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

Guy's w/elec. water pump?

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Old Apr 11, 2008 | 06:23 PM
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Default Guy's w/elec. water pump?

Can anyone tell me what you did with the Heater Hose that goes in the side of the Water Pump? Also will the Bracket that holds the Air Cond. and Tensioner bolt right back up after the Elec. Water Pump is installed? THANKS FOR THE HELP Pipe
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Old Apr 12, 2008 | 03:01 AM
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I looked at your profile and have a 1990 corvette. Most of the guys I know of with EWPs in their C4s have LT1s.

So sorry I can't help you but heres a bump!
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Old Apr 12, 2008 | 03:06 AM
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pipe, try the search function, advanced, Archives, there are post related to your question...
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Old Apr 12, 2008 | 04:47 AM
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Originally Posted by pipe
Can anyone tell me what you did with the Heater Hose that goes in the side of the Water Pump? Also will the Bracket that holds the Air Cond. and Tensioner bolt right back up after the Elec. Water Pump is installed?
How are you running the belt so it misses the air Intake tube on a L98?
Looking at my EWP (Proform ) if the A/c bracket did physically clear
then you would need spacers to make up the difference in height where the bracket sits on the pump mounting bolts.
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Old Apr 12, 2008 | 09:43 AM
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I was able to hook my heater hose up to an extra connector on my radiator. However, I do have a Be-Cool radiator.
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Old Apr 12, 2008 | 11:56 AM
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Thanks for the Reply's Guy's I wanted to just use the crank, power steering , alt. and over the air pump delete pulley and leave out the air cond. alltogether. It might be tough trying to route the belt straight down after coming over the air pump delete pulley. I'll do a search also on this. THANKS Pipe
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Old Apr 12, 2008 | 08:47 PM
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Originally Posted by pipe
Thanks for the Reply's Guy's I wanted to just use the crank, power steering , alt. and over the air pump delete pulley and leave out the air cond. alltogether. It might be tough trying to route the belt straight down after coming over the air pump delete pulley. I'll do a search also on this. THANKS Pipe
Recall if doing A/c delete others have run the belt behind the idler pulley not in front to acheive tension; shorter belt
Why are you going to EWP?
IF you don't need a EWP can use normal rotation long pump with adjustable alt brace.
Belt runs pump - crank - PS - alt.
Does away with air pump eliminator and A/c completely.
nice and clean ; plenty of access.
have pics
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Old Apr 12, 2008 | 09:18 PM
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Saw your question on the ac bracket, It is definately not bolt-on. We had to modify the area where the bolts go through to work with the electric pump.
Measure from the block out, the distance where the bolts/nuts are located using the stock pump. Then you have to be sure the bracket and bolts are in the same location when using the electric water pump.

PS. I put another pulley on the air delete bracket to offset the loss of the water pump pulley. I have AC with the electric pump.
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Old Apr 12, 2008 | 09:22 PM
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rodj can ya send me some pix so I can see what you are talking about. Maybe i'll get a better idea if I see it. Pipeline310@aol.com or post em on here. THANK YOU FOR THE HELP Pipe ps. i'm just tryin little things now to try and get the car to run 12.99 as it's previous best is 13.23 with bolt on mods. Stock Block, Stock Heads, Stock Intake. Just tryin to get that little extra. Gonna run it in 3rd gear instead of OD and remove the spare tire and holder and Elec. Water Pump. Just thought it would help a little not having to turn as many accessories. Pipe
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