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Thread: The Holset he341 3.0L

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  1. #1
    turbo addict
    Join Date
    Dec 2005
    Location
    Seattle
    Posts
    7,065

    The Holset he341 3.0L

    Edit, Here she is.







    --------------------------------------
    Build process
    Dodge Spirit, daily driver.
    This motor had some problems its whole life. I had the motor delivered with 148,000 miles from a wrecking yard in Jan 2006. I actually put my old turbo setup on this motor for a few days but I put a stock clutch in (took the good stuff from the car) and the clutch wouldn't do anything but slip. Something has always been wrong with the headgasket. Always suffered from constant rusting red coolant with massive amounts of deposits.
    It also had a burned exhaust valve all along (that kept getting worse).

    After years of mercilous beating, the final blow was two 1000 mile trips towing my Duster and then my Starlet. Blew out the headgasket between 2 cylinders. I only found out because it had a strange exhaust note after the last tow (probably part raw fuel from the burned exhaust valve and part headgasket).
    Along the trip, the coolant crossover pipe sprung a leak spraying blood red coolant everywhere. Best part of the trip was when 90 miles from home the steel starter ring insert broke loosed from the Fidanza aluminum flywheel (welded it back in place).

    Taking the rotating assembly from this terrible block and putting it in the block that I ran 11's in 2009 with. I already stole the crankshaft from that block.
    Honing the block and installing 91.1mm Chrome Power Seal rings with maybe an 18 top gap and ~21ish 2nd gap (not sure yet).

    Then taking the stock cylinder heads that I put on my duster and have the mechanical rockers installed in with big regrind. Proceed to stealing all the turbo setup parts from the Duster except the turbo. Install RRRFPR that I no longer use in the Spirit.

    Free Holset HE341 from a coworder who went to watch me run 11's in 2009. I need to modify the downpipe to go from 4" into the 3" downpipe. This downpipe was originally for my Spirit.
    Going to go with http://www.innovatemotorsports.com/products/MTXL.php Innovated MTX-L wideband. I also found a 2.5 bar wastegate spring, and also another spring meant for Semi Trailer brakes but the right diameter so I might try using that for fun (probably won't allow more then 1 psi boost). I might want to run 87 octane for awhile driving to work. Not going to have the wideband installed for who knows how long so that will give me some safety cushion.

    The reason why the Duster is losing its parts... 2012.












    ---------- Post added at 06:10 AM ---------- Previous post was at 06:06 AM ----------

    [/COLOR]This is the original 3.0 turbo setup that I built. The air filter is was just temporary and the picture were taken by a friend and sent to me later on because I never remembered to take pics.

    The car was much happier back then. No rust and it had paint. Stupid Utah sun and salt killed the car.




    Last edited by Ondonti; 05-11-2011 at 02:05 AM.
    Brent GREAT DEPRESSION RACING 1992 Duster 3.0T The Junkyard - MS II, OEM 10:1 -[I] Old - 11.5@125 22psi $90 [U]Stock[/U] 3.0 Junk Motor - 1 bar MAP [/I] 1994 Spirit 3.0T - 11.5@120 20 psi - Daily :eyebrows: Holset He351 -FT600 - 393whp 457ft/lb @18psi 1994 Spirit 3.0T a670 - He341, stock fuel, BEGI. Wife's into kid's project. 1990 Lebaron Coupe 2.2 TI/II non IC, a413 1990 Spirit 3.0 E.S. 41TE -- 1993 Spirit 3.0 E.S. 41TE -- 1994 Duster 3.0 A543 1981 Starlet KP61 Potential driver -- 1981 Starlet KP61 Parts -- 1983 Starlet KP61 Drag 2005 Durango Hemi Limited -- 1998 Dodge 12v 47re. AFC mods, No plate, Mack plug, Boost elbow -- 2011 Dodge 6.7 G56

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