil never went over 230. HUGE difference. This was with the stock 186 F thermostat. I was contemplating adding an oil cooler but looks like that might not be necessary.
3) The craftsmanship is stunning - like art! I'm building an airplane and
am doing a lot of steel, aluminum and wood fabrication, and the quality of workmanship and welds in the radiator make me envious!
rarely find companies that are as honest up front, price their products
reasonably, and deliver quality that exceeds expectations. You guys (and gals) did so, and I thank you. Refreshing.
Best regards,
Mark Blace
love mine 
Drifting
Joined: Dec 1999
Posts: 1,541
Likes: 2
From: Raleigh NC
Best mod to date. Last Monday, albeit a cool 60 degree day, my water temp didn't get above 185 with a 165 T-state. Oil temps didn't get above 235. Hot-side oil-cooler. One of our sessions was at least 30 minutes and I was running it hard.
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Joined: Jul 2004
Posts: 24,652
Likes: 298
From: NJ
St. Jude Donor '05-'08
Tom I cannot say enough good things about your products. Normal day on the track I would see 275+ oil temps and high coolant temps.
I added the Dewitts radiator with eoc and oil temps were down in the 240 range and coolant temps were way down too.
After installing the LS7 engine with the dry sump we were concerned about temps, but once again your setup has helped. 30 mins at Pocono my oil temps were 215. Coolant temps were also very low.
I will be at Pocono again this weekend and then WGI next weekend. I will pay close attention to the outside temp and both oil/coolant temps and give feedback.
Bob
I added the Dewitts radiator with eoc and oil temps were down in the 240 range and coolant temps were way down too.
After installing the LS7 engine with the dry sump we were concerned about temps, but once again your setup has helped. 30 mins at Pocono my oil temps were 215. Coolant temps were also very low.
I will be at Pocono again this weekend and then WGI next weekend. I will pay close attention to the outside temp and both oil/coolant temps and give feedback.
Bob