Oppo I Need Help - Calling Rotary Experts

"Powershiftmedia-ResidentDSMGuru" (matt-powershiftmedia) 02/16/2020 at 09:39 • Filed to: Rx-7

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Hey y’all, I just ordered all new oil metering pump lines, gaskets, o-rings and crush washers. I’m wanting to also order brand new oil injectors while I’m in there. Except Atkins rotary isn’t remotely specific about how many are applicable.

There’s 4 oil metering lines. Does this mean there’s four oil injectors? Also the pre-molded vacuum lines are NLA and searching hadn’t yielded me any luck. Anyone happen to know an approximate sizing on those in respect to diameter?

Thanks in advance everybody. 

AkursedX > Powershiftmedia-ResidentDSMGuru 02/16/2020 at 09:49

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Yes on the 4 injectors. Two on each housing. I don't know about the vacuum lines though. Don't a lot of people switch to silicone vacuum hoses though?

Powershiftmedia-ResidentDSMGuru > AkursedX 02/16/2020 at 09:54

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Thank you so much! I assume all four injectors are the same, as I only see one part number for the turbo FC?

I’m swapping to all new silicone lines but some of the bigger ones seem to have a big OD. Take this hose for instance. It’s listed as a non turbo hose that runs from the throttle body to the “vacuum spider” they don’t list one for the turbo.

AkursedX > Powershiftmedia-ResidentDSMGuru 02/16/2020 at 10:13

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I believe all the injectors are the same.

I know the make larger silicone vacuum hoses, but you need to make sure you use quality ones as cheap ones like to collapse and cause issues (I know that from experience on my old turbo Fiero).

Im not fully up to date on older 13b's to know what you can get away with in the aftermarket. And if Atkins doesn't have it, I'd say that your going to have a very hard time finding one unfortunately.

Powershiftmedia-ResidentDSMGuru > AkursedX 02/16/2020 at 11:48

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Thank you so much for your help! I’ll just have to measure and do my best. I’ll be rocking some Mishimoto hose 

MM54 > Powershiftmedia-ResidentDSMGuru 02/16/2020 at 15:02

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I was all gung-ho to answer when I started reading the question, but all my OMP experience is with carb’ed 12As that just have the two ports on the car b base it dribbles into.