@moak....1st of all thanks for posting sometime useful for me...well you are quiet right........when i open my fuel tank for checking pump and tank......i really found that pipe used by fitting guy 1 year back was almost worned ....so i replace it with Fresh 400psi Fuel Pipe Already.....As I Got It For My Surge Tank Setup.....Well I Already Have Surge Tank Built But Not Putted In Back And Also Have High Pressure Inline Fuel Pump........!!
Thats My Next Target After I Get This One Checked Now.....I Check FPR Again And Again For Residues But Hav'nt Found Any...Clean It Many Times With NASA Carb Cleaner And Then Put In Back.......!!
I Will Check With Fueling By Putting Surge Tank Finally...But It Won't Look Fueling To Me Now.....Everything Looks Ok....Return Line Have Quiet Good Amount Of Fuel Flowing Means Pump Was Pulling Fuel All Good...Checked Pump Physically And Tested Again Its Flowing Just Good Enough....And Is All Soaked Into Fuel On Bottom Of Tank.......Earlier I Was Like 100% Sure Its Fueling.......!! But Now Bit Doubtful Its Not Fuel.....Its Something Else Or Maybe It Is....!!:S
I Will Test My Surge Tank Now As I Have Build It For Quiet Sometimes But Hav'nt Revealed....!! Nor Use But To Clear The Fueling Doubts...I Have To Do It Now.....!!
Its In My Upcoming Works To Do List....!!
Let me Post Some Pics Of My Yet Again DIY'd Surge Tank Build For My Car...Its 2L Works Good Enough To Feed Engine For No Lag.....!!
Will Post Its DIY Pics Sometime On DIY Section Separatly..
This Is How It Looks Like...No Colors..Its Build Of Stainless Steel...!!

Pierberg Inline High Pressure High Volume Pump To Feed Fuel Rail With Some High Volume Low Pressure Pump Which Feeds Surge Tank From Main Fuel Tank

Fuel Hose Bought For This Setup

Rated To Work@400psi

Clips For Tightening Ends

Tie Clips To Tie The Pipes Together...

A Diagrammed Explanation Of How This Whole Setup Works

This Is How It Looks Like


I Have Build This Setup During Ramadans And Have Kept It And Use When Needed....Now It Will Use It To Check...!!Regarding Adjustable FPR .....New One Nowdays Costing 5k+ For Same Taiwan Ones Which Sold For 3000-3500 Some months Back...Nor Have Extra Money To Buy........!! Asked Some Fellows To Share With Me For Check....Don't Get Any Help....So For Checking It...Will Create Resistance In Return Line Via Any Means To Check Fuel Pressure Regulator Also.....!!
Regards