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RX-7 2nd Gen Specific (1986-92) RX-7 1986-92 Discussion including performance modifications and technical support sections.


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\r\n __________________
\r\n -The Angry Stig-
\r\nDGRR 2009, 2011, 2012 & 2013 - Best FC
\r\n
\r\nDEALS GAP!! WOOHOOOO!!!!!
\r\n
\r\n2015 Audi S4 - Samantha - Zero Brap S4
\r\n2004 RX8 - Jocelyn - 196rwhp, 19mpg fuel to noise converter
\r\n2000 Jeep Cherokee Sport - Wifey mobile - Now with 2.5" OME lift and 30" BFG AT KO\'s! So it begins
\r\n1998 Jeep Cherokee - 5 spd, 4" lift, 33" BFG\'s - Rotary Tow Vehicle
\r\n1988 \'Vert - In progress
\r\n1988 FC Coupe - Gretchen -The attention whore BEAST!
\r\n
\r\n
\r\nI\'m a sick individual, what\'s wrong with you?
\r\nI\'m pure Evil
\r\nI\'m still insane, in the best possible way.
\r\nI think Brian\'s idea of romance is using lube.
\r\nYour rage caused the meteor strike in Russia. The Antichrist would be proud of his minion.
\r\nYou win with your thread. Most everything
\r\nIt\'s a truck with a steel gate on the back. Just a statement of fact
\r\n
\r\nMotec M820, AIM dash, ported 13B-RE Cosmo, 6-spd trans, 4.3 Torsen, custom twin wg fully divided mani, Custom 4" split into 2x 3" exhaust, Custom HMIC, Custom custom custom custom I like to welder stuff....
\r\nNo Bolt-ons allowed. Dyno\'ed @ Speed1 Tuned by me - 405rwhp on WG.... WM50 cuming soon.
\r\n-Angry Motherf*cker Mode ENGAGED-\r\n
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\r\n __________________
\r\n \'89 RX7 GTU, half-Bridge-port S4/S5 NA, E6K, Full RB exhaust, weekend warrior.
\r\n\'83 RX7, The "this might take awhile" project.
\r\n\'87 RX7 GXL, Rest In Pieces.
\r\n\'98 Subaru Impreza Outback-sport, rx7 rescue vehicle, down for repair.
\r\n\'94 Ford Ranger, daily.\r\n
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Old 06-22-2009, 10:59 PM   #1
TitaniumTT
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Default Do your Coolant temps and AIT's a favor

Plug the exhaust port passages in your housings. I know there are a few 2nd gen owners in the middle of rebuilds now so I thought I'd post this here as well.

Recently I rebuilt a motor and the ONLY thing that I changed, aside from the seals and the housings, was to plug the exhaust port passages in the housings. In my case, they were RE housings and have a HUGE port with an insert in them. I first tried tapping the insert for 1/4" NPT but the insert started spinning. So I drove that out and tried for 3/8" NPT. No dice as the housing would have to be machined. Instead what I ended up doing was taking my plate of 3/8" 5052 aluminum and cutting out something that resembled a circle of about .6". Then I spent a fair amount of time hand fitting it to .550" with a slight taper in it. I then drove that mother into the passage blocking all the exhaust gas from making it's way through the housing, into the LIM which, obviously, has the ACV & EGR passages blocked. I was quite proud of those little pieces. Here they lay



So, what was the result? Sadly I cannot speak intelligently on the AIT's as I'm measuring them pre-TB. Coolant temps however......... mine are retarded to begin with, generally they were around 174-175* on the highway and never getting above 187*. They are consistantly ~4* colder and the ambient temp has risen about 10* on average. All that from blocking the little f'n port underneath the exhaust sleeves. I will NEVER build another motor with these things left open.






__________________
-The Angry Stig-
DGRR 2009, 2011, 2012 & 2013 - Best FC

DEALS GAP!! WOOHOOOO!!!!!

2015 Audi S4 - Samantha - Zero Brap S4
2004 RX8 - Jocelyn - 196rwhp, 19mpg fuel to noise converter
2000 Jeep Cherokee Sport - Wifey mobile - Now with 2.5" OME lift and 30" BFG AT KO's! So it begins
1998 Jeep Cherokee - 5 spd, 4" lift, 33" BFG's - Rotary Tow Vehicle
1988 'Vert - In progress
1988 FC Coupe - Gretchen -The attention whore BEAST!


I'm a sick individual, what's wrong with you?
I'm pure Evil
I'm still insane, in the best possible way.
I think Brian's idea of romance is using lube.
Your rage caused the meteor strike in Russia. The Antichrist would be proud of his minion.
You win with your thread. Most everything
It's a truck with a steel gate on the back. Just a statement of fact

Motec M820, AIM dash, ported 13B-RE Cosmo, 6-spd trans, 4.3 Torsen, custom twin wg fully divided mani, Custom 4" split into 2x 3" exhaust, Custom HMIC, Custom custom custom custom I like to welder stuff....
No Bolt-ons allowed. Dyno'ed @ Speed1 Tuned by me - 405rwhp on WG.... WM50 cuming soon.
-Angry Motherf*cker Mode ENGAGED-
TitaniumTT is offline   Reply With Quote
 

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