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-   -   Boost Senser (https://www.nopistons.com/2nd-generation-specific-17/boost-senser-21567/)

rx7raca 07-28-2003 12:25 PM


Originally Posted by FCmaniac' date='Jul 28 2003, 08:55 AM
On NA there is a line going from the LIM between the primary injectors, up to the dynamic chamber . You run your FPR straight to the back of the dynamic chamber, by the BACV and AWS solenoid theres a nipple. Then you take the boost sensor and run it directly to the UIM, near the junction between the UIM and LIM...

what is the fpr? and which side of the chamber is the BACV and AWS solenoid on(looking from the passenger side of the car)?





ok i jus went outside and took a look at the manifold, i was lil confused be4 but i have couple questions...

i see on the LIM there is 2 vaccum lins going to it, then rite in the middle of the UIM, there is a nippe for a vaccum line that i ran to the chamber, u say that is for the boost senser tho,



second question, on the left side of the UIM there are 2 nipples(firewall side) what are those for? these are the nipples that i am really confused about

FCmaniac 07-28-2003 12:35 PM


Originally Posted by rx7raca' date='Jul 28 2003, 01:25 PM
[quote name='FCmaniac' date='Jul 28 2003, 08:55 AM']



On NA there is a line going from the LIM between the primary injectors, up to the dynamic chamber . You run your FPR straight to the back of the dynamic chamber, by the BACV and AWS solenoid theres a nipple. Then you take the boost sensor and run it directly to the UIM, near the junction between the UIM and LIM...

what is the fpr? and which side of the chamber is the BACV and AWS solenoid on(looking from the passenger side of the car)?





ok i jus went outside and took a look at the manifold, i was lil confused be4 but i have couple questions...

i see on the LIM there is 2 vaccum lins going to it, then rite in the middle of the UIM, there is a nippe for a vaccum line that i ran to the chamber, u say that is for the boost senser tho,



second question, on the left side of the UIM there are 2 nipples(firewall side) what are those for? these are the nipples that i am really confused about [/quote]

the FPR is the fuel pressure regulator... the BACV and AWS solenoid are on the back of the dynamic chamber (driver's side above your spark plugs)..



yes, the LIM has two nipples right below the UIM nipple.. UIM nipple is for boost sensor (at least how I have it hooked up https://www.nopistons.com/forums/pub...IR and the LIM one is for fuel atomization like Pengaru said.. to maintain an even level of vacuum between UIM and LIM.. other LIM one is for ACV I believe.



I don't know... I can't access it right now but just go to fc3s.org, how-to section, manuals, 86-88 FSM, fuel and emissions non-turbo.... the diagram is in that section and shows you how each line will route.

rx7raca 07-28-2003 12:42 PM


Originally Posted by FCmaniac' date='Jul 28 2003, 09:35 AM
I don't know... I can't access it right now but just go to fc3s.org, how-to section, manuals, 86-88 FSM, fuel and emissions non-turbo.... the diagram is in that section and shows you how each line will route.



im not a newb https://www.nopistons.com/forums/pub...#>/biggrin.png



trust me ive looked at the manual for hours tryin to figure out what goes on that left side of the UIM, im thinking maybe one of the nipples on the LIM might go to that cold start thing, for the butterfly flaps, but im not sure becuase i removed that and ported my TB.



jfd3s-do u know what goes on the UIM on the firewall side? theres 2 nipples,waht connnects to them?

rx7raca 07-28-2003 12:43 PM

for the cold start thing i mean the UIM.

FCmaniac 07-28-2003 01:09 PM

only trying to help.. I don't care if you're a newb or Wankel himself! https://www.nopistons.com/forums/pub...#>/biggrin.png



check out this thread I found:



diagram



I know you said you looked at this before but I think those two on the back are for the stock TB.



Doesn't anyone have a stock S4 they can look at quick?

rx7raca 07-28-2003 01:28 PM

1 Attachment(s)
this pics is different, i dont know if that pic is for s4 or s5 but i dont remember there being a nipple on the inside of the LIM, on the manual from fc3s.org(thats where i printed mine from) it showsthat hose going to the from the ofthe LIM,

hmmm


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