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

possible to install knock sensor on n/a ?

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Old Apr 12, 2005 | 05:47 PM
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possible to install knock sensor on n/a ?

i was considering turboing my n/a within the next year, is there a way to install a knock sensor on my na so i can better tune to know when its going to knock/ is knocking

i saw the safc has built in knock sensor, but i dont know if this sensor would work on an n/a ?
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Old Apr 12, 2005 | 06:09 PM
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The SAFC knock sensor just ties into the stock knock sensor. If you don't have a knock sensor on the car, it ignores the input.

I don't think there's any reason why you couldn't install one - it should just bolt right up.

-=Russ=-
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Old Apr 12, 2005 | 06:17 PM
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Originally Posted by Syonyk
The SAFC knock sensor just ties into the stock knock sensor. If you don't have a knock sensor on the car, it ignores the input.

I don't think there's any reason why you couldn't install one - it should just bolt right up.

-=Russ=-
but how would i tie the knock sensor into whatever is reading it (safc)? my car is n/a so im like 99% sure it has no knock sensor
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Old Apr 12, 2005 | 06:28 PM
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From what I have been told it is only a knock counter on the SAFC and it is kinda useless. The stock knock sensor threads into the front rotor housing. I'm not sure if NAs had this hole on the engine.
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Old Apr 12, 2005 | 06:32 PM
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Originally Posted by ilike2eatricers
From what I have been told it is only a knock counter on the SAFC and it is kinda useless. The stock knock sensor threads into the front rotor housing. I'm not sure if NAs had this hole on the engine.

well that sucks, i would think youd want a knock sensor if you turboed an na engine, im hoping to turbo mine at like 7-10 psi and get like 220-250 whp, im not sure how much it would want to boost since its streetported... but i wont be doing this for a while
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Old Apr 12, 2005 | 06:35 PM
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NA harness also doesnt have the connector for the sensor so wiring it in might be interesting.
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Old Apr 12, 2005 | 07:09 PM
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Originally Posted by MrFuzzy
NA harness also doesnt have the connector for the sensor so wiring it in might be interesting.

yeah i figured that ... that sux too

i wish i had 1500 $ id go buy a haltech but im not exactly ballin
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Old Apr 12, 2005 | 07:11 PM
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could get a microtech for 800 I think =P
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Old Apr 12, 2005 | 07:45 PM
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Originally Posted by MrFuzzy
could get a microtech for 800 I think =P
800 sounds cheap but im assuming thats just for the ecu and none of the sensors, and prolly the cheapest mictrotech there is ( Lt8), most expensive is LT12
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Old Apr 12, 2005 | 07:46 PM
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Microtechs use stock sensors.
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Old Apr 12, 2005 | 07:50 PM
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Originally Posted by SonicRaT
Microtechs use stock sensors.
so then i wouldnt even get to use a knock sensor, that wouldnt help me ! lol
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Old Apr 12, 2005 | 07:52 PM
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You don't seem to be understanding. The problem is your N/A ecu that can't do anything with a knock sensor. A standalone on the other hand, CAN. And since you wire it yourself , you just wire up the knock sensor and be done.

Last edited by SonicRaT; Apr 12, 2005 at 07:55 PM.
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Old Apr 13, 2005 | 01:11 PM
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You don't need a knock sensor anyway. It's way too slow to respond, and by the time it does, the damage is being done.

Proper tuning is, as always, the key. 8 PSI or so on and NA engine is easy. Stock ECU, S-AFC, bigger injectors. When you want to make more power, then you need to look into the standalone. And this is AFTER you have read "EFI Tuning For Dummies" as I have already told you at least 5 times...

DO NOT CONTINUE WITH THIS PROJECT UNLESS YOU WANT TO PAY FOR ANOTHER REBUILD.
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Old Apr 13, 2005 | 02:01 PM
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where can i find the "EFI Tuning for Dummies" at?
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Old Apr 13, 2005 | 02:19 PM
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Originally Posted by TitosToy
where can i find the "EFI Tuning for Dummies" at?
id like to know this also..
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Old Apr 13, 2005 | 02:51 PM
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Sarcasm store.

Seriously, your local library should have a good selection. Search their card catalogue.
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Old Apr 14, 2005 | 11:13 AM
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Originally Posted by Aaron Cake
Sarcasm store.

Seriously, your local library should have a good selection. Search their card catalogue.

i go there all the time. heh heh....
but back to the topic, is the knock sensor a lil grey box that's on the drivers side of the front fenderwell near the firewall??...cuz if so, i got one and it's a 88 n/a.
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