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Fuel pump recommendations

 
Old 10-20-2018, 02:20 AM
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Default Fuel pump recommendations

With my mods, so far the stock pump has been ok but I'm sure when I spray, I'm gonna need a better setup so I don't lean out but I was wondering if I can get away with a Walbro 255lph or will I need something bigger? Also what about a "hot wire" kit? I'm on a very tight budget right now so cost is definitely a consideration. TIA
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Old 10-20-2018, 04:11 AM
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I just ordered an RFPK - 001 kit from racetronix to go with my fast 102 / 102 setup with a Martin specced cam. From what I understand the hot wire kit is to provide more power to the larger pump than the old wiring can handle
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Old 10-20-2018, 06:09 AM
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I'm at about 600 rwhp on a 150 shot With the 255 pump and hotwire kit. Seems to hold just fine, although I'm sure I'm right near the edge
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Old 10-20-2018, 09:41 AM
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I'd love a Racetronix p&p setup but that's more than I can afford now so maybe just go with a 255 now and hope for the best. Is a hot wire kit needed for a 255 pump?
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Old 10-20-2018, 09:50 AM
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At 426 hp the 255 pump alone will be fine. The hotwire kit is cheap though
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Old 10-20-2018, 10:21 AM
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The 255 will be good even with spray? If so that's awesome and the news I wanted to hear.
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Old 10-20-2018, 10:23 AM
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How big of a shot?
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Old 10-20-2018, 10:27 AM
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150 tops. I'd be too nervous to go any higher, even with a better pump.
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Old 10-20-2018, 10:30 AM
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On a 150 I'd say not a good idea. That's what I'm doing but with the 255 pump and hotwire kit
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Old 10-20-2018, 10:38 AM
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Damn, burst my happy bubble.lol What would you suggest then? I guess since race season is almost over I can just save for a better setup for next year.


Or are you saying you wouldn't do it w/o a hot wire kit?
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Old 10-20-2018, 10:59 AM
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Sorry man lol. No I would not do it on a 150 shot. It's not much more money for the hotwire kit
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Old 10-20-2018, 11:05 AM
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Originally Posted by HCI2000SS View Post
Sorry man lol. No I would not do it on a 150 shot. It's not much more money for the hotwire kit
So a Walbro 255 with a hot wire kit will work then. That would be fine.
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Old 10-20-2018, 11:19 AM
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Originally Posted by Dano 00TA View Post
So a Walbro 255 with a hot wire kit will work then. That would be fine.
It definitely should. I probably make a little more power than you and I'm fine. Assuming you'll run 93 octane of course
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Old 10-20-2018, 11:31 AM
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That'll be cool then, thanks for the help with this. 1 more question, My ORY only has a 2.5" outlet where it meets the rest of my setup which is 3" I never thought about this before since I wasn't planning on modding but I'm sure now it's gotta be a bottleneck. How much do you think I'd gain by either having the 2.5" section cutout and welded or a true dual setup? Thanks again for your help.
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Old 10-20-2018, 11:40 AM
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With your setup you probably would gain a few hp. I'll give you a similar scenario with my car. My Pacesetter ORY was built with a horrible merge. Had a 3" in 3.5" out Flowmaster merge put in and it definitely made a nice little difference. My buddy's 03 Cobra would pull me by a car or so everytime before, and after it was a drivers race. So that told me there was definitely a bottleneck
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Old 10-20-2018, 11:40 AM
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Dano, not sure you want to go this far, but you might want to get a Flowmaster merge with inlets the same size as the 2 incoming legs of the ORY, then a 3": outlet. This will de-congest that part of the exhaust, plus make a better merge of the 2 incoming pipes. It would have to gain power...
EDIT- Looks like great minds think alike, HCI2000SS! lol
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Old 10-20-2018, 11:45 AM
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Thanks, guess I will be doing something about this for sure then. Another member on here has a Speed Engineering true dual setup he's gonna sell me when I get the money together so it's gonna be that or get this y fixed.
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Old 10-20-2018, 11:52 AM
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That true dual setup will probably be worth a few more ponies but not much over a proper y-pipe.

G Atsma, I just now saw your post. I like the way you think lol
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Old 10-20-2018, 01:25 PM
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Originally Posted by HCI2000SS View Post
G Atsma, I just now saw your post. I like the way you think lol
That goes both ways! Have a good weekend!
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Old 10-22-2018, 11:35 AM
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The price differences are so small between a 255, 340, 450 just get something with some headroom for the future. Hot wire kit is a must.
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