# Intercooler needed?

**URL:** <https://forum.g2ic.com/t/intercooler-needed/28133>\
**Category:** Forced Induction\
**Created:** [September 13, 2002, 3:29am UTC](https://forum.g2ic.com/t/intercooler-needed/28133 "2002-09-13T03:29:32Z")\
**Posts on this page:** 20\
**Page:** 1

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**Author:** ![system](https://forum.g2ic.com/user_avatar/forum.g2ic.com/system/32/1_2.png) [@system](https://forum.g2ic.com/u/system)\
**Post date:** [September 13, 2002, 3:29am UTC](https://forum.g2ic.com/t/intercooler-needed/28133/1 "2002-09-13T03:29:32Z")

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Whats the max amount of boost I can run w/out an intercooler? I tried a search ☹ I will be using the afc hack (w/out the afc, heh) so I can run super rich if need be…

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**Author:** ![system](https://forum.g2ic.com/user_avatar/forum.g2ic.com/system/32/1_2.png) [@system](https://forum.g2ic.com/u/system)\
**Post date:** [September 13, 2002, 3:31am UTC](https://forum.g2ic.com/t/intercooler-needed/28133/2 "2002-09-13T03:31:12Z")

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My entire turbo setup will be just under $300 w/out an intercooler or bov. So you can see my reluctance to spend $200 on an intercooler, a stupid piece of hollow metal that probably costs $20 to make.

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**Author:** ![system](https://forum.g2ic.com/user_avatar/forum.g2ic.com/system/32/1_2.png) [@system](https://forum.g2ic.com/u/system)\
**Post date:** [September 13, 2002, 11:50am UTC](https://forum.g2ic.com/t/intercooler-needed/28133/3 "2002-09-13T11:50:36Z")

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stock compression? uh… 3psi

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**Author:** ![system](https://forum.g2ic.com/user_avatar/forum.g2ic.com/system/32/1_2.png) [@system](https://forum.g2ic.com/u/system)\
**Post date:** [September 13, 2002, 3:30pm UTC](https://forum.g2ic.com/t/intercooler-needed/28133/4 "2002-09-13T15:30:24Z")

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Typically, anything over 6psi SHOULD have an I/C, but like you said if you run a little on the RICH side, you’ll be alright.

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**Author:** ![system](https://forum.g2ic.com/user_avatar/forum.g2ic.com/system/32/1_2.png) [@system](https://forum.g2ic.com/u/system)\
**Post date:** [September 13, 2002, 3:37pm UTC](https://forum.g2ic.com/t/intercooler-needed/28133/5 "2002-09-13T15:37:08Z")

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he’s using stock injectors though. correct?

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**Author:** ![system](https://forum.g2ic.com/user_avatar/forum.g2ic.com/system/32/1_2.png) [@system](https://forum.g2ic.com/u/system)\
**Post date:** [September 13, 2002, 5:45pm UTC](https://forum.g2ic.com/t/intercooler-needed/28133/6 "2002-09-13T17:45:48Z")

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An intercooler doesn’t have to cost 200. You can get all types for less than that, from a Starion FMIC to an Eclipse SMIC. Shop around and see what you get, or better yet, go to the junkyard and pull one yourself!

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**Author:** ![system](https://forum.g2ic.com/user_avatar/forum.g2ic.com/system/32/1_2.png) [@system](https://forum.g2ic.com/u/system)\
**Post date:** [September 13, 2002, 8:34pm UTC](https://forum.g2ic.com/t/intercooler-needed/28133/7 "2002-09-13T20:34:53Z")

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I have a set of Turbo mr2 injectors, 440cc

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**Author:** ![system](https://forum.g2ic.com/user_avatar/forum.g2ic.com/system/32/1_2.png) [@system](https://forum.g2ic.com/u/system)\
**Post date:** [September 13, 2002, 8:44pm UTC](https://forum.g2ic.com/t/intercooler-needed/28133/8 "2002-09-13T20:44:27Z")

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ok nevermind then. I still wouldnt run anything past 5psi. Ofcourse I wouldnt be putting together an intercoolerless turbo set up either. So to each his own.

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**Author:** ![system](https://forum.g2ic.com/user_avatar/forum.g2ic.com/system/32/1_2.png) [@system](https://forum.g2ic.com/u/system)\
**Post date:** [September 13, 2002, 8:56pm UTC](https://forum.g2ic.com/t/intercooler-needed/28133/9 "2002-09-13T20:56:36Z")

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> Originally posted by B17A   
> An intercooler doesn’t have to cost 200. You can get all types for less than that, from a Starion FMIC to an Eclipse SMIC. Shop around and see what you get, or better yet, go to the junkyard and pull one yourself!

People now know that starion intercoolers can be used cheaply, so everyone sells them for more than they are worth. The cheapest i’ve seen them for is $175

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**Author:** ![system](https://forum.g2ic.com/user_avatar/forum.g2ic.com/system/32/1_2.png) [@system](https://forum.g2ic.com/u/system)\
**Post date:** [September 13, 2002, 9:01pm UTC](https://forum.g2ic.com/t/intercooler-needed/28133/10 "2002-09-13T21:01:33Z")

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> Originally posted by notecLS   
> People now know that starion intercoolers can be used cheaply, so everyone sells them for more than they are worth. The cheapest i’ve seen them for is $175   
> Which is the reason I added that you should check the junkyards out.

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**Author:** ![system](https://forum.g2ic.com/user_avatar/forum.g2ic.com/system/32/1_2.png) [@system](https://forum.g2ic.com/u/system)\
**Post date:** [September 13, 2002, 9:16pm UTC](https://forum.g2ic.com/t/intercooler-needed/28133/11 "2002-09-13T21:16:45Z")

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> Originally posted by B17A   
> Which is the reason I added that you should check the junkyards out.

Theres only 1 junkyard that has imports in my town, and its 90% old rx7’s ☹

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**Author:** ![system](https://forum.g2ic.com/user_avatar/forum.g2ic.com/system/32/1_2.png) [@system](https://forum.g2ic.com/u/system)\
**Post date:** [September 13, 2002, 9:48pm UTC](https://forum.g2ic.com/t/intercooler-needed/28133/12 "2002-09-13T21:48:40Z")

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where do you live? a junkyard should have any car that has been wrecked well at least that’s how it is here. anyway go get you an old rx7 intercooler, i’m sure it can be had for cheap

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**Author:** ![system](https://forum.g2ic.com/user_avatar/forum.g2ic.com/system/32/1_2.png) [@system](https://forum.g2ic.com/u/system)\
**Post date:** [September 13, 2002, 11:37pm UTC](https://forum.g2ic.com/t/intercooler-needed/28133/13 "2002-09-13T23:37:20Z")

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> Originally posted by yellaboi   
> where do you live? a junkyard should have any car that has been wrecked well at least that’s how it is here. anyway go get you an old rx7 intercooler, i’m sure it can be had for cheap

old rx7’s didnt come turbo’d

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<div class="post-metadata">

**Author:** ![system](https://forum.g2ic.com/user_avatar/forum.g2ic.com/system/32/1_2.png) [@system](https://forum.g2ic.com/u/system)\
**Post date:** [September 13, 2002, 11:55pm UTC](https://forum.g2ic.com/t/intercooler-needed/28133/14 "2002-09-13T23:55:13Z")

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> Originally posted by notecLS   
> old rx7’s didnt come turbo’d

yes they did

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<div class="post-metadata">

**Author:** ![Gibson](https://forum.g2ic.com/letter_avatar_proxy/v4/letter/g/f0a364/32.png) [@Gibson](https://forum.g2ic.com/u/Gibson)\
**Post date:** [September 14, 2002, 12:20am UTC](https://forum.g2ic.com/t/intercooler-needed/28133/15 "2002-09-14T00:20:47Z")

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i just got 2 eclispe intercoolers because my stoned ass thought that i could some how fit 2 of them because they are so small. I will sell ya one in a few weeks because the kid i bought them off of cut off the “connecting tubes” i guess you can call them so i have to get them welded back on. Then just give me 80 bucks and it is yours and you can keep your ac and power steering. Then also boost about 10 Psi

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<div class="post-metadata">

**Author:** ![system](https://forum.g2ic.com/user_avatar/forum.g2ic.com/system/32/1_2.png) [@system](https://forum.g2ic.com/u/system)\
**Post date:** [September 14, 2002, 12:25am UTC](https://forum.g2ic.com/t/intercooler-needed/28133/16 "2002-09-14T00:25:57Z")

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yea i’ll also have a stock DSM intercooler for sale in a couple days when my big fat nice one goes in :horny:

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<div class="post-metadata">

**Author:** ![system](https://forum.g2ic.com/user_avatar/forum.g2ic.com/system/32/1_2.png) [@system](https://forum.g2ic.com/u/system)\
**Post date:** [September 14, 2002, 12:50am UTC](https://forum.g2ic.com/t/intercooler-needed/28133/17 "2002-09-14T00:50:27Z")

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> Originally posted by Formz TSi   
> yes they did

I’m talking 1st gen’s… some 2nd gens were turbo’d, and all 3rd gens are turbo. Now mazda looped back around, the 4g’s arent turbo’d ☹

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**Author:** ![qwkteg125](https://forum.g2ic.com/user_avatar/forum.g2ic.com/qwkteg125/32/22_2.png) [@qwkteg125](https://forum.g2ic.com/u/qwkteg125)\
**Post date:** [September 14, 2002, 1:29am UTC](https://forum.g2ic.com/t/intercooler-needed/28133/18 "2002-09-14T01:29:51Z")

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I say make a custom intercooler to go with your custom kamikaze turbo header with plastic inline oil pump & afc hack without an afc. Here’s what you need:

- 1 pipe 2.5" in diameter & about 25" long
- 1 pipe 4" in diameter & about 23" long
- 2 4" diameter endcaps

Stick the 2.5" pipe into the 4" pipe. Take the 4" endcap & drill a 2.5" hole in the middle. Then fit the 2.5" pipe into that hole & then seal the ends around the 4" pipe so that it is water-tight. Now you should have a 4" diameter empty chamber surrounding the 2.5" pipe. Fill the chamber 3/4 of the way with water & then seal the other end with your remaining 4" modified endcap. Route this in the front of your bumper connected to the rest of your ic piping.

Now when you want to race with full boost disconnect the front mount pipe setup & put it into the freezer for 3 hrs so the water inside freezes. Take it out & then quickly reconnect it back to your car & race away with chilled air 🆒

I’ve seen this setup support over 300hp so it should work really well for you. Here’s a schematic drawing to help you get started:  
 ![](http://home.pacbell.net/dyuen125/intercooler.jpg)

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<div class="post-metadata">

**Author:** ![system](https://forum.g2ic.com/user_avatar/forum.g2ic.com/system/32/1_2.png) [@system](https://forum.g2ic.com/u/system)\
**Post date:** [September 14, 2002, 1:47am UTC](https://forum.g2ic.com/t/intercooler-needed/28133/19 "2002-09-14T01:47:50Z")

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🤣 🤣 🤣 🤣

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<div class="post-metadata">

**Author:** ![system](https://forum.g2ic.com/user_avatar/forum.g2ic.com/system/32/1_2.png) [@system](https://forum.g2ic.com/u/system)\
**Post date:** [September 14, 2002, 1:48am UTC](https://forum.g2ic.com/t/intercooler-needed/28133/20 "2002-09-14T01:48:21Z")

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> Originally posted by qwkteg125   
> [B]I say make a custom intercooler to go with your custom kamikaze turbo header with plastic inline oil pump & afc hack without an afc. Here’s what you need:

- 1 pipe 2.5" in diameter & about 25" long
- 1 pipe 4" in diameter & about 23" long
- 2 4" diameter endcaps

Stick the 2.5" pipe into the 4" pipe. Take the 4" endcap & drill a 2.5" hole in the middle. Then fit the 2.5" pipe into that hole & then seal the ends around the 4" pipe so that it is water-tight. Now you should have a 4" diameter empty chamber surrounding the 2.5" pipe. Fill the chamber 3/4 of the way with water & then seal the other end with your remaining 4" modified endcap. Route this in the front of your bumper connected to the rest of your ic piping.

Now when you want to race with full boost disconnect the front mount pipe setup & put it into the freezer for 3 hrs so the water inside freezes. Take it out & then quickly reconnect it back to your car & race away with chilled air 🆒

I’ve seen this setup support over 300hp so it should work really well for you. Here’s a schematic drawing to help you get started:  
 [/B]

One problem with yoru setup is water expands, compressing the air possibly building alot of pressure inside the tube. I think I will try to hack a radiator

I will post pics of my setup in like 2 weeks, which is when i get paid so i can buy charge pipes and downpipe. Is it s afe to run w/out a downpipe for like a week?

[Next page](https://forum.g2ic.com/t/intercooler-needed/28133.md?page=2)
