C4 Tech/Performance L98 Corvette and LT1 Corvette Technical Info, Internal Engine, External Engine

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Old Jul 26, 2011 | 12:05 PM
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hi all ,after all the mods i have done to the car the cooling must be borderline ,can anyone recomend the best place to buy a better rad 1990 L98 vette ,i live in the England but can have it shipped,this will be the last upgrade for this project regards paul
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Old Jul 26, 2011 | 01:01 PM
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Originally Posted by paul buckner
hi all ,after all the mods i have done to the car the cooling must be borderline ,can anyone recomend the best place to buy a better rad 1990 L98 vette ,i live in the England but can have it shipped,this will be the last upgrade for this project regards paul
Eckler's - take your pick from the following selection:

http://www.ecklerscorvette.com/catal...ator&x=46&y=17
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Old Jul 26, 2011 | 01:31 PM
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It you want a better than stock radiator and are willing to spend some additional money, then Dewitts radiator might be for you. Many posts about their product and never a bad comment. Read some of the posts and check their site.

http://www.dewitts.com/
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Old Jul 26, 2011 | 02:32 PM
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Originally Posted by pcolt94
It you want a better than stock radiator and are willing to spend some additional money, then Dewitts radiator might be for you. Many posts about their product and never a bad comment. Read some of the posts and check their site.

http://www.dewitts.com/
Thanks for that , called them just a minute ago and they have wot i want $495 hopefully i will be even cooler .
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Old Jul 26, 2011 | 02:58 PM
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Originally Posted by paul buckner
Thanks for that , called them just a minute ago and they have wot i want $495 hopefully i will be even cooler .
I got one identicle to the DW for $210 plus shipping. Dropped my normal eng temps 20+ degrees. More while cruising.
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Old Jul 26, 2011 | 09:20 PM
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Originally Posted by leesvet
I got one identicle to the DW for $210 plus shipping. Dropped my normal eng temps 20+ degrees. More while cruising.
Didn't you have to use adapters to connect the tranny lines and trim the rubber cushions?
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Old Jul 26, 2011 | 09:30 PM
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Originally Posted by Tom DeWitt
Didn't you have to use adapters to connect the tranny lines and trim the rubber cushions?
I trimmed the cushions about 1/4" on the lowers, everything else was exactly as it should be, came with new low coolant sensor, trans cooler fittings correct, large plate type cooler, nice cap w/chain.

I probably could have avoided trimming the cushions if I had not laid a seal in the bottom of the lower shroud to seal the unit and help prevent any vibration. It was just a strip of foam weather strip that the rad could rest on. That did move the rad in the mounts, slightly.

Sorry, the price was too good to pass up. Its been a good upgrade.
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Old Jul 26, 2011 | 09:40 PM
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when it comes time, im going dewitts! all good reviews, and made in the USA!
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Old Jul 27, 2011 | 01:59 PM
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Thanks all for the feed back . re paul
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Old Jul 27, 2011 | 08:50 PM
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Originally Posted by leesvet
I got one identicle to the DW for $210 plus shipping. Dropped my normal eng temps 20+ degrees. More while cruising.
If I remember my posts/links correctly, I have to ask why you chose the higher-priced ECP option over the Champion option? ECP has no phone/contact information too -- which is a red-flag for me.

FWIW, In an email to ECP, they admitted they weren't the same as DeWitts. Their explanation of the difference was they didn't use stamped parts!
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Old Jul 27, 2011 | 11:34 PM
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Originally Posted by GREGGPENN
If I remember my posts/links correctly, I have to ask why you chose the higher-priced ECP option over the Champion option? ECP has no phone/contact information too -- which is a red-flag for me.

FWIW, In an email to ECP, they admitted they weren't the same as DeWitts. Their explanation of the difference was they didn't use stamped parts!
well...after looking at the product, the price was acceptable, I found someone that had one, so I felt safe in doing the deal with ECP. When I opened the box right next to a DW...they were basically the same size, style, cores etc. The ECP had a bigger trans cooler that near filled the tank that side. All in all, a damn fine unit. I felt even better after comparing it to DW and seeing very few differences.

I just wish I had been patient enough to polish the thing before getting it under the shrouds...damn it was pretty !
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Old Jul 28, 2011 | 10:22 PM
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Dewitts W/fan upgrade !
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