2nd Generation Specific (1986-1992) 1986-1992 Discussion including performance modifications and technical support sections.

Front Mount dimensions?

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Old Nov 16, 2004 | 09:05 PM
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Front Mount dimensions?

What is the biggest size intercooler we can fit in the front of a stock S4 Rx7 im looking for a front mount but not shure on what size looking to boost ar ound 15 to 16 psi not to much
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Old Nov 16, 2004 | 09:08 PM
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How much are you willing to cut?


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Old Nov 16, 2004 | 09:17 PM
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i dont want to look like some FC's ive seen out there that you have like 3 inches on each side of the bumper and the rest is intercooler... i want a normal size like maybe the Srt4 or Evo8 something like that
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Old Nov 16, 2004 | 10:37 PM
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https://www.rx7club.com/2nd-generation-specific-1986-1992-17/fmic-project-completed-343381/

Thats as big as you are going to get without cutting the front bumper...

Core is 20X8X3 with three inch end tanks.. so 26x8x3 over all, It will mount between the frame rails behind the bumper support.

Gotta do a lot of pipe work though, and a bit of metal cutting beside the radiator for the pipes to route, but it ain no biggie.

15 PSI at the track with 85 Degree heat and my intake temps never break 115. (with a good front lip it should be lower, but mine is trash)

Thats what I did... There are a lot of other guys out the with good designs as well.

Last edited by YearsOfDecay; Nov 16, 2004 at 10:40 PM.
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Old Nov 16, 2004 | 11:24 PM
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Originally Posted by YearsOfDecay
https://www.rx7club.com/showthread.php?t=343381

Thats as big as you are going to get without cutting the front bumper...

Core is 20X8X3 with three inch end tanks.. so 26x8x3 over all, It will mount between the frame rails behind the bumper support.

Gotta do a lot of pipe work though, and a bit of metal cutting beside the radiator for the pipes to route, but it ain no biggie.

15 PSI at the track with 85 Degree heat and my intake temps never break 115. (with a good front lip it should be lower, but mine is trash)

Thats what I did... There are a lot of other guys out the with good designs as well.
I inspected his work. For a dumb ***, he did a great job on the install!
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Old Nov 17, 2004 | 12:03 AM
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Mines 33x10x3 overall, but I had to cut "a little metal"
Attached Thumbnails Front Mount dimensions?-p1-5-.jpg  
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Old Nov 17, 2004 | 07:24 AM
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that last one is huge the one in the pic aint to bad i like that. Yearsofdecay how much are you boosting and how much hp can that FMIC hold?
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Old Nov 17, 2004 | 08:07 AM
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I got my BNR boosting at 15PSI steady.. From what i glean, thats about it for that turbo, From what the guy who makes the IC's told me, he has the same core on a car making 600HP at 20 PSI with 115 degree intake temps @ 80 degree outside air temps.

This IC isn't going to take the same numbers as a the huge *** greedy units, but, my design specs when i built it were 1) no removal or cutting of the front bumper, 2) to mount it between the frame rails for protection of the IC in case some jackass decided to back into me or something and finally, to keep the cost down..

the IC cost about 300 the pipes, t-bolt clamps and silicone couplers brought the total to around $550.

Therefore, as designed, it performes flawlessly.

That being said, if money is not a problem and you don't mind cutting the hell out of your bumper and re-enforcement... get the big boy, If I ever get the student loans paid off... i probably will!!

Last edited by YearsOfDecay; Nov 17, 2004 at 08:20 AM.
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Old Nov 17, 2004 | 08:21 AM
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From: Directly above the center of the earth (York, PA)
Originally Posted by Carl Byck
Mines 33x10x3 overall, but I had to cut "a little metal"

Is that a custom hood?????? Looking for a vent hood myself
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Old Nov 18, 2004 | 04:27 PM
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From: Jefferson City, Tn
bump any ideas on a front mount??
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Old Nov 18, 2004 | 06:45 PM
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Spearco makes good cores. Mine is the 2-178, 20"x8"x3.5" if i remember correctly.
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