Corvette Turbo with hot engine.
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Joined: Aug 2005
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Corvette Turbo with hot engine.
Hello.
Last year I built my second turbokit on my c4, the first one was a rearmounted kit with a to small turbo. Built it in 12 days just to test and take the engine to max after many years of nitroz.
Well same engine with new pistons and rods.
But with a front mounted BW475 and 785rwhp1137rwnm@1.15bar.
Drove it whole last summer with one broken transmission, broken rearhub and axle.
Only had one problem that I need to fix on the engine setup. I mounted a griffin radiator and a 3" intercooler with a fan in front of it.
The coolent are to high, can´t cruise more than 10-15min before the temp is to high.
Need to have the fan and heet on high almoste whole time, not fun in the mittle of the summer.
I´m have an idea to get rid of this problem, built a new IC and mount it between the lights, behind front bumper. Maybe put back stock radiator if the space allow it, and also use stock fans.
Does anyone have any ideas?
Last year I built my second turbokit on my c4, the first one was a rearmounted kit with a to small turbo. Built it in 12 days just to test and take the engine to max after many years of nitroz.
Well same engine with new pistons and rods.
But with a front mounted BW475 and 785rwhp1137rwnm@1.15bar.
Drove it whole last summer with one broken transmission, broken rearhub and axle.
Only had one problem that I need to fix on the engine setup. I mounted a griffin radiator and a 3" intercooler with a fan in front of it.
The coolent are to high, can´t cruise more than 10-15min before the temp is to high.
Need to have the fan and heet on high almoste whole time, not fun in the mittle of the summer.
I´m have an idea to get rid of this problem, built a new IC and mount it between the lights, behind front bumper. Maybe put back stock radiator if the space allow it, and also use stock fans.
Does anyone have any ideas?
Last edited by HuggerVette; Jan 25, 2012 at 07:22 PM. Reason: picture
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Joined: Aug 2009
Posts: 725
Likes: 4
From: Plano, TX
Hello.
Last year I built my second turbokit on my c4, the first one was a rearmounted kit with a to small turbo. Built it in 12 days just to test and take the engine to max after many years of nitroz.
Well same engine with new pistons and rods.
But with a front mounted BW475 and 785rwhp1137rwnm@1.15bar.
Drove it whole last summer with one broken transmission, broken rearhub and axle.
Only had one problem that I need to fix on the engine setup. I mounted a griffin radiator and a 3" intercooler with a fan in front of it.
The coolent are to high, can´t cruise more than 10-15min before the temp is to high.
Need to have the fan and heet on high almoste whole time, not fun in the mittle of the summer.
I´m have an idea to get rid of this problem, built a new IC and mount it between the lights, behind front bumper. Maybe put back stock radiator if the space allow it, and also use stock fans.
Does anyone have any ideas?
Last year I built my second turbokit on my c4, the first one was a rearmounted kit with a to small turbo. Built it in 12 days just to test and take the engine to max after many years of nitroz.
Well same engine with new pistons and rods.
But with a front mounted BW475 and 785rwhp1137rwnm@1.15bar.
Drove it whole last summer with one broken transmission, broken rearhub and axle.
Only had one problem that I need to fix on the engine setup. I mounted a griffin radiator and a 3" intercooler with a fan in front of it.
The coolent are to high, can´t cruise more than 10-15min before the temp is to high.
Need to have the fan and heet on high almoste whole time, not fun in the mittle of the summer.
I´m have an idea to get rid of this problem, built a new IC and mount it between the lights, behind front bumper. Maybe put back stock radiator if the space allow it, and also use stock fans.
Does anyone have any ideas?
If you get rid of the intercooler it will accomplish 3 things.
1. Solve your overheating problem
2. Increase your boost by 4-6 psi which will make the turbo more efficient
3. Get rid of alot of unnecessary tubing which blocks airflow and makes for a cleaner install.
Snow Performance makes a good kit and give Julio at alkycontrol.com a call. I've used his progressive controller and his kits are very good quality. Hope this helps.
http://www.alkycontrol.com/
Last edited by 93VettePilot; Jan 26, 2012 at 02:07 AM.
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Joined: Feb 2007
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From: jackson ms
Well u dont have enough room between ur rad n ur intercooler. The heat comin off the turbo n intercooler r heatin up ur coolant. I also didnt c fans. In these cars fans need to b pullin instead of pushin. But 93vettepilot is very right. Meth is the way to go. Adds power n runs cooler. I had same problem with a supercharged c4 I built. We took intercooler off just use meth n it comes on at 4lbs n also gained bout 4 psi at full boost.
Thread Starter
Instructor
Joined: Aug 2005
Posts: 108
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Hello.
Well I´m not going for meth!
Don´t wanna have one more "always empty" and so on. The n2o hit the trashcan because of that.
I know the problem is space and ic that blocks the air, and a pushing fan.
So Brian, how did you do with your radiator? just moved it back and..?
Tomorrow I start with the car. Will remove all the old stuff and see for solotions.
I´w already made the "plate remove and drilled my way to the radiator".
The engine liked it but not enough.
Thansk Andreas
Well I´m not going for meth!
Don´t wanna have one more "always empty" and so on. The n2o hit the trashcan because of that.
I know the problem is space and ic that blocks the air, and a pushing fan.
So Brian, how did you do with your radiator? just moved it back and..?
Tomorrow I start with the car. Will remove all the old stuff and see for solotions.
I´w already made the "plate remove and drilled my way to the radiator".
The engine liked it but not enough.
Thansk Andreas
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Joined: Oct 2004
Posts: 761
Likes: 68
Hi There !
I did extensive testing on the L98 cooling system. The issue is always airflow thru the radiator - not radiator size. First and foremost is the radiator design. The fins must not be offset. You must be able to hold radiator up to the light and see straight thru it. You must use a radiator that (stock is great) promotes max airflow - period !!!
After the radiator design of course comes the fan(s). Ideally you have a push and pull fan set-up. The original HD L98 had such a set-up. There are several aftermarket set-ups that can do this.
Next place the IC for the blower out of the main radiator airstream. Perhaps at an angle that permits 100% radiator airflow while sitting still.
Next is the airdam - critical if maintaining original down under flow. Obviously opening up the front license plate to permit frontal flow will help.
VTY greg
I did extensive testing on the L98 cooling system. The issue is always airflow thru the radiator - not radiator size. First and foremost is the radiator design. The fins must not be offset. You must be able to hold radiator up to the light and see straight thru it. You must use a radiator that (stock is great) promotes max airflow - period !!!
After the radiator design of course comes the fan(s). Ideally you have a push and pull fan set-up. The original HD L98 had such a set-up. There are several aftermarket set-ups that can do this.
Next place the IC for the blower out of the main radiator airstream. Perhaps at an angle that permits 100% radiator airflow while sitting still.
Next is the airdam - critical if maintaining original down under flow. Obviously opening up the front license plate to permit frontal flow will help.
VTY greg
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Joined: Sep 2001
Posts: 14,668
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From: NEwhere Ohio
Hello.
Well I´m not going for meth!
Don´t wanna have one more "always empty" and so on. The n2o hit the trashcan because of that.
I know the problem is space and ic that blocks the air, and a pushing fan.
So Brian, how did you do with your radiator? just moved it back and..?
Tomorrow I start with the car. Will remove all the old stuff and see for solotions.
I´w already made the "plate remove and drilled my way to the radiator".
The engine liked it but not enough.
Thansk Andreas
Well I´m not going for meth!
Don´t wanna have one more "always empty" and so on. The n2o hit the trashcan because of that.
I know the problem is space and ic that blocks the air, and a pushing fan.
So Brian, how did you do with your radiator? just moved it back and..?
Tomorrow I start with the car. Will remove all the old stuff and see for solotions.
I´w already made the "plate remove and drilled my way to the radiator".
The engine liked it but not enough.
Thansk Andreas
That's what pis$$zd me off about nitrous was how you'd tune for a full tank and would get less and less hit as the weight of nitrous dropped. Even when using a bottle warmer to spray at the same psi! Didn't matter.
To those that haven't used nitrous....imagine if your car made less power at half a tank then it did at a full tank of gasoline. That's essentially how nitrous is.
Methanol (meth/water) injection is more like your gasoline tank. Its either on, or its off. Though you want to have a sump so you can still pick it up at crazy g forces
All this said, if you really don't want it id like to hear how to do a fmic on our cars.
I'm interested too. If you had a roadrace multilap corvette then this would be better for you vs. Having to fill up a meth tank occaionally.
