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Old 01-01-2007, 05:08 PM
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Default Re: Melting Intercoolers

Something to consider look at what another leading supercharger company has done to there supercharger.
I beleave looking at this. This port is to releave the boost at
low Blower speed high engine vacuum.

Pretty cool


This should help with the heat.
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Old 01-01-2007, 05:08 PM
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Default Re: Melting Intercoolers

I've seen this problem occur during start up, mild backfires igniting raw fuel soaked intercoolers usually due to fouled spark plugs, leaking intake valves or just out of tune. Charge temperatures usually never reach hot enough to melt aluminum.
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Old 01-01-2007, 05:08 PM
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Default Re: Melting Intercoolers

Originally Posted by KNOT-RIGHT
Now Im getting somewhere!

So how can I make certain we have enough fuel.
How about dual needle and seat carbs or atleast .150
titanium seats.

This was one of the big boy supercharger gurus suggested.
( I think ya know who) Every one compares theres to his.
What kind of fuel system in the boat?I dont think duel needles are necessary but the bigger needle and seats help
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Old 01-01-2007, 05:23 PM
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Default Re: Melting Intercoolers

Check these out only thing I could find yet.

I have not called CSU on these yet.
Would need 1250 dominator equivelents though.


Fuel Aeromotive 2000s with 10 feeds 8 returns.
-8 feeding each bowl

Considering the belt driven Aeros. The 2000,s do move some fuel though.
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Old 01-01-2007, 05:28 PM
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Default Re: Melting Intercoolers

Originally Posted by racinfever
I've seen this problem occur during start up, mild backfires igniting raw fuel soaked intercoolers usually due to fouled spark plugs, leaking intake valves or just out of tune. Charge temperatures usually never reach hot enough to melt aluminum.
I have melted one on a stock Merc 900SC, and this is what is believed to occur. I had ran the boat the day before and everything was great. I got up the next morning headed to a pokerrun. After pulling out of my marinia I started to get on plane and I noticed the motor coughing a little and then it died. When I restarted it, which didn't go as easy as usual, I noticed ALOT of steam coming out of one tail. This concerned me so I Idled back to the dock, pulled the Core and knew something wasn't right. I rigged a way to pressurize the core but it wouldn't because of all the holes from being melted.
This was a standard alluminum Lee core. Most everyone agreed that SOMEHOW I had ignited fuel pooled on the intercooler which melted it. Hope this helps.
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Old 01-01-2007, 05:29 PM
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Default Re: Melting Intercoolers

Originally Posted by KNOT-RIGHT
Check these out only thing I could find yet.

I have not called CSU on these yet.
Would need 1250 dominator equivelents though.


Fuel Aeromotive 2000s with 10 feeds 8 returns.
-8 feeding each bowl

Considering the belt driven Aeros. The 2000,s do move some fuel though.
Belt driven pumps are generally needed after 1200HP.I found that out this year
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Old 01-01-2007, 05:31 PM
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Default Re: Melting Intercoolers

Those CSU Bowls look like they may bolt right on my King Demons.
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Old 01-01-2007, 05:34 PM
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Default Re: Melting Intercoolers

Originally Posted by 42MTI
I have melted one on a stock Merc 900SC, and this is what is believed to occur. I had ran the boat the day before and everything was great. I got up the next morning headed to a pokerrun. After pulling out of my marinia I started to get on plane and I noticed the motor coughing a little and then it died. When I restarted it, which didn't go as easy as usual, I noticed ALOT of steam coming out of one tail. This concerned me so I Idled back to the dock, pulled the Core and knew something wasn't right. I rigged a way to pressurize the core but it wouldn't because of all the holes from being melted.
This was a standard alluminum Lee core. Most everyone agreed that SOMEHOW I had ignited fuel pooled on the intercooler which melted it. Hope this helps.
Sorry to Hear this Michael, But this is the kind of first hand
info I am looking for. What chargers were you running at the time?

Thanks for the repsonse.

Gerry
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Old 01-01-2007, 05:39 PM
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Default Re: Melting Intercoolers

1071 Mooninghams, 8#s of boost, Completely stock Merc.
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Old 01-01-2007, 05:56 PM
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Default Re: Melting Intercoolers

Originally Posted by JCPERF
Belt driven pumps are generally needed after 1200HP.I found that out this year

Point taken!
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