Results 1 to 5 of 5

Thread: Leaky fuel rail pulse damper

  1. #1
    turbo addict
    Join Date
    Feb 2010
    Location
    Piedmont, Ohio
    Posts
    4,109

    Leaky fuel rail pulse damper

    Ok, 2 piece intake going on a 2.5 T1. The Pulse damper is leaking fairly significantly and I wont need it anyway. Whats the best way to block it off?

    Also, will my 1 piece wiring harness work alright without extending any wires?

    Thanks.
    Ian Adams Function>Form 1990 shadow scrapped, too rusty:( 1991 Spirit R/T Scrapped, parts sold:( 1989 Turbo Caravan Daily beater with built-[I]ish [/I]​engine slowly evolving into weekend turbo beater.

  2. #2
    Rhymes with tortoise. Turbo Mopar Staff cordes's Avatar
    Join Date
    Dec 2005
    Location
    Tuscola, IL
    Posts
    21,441

    Re: Leaky fuel rail pulse damper

    I believe the wiring harness should work fine. I don't know about removing the damper though. The two piece rails are pretty rough to stop from leaking once they've started from what I've read.

  3. #3
    Garrett booster
    Join Date
    Aug 2008
    Location
    Hazel Park
    Posts
    224

    Re: Leaky fuel rail pulse damper

    I think it was in 90 or 91 they eliminated them with no ill effect. I would consider welding a cap on it.

  4. #4
    turbo addict
    Join Date
    Feb 2010
    Location
    Piedmont, Ohio
    Posts
    4,109

    Re: Leaky fuel rail pulse damper

    Quote Originally Posted by MR. X View Post
    I think it was in 90 or 91 they eliminated them with no ill effect. I would consider welding a cap on it.
    The reason they didn't need it anymore is because they went with sbec which is sequential and only one injector fires at a time. With the lm or smec firing 2 at a time the pressure drop was big enough that the fuel pressure would bounce, most likely causing damage to the pump and FPR diaphragm.
    Ian Adams Function>Form 1990 shadow scrapped, too rusty:( 1991 Spirit R/T Scrapped, parts sold:( 1989 Turbo Caravan Daily beater with built-[I]ish [/I]​engine slowly evolving into weekend turbo beater.

  5. #5
    ...on your color TV screen... Turbo Mopar Contributor Reeves's Avatar
    Join Date
    Jan 2006
    Location
    Kentucky
    Posts
    4,860

    Re: Leaky fuel rail pulse damper

    Quote Originally Posted by MR. X View Post
    I think it was in 90 or 91 they eliminated them with no ill effect. I would consider welding a cap on it.
    I've seen some of those before.

    I made an aluminum cap out of hex stock that screwed on mine. Used the copper washer that was in the pulse dampener to seal it.

    Quote Originally Posted by shackwrrr View Post
    The reason they didn't need it anymore is because they went with sbec which is sequential and only one injector fires at a time. With the lm or smec firing 2 at a time the pressure drop was big enough that the fuel pressure would bounce, most likely causing damage to the pump and FPR diaphragm.
    Huh, I'd never heard that before, but it does make sense!

    James Reeves - Reeves Racing
    World's Fastest 8 Valve - 146.88 mph
    86 GLH-T 9.99 at 143.78 mph
    86 GLHS #169 Mom's - complete Super 60 car
    87 Shelby Z 14.16 Dad's - mostly stock, no sh*t!
    88 Shelby Z 13.5 - been in storage for 15 years
    03 SRT-4 12.24 Mom's
    07 Charger 5.7L 12.48 Dad's

Similar Threads

  1. Replies: 0
    Last Post: 06-22-2010, 10:01 PM
  2. Replies: 4
    Last Post: 06-21-2010, 04:46 PM
  3. Fuel Stainless Steel Flex Fuel Injectors/Fuel Rail/FPR RARE!
    By finallall in forum Parts For Sale
    Replies: 4
    Last Post: 07-12-2008, 08:44 PM
  4. WTT T2 fuel rail for FFV fuel rail
    By WickedShelby88 in forum Parts Wanted
    Replies: 3
    Last Post: 11-05-2006, 12:47 PM
  5. Fuel delivery issue, quick fuel rail Q.
    By 86Shelby in forum Electrical & Fuel System
    Replies: 1
    Last Post: 07-29-2006, 12:29 PM

Tags for this Thread

Posting Permissions

  • You may not post new threads
  • You may not post replies
  • You may not post attachments
  • You may not edit your posts
  •