Series 1 Intercooler. working well, VIDS on page 11. - Page 12 - 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 02-19-2008, 11:57 PM   #111
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You really have to do a full throttle run to 110 mph and compare temps at the max under full boost for sustained 1/4 mi times........13 seconds.
Your temp probe should heat up well by then.
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Old 02-20-2008, 12:00 AM   #112
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129 without the IC pump running.
101 with it running.

Haven't tested further than that, but the IC isn't at peak efficiency yet. I have some re-routing to do, and I need to move the pump lower than the top of the radiator to prevent cavitation/air issues.

My efficiency probably isn't good enough to say "wow, that'* hot, let'* flip the switch", but is probably good enough to achieve my goals by getting a 'head start' before a run and having it on.


Can it keep up on extended boost runs? Probably not. But I don't need more than a 1/4 mile at a time under any circumstances. The car was capable of over 150mph 2 years ago, and I don't do that any more.

I have alot more testing to do. If it doesn't meet expectations, I can scrap it. I have replacement parts ready to go on at any time. Even without it, I'll hit 13'* this year. Stronger motor, bigger injectors I needed last year, and I'm not outflowing my MAF any more. LSD on the way as well.
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Old 02-20-2008, 12:11 AM   #113
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You have a different car now.
And it'* all good.
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Old 02-20-2008, 12:30 AM   #114
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Didn't you add the 1.8'* since the last track visit?
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Old 02-20-2008, 01:23 AM   #115
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This thread is awesome! it explains how the Intercooler works and how it was designed, fabricated, and installed! Great stuff!

I am new to 3800'*, so my question is...Did you fabricate this intercooler because there is not one commercially available for a Series I L67?

I have seen thru many of your performance threads on your 93' that you fabricate your own parts.

Thanks, enjoying this very much!
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Old 02-20-2008, 09:22 AM   #116
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1.8'* were on the car last season, but I was outflowing my stock 29lb injectors and MAF sensor at WOT.

Yes, I fabricated this because there wasn't one commercially available. My goal from the beginning was to build one others could copy for under $400. I succeeded on price, but not on practicality. The fabrication is quite a bit more involved than most people would like.

Whether it suits it'* intended purpose remains to be seen with warm-weather testing and a few tweaks.
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Old 02-20-2008, 11:06 AM   #117
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Congratulations on the intercooler! I knew you could do it. Great work fabricating everything, too. WCBF will be awesome, and I just got a new video-capable phone. Speaking of videos, might we have some please?

Also, did I miss it, or did you not yet tell us which pump you're using?
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Old 02-20-2008, 11:14 AM   #118
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Same pump (Bosch) the Cobra and Lightning use.

My list of materials and sources will be up when I get things working right. I'm still dialing in my fueling, so no vids yet. Getting better daily though.
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Old 02-20-2008, 11:18 AM   #119
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Name:  DSC00954.jpg
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jeez what size are those spark plug wires
10'*

nice job man
my buddy looked at this page last night cuz he is thinking at getting an intercooler for his
01 gtp


from intense.com
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Old 02-20-2008, 11:18 AM   #120
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Thanks! Good luck managing your fuel. Is it easier to tune now?
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