i would just swap over L67 heads and the belt drove ontot he L36. the M90 loves compretion as it is actualy a vary ineffiant supercharger and the 3.8L is at the limit of what size engine it can be used with

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92 LeBaron Convert: Turbo 3L 97 Grand Prix GT 4dr "Frankenstein": L67 4t65 swap
97 Grand Marquis: Summer DD 99 Grand Prix GTP: Top Swap Beater

Got some big plans for the L67 motor, those will come out later in a new thread.

-- Sun Jun 26, 2011 11:32 am --

Ok so I took it out for a test drive this morning and it's running great today. Idle still a little high but not bad and much more responsive. However after about 5 minutes on my way back I got codes 101 and 108. 101 is Mass airflow circuit, range or performance problem and 108 is manifold absolute pressure circuit, high input. ZZP said they tuned it for the stock N/A MAP and MAF. Actually maybe I ran it to the wrong source. Should I have run the MAP to vacuum or boost. Right now it's to boost from the LIM along with the boost guage. The MAF is same between the S/C and N/A for 1997 isn't it?

-- Sun Jun 26, 2011 12:45 pm --

Bump any ideas on the MAP sensor hose location? Need to drive this to work tomorrow and would like it running a little better.

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Bryan,

1997 GP - Heads drilled for injectors, 98 ported s/c, ported lim, CAI, 3.5 Pulley, ZZP Tune, 1.75 In Primary and 2.5 In Collector headers, 3 In high flow cat, Autolite 104 coppers, MSD streetfire wires and blaster coil packs, my own poly upper motor mounts

Did you ever get this issue resolved? I can snap a few pics of my engine bay if needed. Also have L67 parts laying around if you need any for a reasonable cost.

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1997 TGP

Yup got it all taken care of. Ended up being the TB hanging up just a bit. Just slightly file the TB blade and it's running wonderfuly.

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Bryan,

1997 GP - Heads drilled for injectors, 98 ported s/c, ported lim, CAI, 3.5 Pulley, ZZP Tune, 1.75 In Primary and 2.5 In Collector headers, 3 In high flow cat, Autolite 104 coppers, MSD streetfire wires and blaster coil packs, my own poly upper motor mounts