Series 1 Intercooler. working well, VIDS on page 11. - Page 11 - GM Forum - Buick, Cadillac, Chev, Olds, GMC & Pontiac chat


Performance, Brainstorming & Tuning Talk about modifications, or anything else associated with performance enhancements. Have a new idea for performance/reliability? Post it here. No idea is stupid! (please use Detailing and Appearance for cosmetic ideas)

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Old 02-17-2008, 01:18 AM   #101
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Quote:
Originally Posted by 2000SilverBullet
You are very innovative Bill. No doubt about that.
Big x2.

I can't believe how stock that looks. I swear, to the untrained eye, they'd mistake that for a highly modified, yet non-intercooled, L67
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Old 02-17-2008, 11:33 AM   #102
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The reaction time of the thermocouple may be hampered by the remaining portion of the lug still attached, but that will be tested before it'* installed, and the lug removed if necessary, exposing only the thermocouple.

Paul, if this works, and yours craps again, this is very easy to copy, and I have more of this tubing.

The gauge and tubing were very inexpensive in comparison.
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Old 02-18-2008, 12:17 AM   #103
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Got a few things done today before and after the Daytona 500. Also had some work on a friend'* car.

Here'* todays:

Working on the rock guard for the front radiator. This is steel, but primed and painted witih epoxy wheel coating and epoxy wheel clear (same brand as my rims for the slicks, but a gunmetal gray instead of bronze/gold).
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Finished the thermocouple for the post-IC temp sender/gauge.
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Got the system filled, pressure tested to 75psi (far more than it will ever see) and burbed and flowing.
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Tomorrow is all wiring. Plumbing is done.
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Old 02-18-2008, 11:40 AM   #104
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nice work
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Old 02-19-2008, 02:03 AM   #105
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Finished the wiring and plumbing, just took it for a drive. Still have some AFR tuning to do, but as far as the IC is concerned, without it the highest boost temp I read was 129. With it, I had 101 as the peak (after extended 2nd gear boost runs). Still burping out air bubbles in the system, and I have more antifreeze than I'd like. Efficiency should go up when I drop my antifreeze to 25% with just water wetter.

Interesting though, my goal all along was a 30 degree drop, and I almost hit it with a less than ideal 'fill'.

Pics will be up tomorrow. Too damn tired and hungry right now.
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Old 02-19-2008, 02:47 AM   #106
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BOY OH BOY!!! Awesome to hear this is going well. Next 2k miles or so and some summer temps will tell the whole story. Just make sure you don't let that one girl fill the gas up again.

Now, to get a narrower core to fit the GEN V LIM I am getting to match the GEN V I have on hold for me to purchase Friday.
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Old 02-19-2008, 08:45 PM   #107
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Remember on the S2, you don't have the luxury of the massive width here. Actual square inches of core area are larger (potentially) on the S1 than the S2.

A few pics from last night:


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Old 02-19-2008, 09:30 PM   #108
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Interesting you only saw 130F as a high.
Can the Series 1 be that much cooler than the Series 2

On first start up my SC air temp normalizes at 110F then, I am used to seeing 200F as a high under boost, then it will drop to 130F as a norm due to the heat soak. If I hit my boost cooling, the SC air temp will drop to about 100F under boost.

I'm wondering if your thermocouple has a quick enough reaction time to pick up the temperature spike.
It rises faster than my tach needle from 110 to 200.
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Old 02-19-2008, 10:23 PM   #109
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Yours has a faster reaction time, Paul, but mine stayed at 129 without the pump running with sustained drivining in 2nd gear at 70-75mph. It was 39 degrees F ambient. That takes the reaction time out. It stabilized at that temp.

101 with the IC running (inefficiently) in the same conditions in the second test.

Typical driving to work this morning (guessing 38ish farenheit?) it never got over 80F. With the intercooler running in the same conditions as last night.

Remember that I'm running a rather large 2.5" pulley for my setup on ported heads and 1.8 rockers. You may have 1.9'*, but you don't have ported heads matched to an over-ported LIM.

Things may change dramatically when I drop to the 2.3 or 2.2 pulley.
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Old 02-19-2008, 11:54 PM   #110
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That'* excellent Bill. Your temp is very consistent with mine at 130 F.
If it wasn't for your cooling, you would be much higher than 100F.
Did you try running without the intercooler to compare the actual temp you are dropping from? I might suggest it is higher than 130, so your cooler is dropping much more than 30F.
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