rcm headers with a harvery smith upipe or ported headers and up pipe
01 October 2010, 01:43 PM
#1
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rcm headers with a harvery smith upipe or ported headers and up pipe
i have a set of rcm headers and rcm upipe but the up pipe is to big im running 386bhp with some good 365ft would it be better to fit harvey nice up pipe to these headers and get it turbo spoiling up a few rpm quicker or would it be better to sell these headers to some one running 450bhp plus and get some of harvey ported headers,, ps would i also loose my 365ft with ported headers cheers oh i just seen the new request for a list of mods and car here goes lol 2.0 liter wrx98 forged, cr turbo td05-20g,rcm headers and up pipe, hybrid fmic ,simtec,full 3 inch system decat all the way though,550cc injectors fse ful reg big boy kn filter from the twisted set up, six speed box, god speed brakes and so on
Last edited by happydude303; 01 October 2010 at 02:25 PM.
02 October 2010, 11:38 AM
#2
Because you already have the RCMS 3 bolt header set there is no contest. Simply fit the special 3 bolt uppipe, cost £149, get a remap. Job done and report back on how much quicker your turbo now spools and how much torque you have gained.
You are at a fine dividing line as to where you choose ported headers or the tubular RCMS but because you already have the RCMS tubular the decision is very easy and relatively cheap.
It would be good if you could compare before and after dyno graphs providing they are from the same dyno. Do you have an existing graph for the current setup?
harveysmith1@btopenworld.com
You are at a fine dividing line as to where you choose ported headers or the tubular RCMS but because you already have the RCMS tubular the decision is very easy and relatively cheap.
It would be good if you could compare before and after dyno graphs providing they are from the same dyno. Do you have an existing graph for the current setup?
harveysmith1@btopenworld.com
02 October 2010, 06:59 PM
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oh harvey glad you see my thread and yeah it makes sence to do what yoru saying how much is it for the up pipe with the heat rap and do i just send the payment to your email paypal address the btopenworld.com as i have spoken to you ont he phoen about a month or so ago and no it is time for this up pipe cheers and i do have my old graph ill email them to you when i have both
03 October 2010, 11:21 AM
#4
Simply fit the special 3 bolt uppipe, cost £149, get a remap. Job done and report back on how much quicker your turbo now spools and how much torque you have gained.
Paypal = harveysmith1@btopenworld.com
Make sure you give me your name, address and what it is you want. Job done. You get it next day.
If the only modification since your remap is a swap from the supplied uppipe to my uppipe and on the same rollers then I suggest you put your graphs on here.
03 October 2010, 02:08 PM
#6
Grant there is nothing wrong with the twin scroll headers as supplied OE so I don't see any point reinventing the wheel. I only want to design, prove and make things that give a genuine benefit.
Happydude: You also have a no cost option of uppipe with a boss or without. The purpose of the boss is to take an EGT sender or whatever so you don't have to hack the uppipe about to achieve that.
Happydude: You also have a no cost option of uppipe with a boss or without. The purpose of the boss is to take an EGT sender or whatever so you don't have to hack the uppipe about to achieve that.
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just need to get back to same RR to check difference. Feels better though 
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