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RX-7 3rd Gen Specific (1993-2002) RX-7 1993-2002 Discussion including performance modifications and Technical Support Sections.

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Old 03-22-2014, 01:30 AM   #1
TitaniumTT
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Originally Posted by speedjunkie View Post
LOL I didn't even think about if they were loud or not. I guess I don't need to change my exhaust to be quieter or reroute my dump tubes now lol. Honestly, I'd much rather have gone with smaller pumps too, but it seemed like the 044s were the most reliable out there right now. I was trying to wait for the new one Paul Yaw is working on with Bosch but I can't wait, I need to get this done. I'll switch to that pump down the road sometime.
Oh really? Do you have a link to anything about what Paul is up to now?

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Originally Posted by speedjunkie View Post
I wasn't talking about a bulkhead. I was just talking about the connector on the CJ Motorsports hanger.
Ah, Ok... yeah... Yordan wired one of those in at the shop, I don't remember what size wire he ended up using.

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OK I'll get ahold of Charles then. I never thought about asking him what they could handle. I thought about asking him what gauge he would suggest but I figured I'd check to see what others used first.
It would nice if the pins could handle 14ga wire and north of 15A....

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Originally Posted by speedjunkie View Post
The CJM connector has six pins, so I was planning on using two for the sender and low level, and then the other four for the two pumps. I was planning on using something larger than 18ga if I can, I'll probably do 14ga, but I'll check with Charles first. I want to get really good wiring for the fuel pumps, I'm not playing around with something as important as that. Do you get the Tefzel/ETFE from ProWireUSA?
Yeah, I don't know what to do if the pins won't carry enough current. I suppose you could add another bulkhead connector.

Yes, I get the wire from Joe.

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Originally Posted by speedjunkie View Post
Yeah I already got the nuts for the studs on the pumps, they were not supplied with mine. I was just curious if there were solderless connectors out there that were good for submerging in fuel or if all solderless connectors were OK for that.
Any connector will work.... It's the heatshrink that is going to be a pain. Joe may have something that will work. I still have a foot or so of Viton heatshrink kicking around.

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Originally Posted by speedjunkie View Post
I'd rather just run them together instead of running separate lines for each rail, so I'll probably just get some 3/8" aluminum tubing and join them just outside the tank. I'm not looking forward to bending it like John did with his though lol. Maybe Ambrosio can come to CO and do mine too lol.
OMG... it is such a PITA, I've done it a few times now... it keeps getting easier but it is still such an aggravating adventure in testing patience.

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Originally Posted by speedjunkie View Post
I did some research and it seems the Bosch check valve is the part bolted into the outlet and you use a banjo fitting on it, but I'm not sure if that's the same thing I was thinking of. I was just concerned with hurting the fuel pumps if there was too much backpressure, but maybe I'm not understanding what the check valve is for lol. If it won't hurt the pumps, I will just put a 12mm to -6 fitting in there and take out what Bosch put in there.
Pretty sure that's exactly what I did when I ran the 044

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Originally Posted by speedjunkie View Post
I was looking at the Stealth 340s but it seemed like they weren't as reliable as the 044 after reading some reviews.

OK thanks, I'll check out the Aeromotive line.
I've been running it for a few years now with no problem... I've never heard of one failing but I'm sure they do.. We never had a problem with FuelLab pumps until we did... and tragic it was...

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Wow. Yeah you always go way further than what I'm planning LOL. Thanks!
Yeah... I tend to do that... my old tank was rusted from the inside.. I had that cleaned and epoxy coated... that lasted for like a decade until they upped the ethanol content and the epoxy started melting... that shit cost me an engine. Decided it was cheaper and better to build the surge tank rather than spend the money on a new/used tank...
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Old 03-22-2014, 07:04 PM   #2
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Originally Posted by TitaniumTT View Post
Oh really? Do you have a link to anything about what Paul is up to now?
I do not have a link, and so far I haven't found anything online. The only thing I've seen was on facebook, Aaron Parker pointed it out to me. I sent Paul a message about it a while back, asking him when he thought they might be available to the public, but I haven't heard anything back yet.

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Originally Posted by TitaniumTT View Post
Ah, Ok... yeah... Yordan wired one of those in at the shop, I don't remember what size wire he ended up using.
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Originally Posted by TitaniumTT View Post
It would nice if the pins could handle 14ga wire and north of 15A....
Well, I guess I'll probably use 14ga, or maybe 12ga even, but probably 14. As long as that is big enough, I don't see the need to go any larger.

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Originally Posted by TitaniumTT View Post
Yeah, I don't know what to do if the pins won't carry enough current. I suppose you could add another bulkhead connector.

Yes, I get the wire from Joe.
I thought about just doing one 044 and modifying the stock hanger with an aftermarket connector

http://www.racetronix.biz/itemdesc.a...WS-001&eq=&Tp=

but I was worried it might not seal, and I decided on two pumps anyway, so I went for the CJM hanger.

OK I'm going to email them or call and ask for Joe and get some 14ga submersible and 12ga or 10ga for the outside.

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Originally Posted by TitaniumTT View Post
Any connector will work.... It's the heatshrink that is going to be a pain. Joe may have something that will work. I still have a foot or so of Viton heatshrink kicking around.
What about the connectors that have heat shrink built onto it, that way you can shrink it on the end when you're finished? I figured the metal of the connector would be fine, I just wasn't sure about the plastic on the connectors, that's what I meant. Wanna sell that Viton heat shrink? lol

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Originally Posted by TitaniumTT View Post
OMG... it is such a PITA, I've done it a few times now... it keeps getting easier but it is still such an aggravating adventure in testing patience.
The things we do for our cars, right?

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Originally Posted by TitaniumTT View Post
Pretty sure that's exactly what I did when I ran the 044
Ok cool. As long as the pumps will be fine, I'll do it that way and skip an external check valve. I'm also thinking about getting an inline fuel filter with a reusable/cleanable element and ditching the stock filter.

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Originally Posted by TitaniumTT View Post
I've been running it for a few years now with no problem... I've never heard of one failing but I'm sure they do.. We never had a problem with FuelLab pumps until we did... and tragic it was...
OK maybe I'll ditch these Bosch's and get a couple Stealths haha. I know it's going to be a PITA to install the Bosch pumps with the surge tank, even moreso than it is installing them on their own, but I figured once it's in there I shouldn't have to worry about it for a while.

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Originally Posted by TitaniumTT View Post
Yeah... I tend to do that... my old tank was rusted from the inside.. I had that cleaned and epoxy coated... that lasted for like a decade until they upped the ethanol content and the epoxy started melting... that shit cost me an engine. Decided it was cheaper and better to build the surge tank rather than spend the money on a new/used tank...
Well that's a pretty good reason lol. I'd have done the same thing.
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