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Index > @ the Pickup Bed (General Topics) > Thread: Upgrade to fuel injection
Thread: Upgrade to fuel injection
CCRider


Newbie
Posts: 1
posted January 25, 2007 02:03 PM

Upgrade to fuel injection

has any one put a new rx7 fuel injected rotary engine in there repu? i was wondering how difficult it would be?

       
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jfaplanet


Redlining
Posts: 356
posted January 25, 2007 03:27 PM

check out the gallery

http://www.mazdarepu.com/Gallery/index.php3?album=rtrypwrs++repu&photo=uploads/Aut_0005.jpg
____________
74 REPU "Red"
74 REPU "Jethro" "TII"
74 RE-Courier vert
79 SA-SE(aka deathtrap)
79 SA-SE-FC (project
turbo)
http://home.bellsouth.net
/p/PWP-crgj
TN Forum:
http://tnrotary.10.forume
r.com/

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moon


1st Gear
Posts: 26
posted January 26, 2007 04:15 PM

where did you get the bedliner??? pickup looks good. been looking for a bedliner for years. looks like it was made for it. who makes it?
thanks
moon

       
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rotaryguyseth


Newbie
Posts: 5
posted January 29, 2007 07:11 PM

im in the procoss of doing the same thing, did you use a stand alone ecu or did you use the stock one? if you used the stock one how hard was it too work?
i want to use a stock ecu because i dont want to deal with tuning the truck.

       
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jfaplanet


Redlining
Posts: 356
posted January 29, 2007 07:29 PM

Not my truck

Its just one in the gallery, Not sure who's it is. Good luck with your project, I'm doing what Dan did. TII
____________
74 REPU "Red"
74 REPU "Jethro" "TII"
74 RE-Courier vert
79 SA-SE(aka deathtrap)
79 SA-SE-FC (project
turbo)
http://home.bellsouth.net
/p/PWP-crgj
TN Forum:
http://tnrotary.10.forume
r.com/

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rotaryguyseth


Newbie
Posts: 5
posted January 30, 2007 12:21 PM

dam i wanted to do a TII put i have all the parts to do a NA it will only cost me the price of a seal kit and some springs.

       
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G


Newbie
Posts: 9
posted May 14, 2007 09:29 PM

It looks to be the stock ECU as the OE emissions soleniods and mass air flow unit are still there

       
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MattREPU


Newbie
Posts: 6
posted May 28, 2007 12:52 PM

EFI

I have GSL-SE EFI in my truck + turbo.

It's not the same as T-II, but the process is the same. I have done T-II in an 80 RX-7

I traced out the whole engine harness (with help from an 84 shop manual) identifying all the point where Power / Ground needed to be. Once I knew that, I had to run a couple of additional wires within the harness to simplify the connections to the chassis. The end result was the engine harness making a single connection for +12, Ground, IG-, and Start +12.

It was well worth the effort to trace out the harness. I did the same setup on my 83 RX-7 years ago and not only was it a pain, it was an ugly install. Getting the harness ready made the install way easier.

The pinout diagram for the ECU is the most important one to have, but there are a couple of places other than the end of the harness that would normally connect to the body harness under the dash were you need to run +12. Most noteably the two connections just past the firewall gromet.

As side notes...

The SE intake is tiny. I lost a lot of power on the big end compaired to the Delortoe 48's. 86-88 would be much better.

Headers ( at least the ones on my truck ) interfear w/ the 6-port actuators, and the line which feeds them.

Fuel is a bit of a pain. Low pressure drop is very important on the suction side of the pump. The pickup tube in my tank was perforated. I ended up taping a hole in the drain plug.



-Matt
____________
74 REPU 6-port EFI
83 RX-7

       
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