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LT1 intake on my L98 Corvette

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Old May 28, 2003 | 04:20 PM
  #1  
Boba Vett's Avatar
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From: Toledo OH
LT1 intake on my L98 Corvette

Wanted to post this here since this is where I got the Idea.
Big improvement over my ported and siamesed tpi. I actually have more torque with the lt1, pulls smoothly from under 1000rpm. I can take off at idle slowly letting the clutch out, just like the stock tpi but no more of the chugging at low speed. It would stall before without revving it to about 1100. Low end feels real strong then really starts to pull at 3000 to about 5200. Its running lean right now with the 22lb injectors and stock FPR, I'm gonna swap in the 24lb'ers and then an AFPR. Definately need more fuel with all the air it's getting now
It was a fairly easy swap just did everthing on http://www.lt1intake.com/ also got the dist spacer and t-stat housing from John. Thanks John . I also milled down and filled the EGR so I could keep my large dist, it clears by about a 1/4". It would have been alot easier if I would have had late model heads PITA with the early style bolt angle.

The clamps are temporary , I'm making brackets and will clean and detail later. I just wanted to test everything first. So far 2 weeks and about 300 miles no problems or leaks No cooling issues either, I was a lil worried about the remote set up.

I'm very happy with it so far and best of all I've got under $300 total in it Hope to get to the drag strip next month to get it tuned.

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Old May 28, 2003 | 04:20 PM
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Old May 28, 2003 | 04:21 PM
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Old May 28, 2003 | 04:22 PM
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Old May 28, 2003 | 04:38 PM
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From: Anderson, IN
Car: 86 Cutlass
Engine: 350
Transmission: 200-4R
Looks good. What are you running as far as the rest of the engine goes?
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Old May 28, 2003 | 06:00 PM
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Just removed the smog stuff/pump and tb bypass. The rest is all stock, even the air filter.
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Old May 28, 2003 | 07:19 PM
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From: Anderson, IN
Car: 86 Cutlass
Engine: 350
Transmission: 200-4R
Cool. Was just curious because I haven't heard anybody compare a siamesed setup to a LT1 intake. About how far was your intake siamesed? I did mine to 2.5". As soon as I can get the car running again I'll be swapping the LT1 intake on.
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Old May 28, 2003 | 11:51 PM
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Holy moly. That remote thermostat housing just fit in there!
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Old May 29, 2003 | 02:16 PM
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I siamesed mine about 3". Really killed my torque. Probably wouldn't have noticed as much on an auto.

Yeah it mounted there perfect with 1/2" to spare

Last edited by Boba Vett; May 29, 2003 at 08:16 PM.
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