Run map sensor on front or back Fast 102 - LS1TECH

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Run map sensor on front or back Fast 102

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Old 02-05-2012, 04:10 PM   #1
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Default Run map sensor on front or back Fast 102

Whats up fellas, ive got a Fast 102 being ported by Tony Mamo to go on my new stroker motor, my question is , ive read where alot of guys are having issues with the map sensor being on the back of the 102 coming in contact with the fire wall , are most of u guys just relocating it to the front by extending the harness or is there a trick to running it on the back without issues. Personally it looks cleaner on the back out of the way, but i dont want it to break off .....let me know fellas
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Old 02-05-2012, 04:11 PM   #2
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Mine is on the front.. not sure of the issues on the back I haven't looked into it.. I think it would look better on the back too but since your intake will be black it will kind of blend now.
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Old 02-05-2012, 04:18 PM   #3
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Its been taking me forever because i have been busy and on leave and stuff, but i should be putting my new waterpump/fast 102 back on tomorrow. I made a extension for my map and am mounting it on the front also, so i dont have to deal with it back there against the firewall. Yea, it does look better hidden i agree, but for me its just easier to get to and one less thing i have to deal with bolting the intake back down.
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Old 02-05-2012, 05:09 PM   #4
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On my LS7 headed Fast 102 setup it was tight but doable. As soon as i did my buds cathedral port Fast it was a huge issue. Moved it to the front and was good to go. Both of these were F-Body cars by the way
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Old 02-05-2012, 05:55 PM   #5
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Gotcha, im gonna go ahead and mount it on the front , i can clean it up with some braided loom or something
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Old 02-05-2012, 05:59 PM   #6
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Yea i have my extension in some grey cloth loom that is really tight to the wires and small, i can run in between the intake and fuel rails, so you cant really notice the wires
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Old 04-14-2013, 01:17 PM   #7
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did your fast 102 come with block off plates for the rear? If not, what did you guys use to plug that hole for the MAP sensor for the rear?
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Old 04-14-2013, 03:06 PM   #8
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Neither hole was drilled from new. This way you have a choice front or back
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Old 04-15-2013, 11:08 AM   #9
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mine wasn't new so the rear was drilled out. I just plugged it with an AN fitting
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Old 04-15-2013, 12:19 PM   #10
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You will get a better reading on the back of the intake. If you are running a MAF tune it really want matter front or rear but if you are going with SD, it will work alot better on rear.
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Old 04-15-2013, 01:26 PM   #11
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with F-body cars the sensor hits the firewall.
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Old 04-15-2013, 01:33 PM   #12
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I have a o2 WS6, mine is mounted on back of a FAST LSXr with no modifications and it clears the firewall plugged in, but there is not much room to spare, can be done.
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Old 04-16-2013, 11:06 AM   #13
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Quote:
Originally Posted by FAST Beast View Post
You will get a better reading on the back of the intake. If you are running a MAF tune it really want matter front or rear but if you are going with SD, it will work alot better on rear.
Sounds good!! I'm running a turbo kit with the MAF delete so the MAP sensor behind the TB will work perfect!!!
Thanks for looking out.
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