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blown, jag, jaguar, restorations, v12, xjs

Cherry Blossom - Restoration 1990 XJS V12

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orangeblossom on Jul 24, 2014

Jan 12, 2026 11:30 AM
by Lee3393

3,437

529,817

XJS ( X27 )

1989, 85, control, conversion, ecu, harness, ignition, jag, jaguar, lovers, magasquirt, marelli, megasquirt, msd, stage, v12, xj6, xjs

OFFICIAL megasquirt thread.

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M90power on Apr 9, 2012

Nov 11, 2025 01:50 AM
by Greg in France

75

55,184

XJS ( X27 )

Marinell and the mysterious Y-Connector

MikeCartwright on Oct 9, 2025

Oct 10, 2025 11:15 AM
by Jagman99R

13

597

XJS ( X27 )

1992, bad, code, fuse, light, location, radio, security, stereo, v12, xjs

How to tell if radio is bad!

Tenagarlick on Dec 3, 2013

May 8, 2025 09:29 AM
by malc4d

7

3,649

XJS ( X27 )

12, 53, adjustment, blase, bodies, body, convertible, engine, jag, jaguar, labview, sync, throttle, v12, xjs

V12 Throttle Body sync made easy

warrjon on Jul 26, 2012

Apr 26, 2025 11:05 AM
by BradsCat

11

10,757

XJS ( X27 )

V12 Weak Idle and Weak Throttle Response

jblessing on Apr 3, 2025

Apr 3, 2025 01:28 PM
by RickE

1

438

XJS ( X27 )

Etype parts

SpecQra on Jan 28, 2025

Mar 31, 2025 08:05 AM
by SpecQra

12

2,031

E type ( XK-E )

XJ12 Engine Rebuild Torque Specification

DJV12 on Feb 21, 2025

Feb 21, 2025 06:30 AM
by DJV12

0

547

XJ6 & XJ12 Series I, II & III

53, bolt, bolts, exhaust, head, headbolt, inlet, jaguar, manifold, nut, nuts, size, thickness, thread, tightening, torque, v12, xjs

cilinder head torque '86 5.3 XJS V12 HE

mopar on Feb 26, 2013

Jan 8, 2025 03:19 PM
by chemosabe

5

14,629

XJS ( X27 )

1989, 1995, 36, boot, carpet, fuel, gas, gaz, jaguar, odor, pad, smeling, smell, trunk, v12, xjs

Gas smell

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jefe on Oct 18, 2011

Dec 8, 2024 09:21 AM
by RGK20m3

34

40,122

XJS ( X27 )

Mark X V12 Engine Swap anyone?

GregChap on Aug 22, 2016

Oct 9, 2024 08:48 AM
by Mark10

6

11,493

Mark V - X 420G

Looking for input from multi-Jag owners

alberniken on Sep 1, 2024

Sep 12, 2024 05:20 AM
by Grant Francis

1

1,794

General Tech Help

96, arm, bushing, bushings, diagram, install, jaguar, linkage, parts, plastic, replace, rod, throttle, v12, xjs

throttle linkage bush?

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M90power on Apr 27, 2012

May 9, 2024 08:32 PM
by Jeffkrell

25

16,862

XJS ( X27 )

bosch, connector, connectors, fuel, harness, injection, injector, jaguar, problems, v12, wiring, xj, xj6, xj8, xjs

V12 fuel injection wire harness

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JameyXJ6 on Mar 2, 2011

May 5, 2024 09:12 AM
by Jaguar2373

62

50,091

XJS ( X27 )

1987, 85, 87, jaguar, mileometer, odometer, power, quit, removing, replacing, sensor, soed, speedometer, v12, working, xj6, xjs

85 XJ6, odometer not working, speedo does, help

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MFOX on May 1, 2011

Apr 7, 2024 07:48 PM
by Tonytonem

46

18,216

XJ6 & XJ12 Series I, II & III

Camshaft upgrade!

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1 2)

rsigue on Oct 5, 2012

Mar 31, 2024 10:56 PM
by auburn2

30

17,148

XK8 / XKR ( X100 )

1988, 1989, door, dorr, inside, jaguars, open, passenger, v12, wont, xj, xjs

Jammed Passenger Door XJS

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graydog on Feb 9, 2014

Mar 8, 2024 10:39 PM
by Jagman99R

22

13,282

XJS ( X27 )

1992, buy, gas, jaguar, nashville, regular, reliable, specs, transmission, transmissions, v12, wheels, xj6, xjk, xjs

1992 XJS V12 Reliability?

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mjlaris on Sep 23, 2012

Feb 11, 2024 01:18 PM
by rickr

41

57,311

XJS ( X27 )

1991, 1994, convertible, jaguar, left, moter, motor, parting, qourter, quarter, rear, test, v12, window, xjs

XJS Rear Quarter Window Motor

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Jag 31410 on Sep 23, 2013

Oct 24, 2023 02:13 PM
by Vee

27

31,309

XJS ( X27 )

12, 50, 53, balancer, balencer, bolt, crank, crankshaft, engine, flyweel, harmonic, jag, jaguar, photo, pulley, removal, torque, v12

Harmonic Balancer V12

hack02 on Jan 20, 2009

Oct 2, 2023 05:21 AM
by baxtor

6

11,438

XJS ( X27 )

1985, 3800, 98, air, buick, burning, grand, jaguar, location, national, position, replace, rich, sensor, supercharged, temp, throttle, v12, xjs

running too rich.

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M90power on Mar 29, 2012

Sep 14, 2023 08:01 AM
by ptjs1

168

24,859

XJS ( X27 )

Buying a blown v12

turtle65 on Jan 10, 2022

May 25, 2023 10:25 PM
by Charliegoodwin3026

8

1,451

XJ XJ12 ( X305 )

australia, carberaters, ignition, opus, v12

V12 Carb OPUS Ignition System Upgrade Australia

JackaJag on May 22, 2023

May 24, 2023 02:31 AM
by Daf11e

2

6,212

Australia - Victoria / Tasmania

12, 1974, carb, carbs, carburetors, carburetted, carburettor, forum, jaguar, kit, model, rich, running, v12, xke

xke v-12 running too rich on one carb

on Jun 16, 2006

Apr 21, 2023 02:51 PM
by egold56

2

3,453

E type ( XK-E )

12, 89, cylinder, flathead, head, heads1985, jaguar, puller, removal, removel, removing, stuck, tool, tools, tuberemoming, v12, v8, xjs

V12 head removal tool measurements

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Per on Mar 11, 2013

Mar 25, 2023 07:55 PM
by baxtor

83

59,349

XJS ( X27 )

automotive, coil, coils, connecdtor, connector, connectors, electrical, ignition, jaguar, location, marelli, merelli, motor, repair, test, v12, xjs

Marelli Coil Connectors - Is there a quick fix?

michaem101 on Jul 15, 2010

Mar 14, 2023 06:06 AM
by AByles

10

7,922

XJS ( X27 )

1983, ac, air, airpump, controls, eliminate, jaguar, pollution, pulley, pump, removal, remove, smog, v12, xjs

Eliminating air pump on V12?

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1 2 3)

JameyXJ6 on Jan 1, 2011

Jan 30, 2023 11:30 AM
by kansanbrit

40

37,532

XJS ( X27 )

1985, 53, 89, dipstick, drain, draining, dry, jag, jaguar, oil, pictures, pressure, quarts, sump, v12, xjs, xjshe

5.3L V12 Oiling System

xjsfever on Apr 14, 2011

Jan 19, 2023 01:04 AM
by baxtor

19

21,938

XJS ( X27 )

1982, 1986, 350, 42, auto, chevy, conversion, conversions, engin, engine, engines, jag, jaguar, ut, ute, v12, xj, xj6, xjs

350 Chevy engines to replace V12

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paulyling on Jul 16, 2014

Sep 25, 2022 11:54 PM
by wolf_walker

206

52,591

XJS ( X27 )

1990, chart, fuse, fuses, install, jaguar, location, relay, switch, v12, window, windows, wont, xj6, xjs

1990 XJS Window relay?

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XJSFan on Apr 7, 2014

Jul 24, 2022 03:28 AM
by Albertajag

26

17,788

XJS ( X27 )

choke, series 3, series iii, v12, v12 e-type

Starting a Series 3 from cold, how to choke?

nora on Jul 19, 2022

Jul 20, 2022 01:26 PM
by nora

2

3,282

E type ( XK-E )

your dream Lump

Flint Ironstag on May 2, 2015

Jul 12, 2022 08:33 PM
by EcbJag

15

2,491

XJS ( X27 )

1982, 2005, bradley, engine, horsepower, hp, jaguar, sale, smith, specs, supercharched, supercharged, turbo, twin, v12, xjs

Supercharged V12 info please :P

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daddycool454 on May 14, 2012

Apr 28, 2022 06:48 PM
by Saltracer

59

44,458

XJS ( X27 )

1995, 2002, 60, 95, bezel, bottom, ecm, ecu, jaguar, lhe1410, new95, replacement, v12, xj12, xjs

Why does my new 95/96 ECU have different markings?

Spikepaga on May 5, 2012

Apr 21, 2022 02:20 PM
by seacat

4

5,028

XJS ( X27 )

1989, 53l, 60l, block, bodie, dyno, fast, go, jaguar, specification, specifications, test, throttle, v12, xjs

Boring The V12 5.3L

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davbell22602 on May 21, 2012

Mar 20, 2022 09:09 PM
by Mguar

29

27,172

XJS ( X27 )

89, cooling, fan, jag, jaguar, jaguars, keith, problem, short, shut, stays, time, v12, wagoner, xjs

'89 Aux cooling fan stays on

wagonerkl on Apr 21, 2013

Feb 17, 2022 12:02 PM
by Discoinferno

10

8,124

XJS ( X27 )

1989, 1990, 2001, 53, 53l, black, book, convertible, engine, good, jaguar, mods, mpg, sale, turbo, v12, xjs

Question about 5.3L V12 Engines for XJS

Safari on Oct 11, 2012

Jan 31, 2022 06:54 PM
by Doug

7

7,222

Jaguar Engines & transmissions

1993, 2000, canaster, canister, carbon, charcoal, hose, jaguar, remove, v12, xjs, xk8

Servicing the Charcoal Canister

Elbartus on Sep 4, 2013

Dec 27, 2021 03:49 AM
by Jose

12

23,266

XJ6 & XJ12 Series I, II & III

1995, 1996, 87, crank, doesnt, filter, fuel, jaguar, location, spark, start, turn, turns, v12, wont, xjs

87 XJS turns but wont start

J_C_R on Sep 30, 2012

Dec 11, 2021 08:23 PM
by garethashenden

12

31,404

XJS ( X27 )

Ported HE heads

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calvindoesntknow on Jul 16, 2014

Nov 27, 2021 05:23 AM
by Mguar

54

35,490

XJS ( X27 )

1989, 500, 53l, cylinder, engine, engines, heads, hp, jaguar, jones, pre, stew, turbos, twin, v12, xjs

so has anyone actually made 500bhp from a v12 pre.he

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calvindoesntknow on May 16, 2013

Sep 1, 2021 09:21 PM
by Mguar

1,038

417,396

XJS ( X27 )

1983, air, cat, delete, engine, glasspacks, ground, intake, jaguar, kits, performance, rims, size, system, v12, xjs

Air Intake Kit.....to be or not to be?

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1 2)

JagVilly on Jun 16, 2012

Jun 5, 2021 08:38 AM
by Vee

39

19,673

XJS ( X27 )

2005, blowing, bonneville, head, jaguar, northstar, puller, smoke, v12, white

New to Jags, considering a purchase, help ASAP

XtremeRevolution on Mar 16, 2009

Apr 15, 2021 08:26 PM
by Brewtech

15

2,128

XJS ( X27 )

1994, ca, count, emission, fail, hc, high, jag, o2, sensor, smog, test, v12, worse, xj8, xjs

California Jag Owners - Help with Smog!

hoodun on Nov 30, 2011

Mar 26, 2021 10:16 AM
by mghirsch

14

11,657

XJS ( X27 )

1989, bleeding, brake, jaguar, procedure, restoring, system, teves, v12, work, xjs

How do I bleed the ABS Brakes 1989 XJS V12?

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orangeblossom on May 22, 2014

Mar 16, 2021 09:44 AM
by Canuckster1169

41

37,797

XJS ( X27 )

1984, 1996, 86, dashboard, jaguar, parts, v12, xjs

Just in case anyone was wondering......

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Sarc on Mar 14, 2013

Mar 15, 2021 11:17 PM
by Mustafah Gabrial

33

20,930

XJS ( X27 )

cranked, fuel, jag, jaguar, jumper, make, pump, run, running, runs, starts, stay, stutters, v12, wont, xj6, xjs

88 XJS starts but won't stay running

mmxjs88 on Jun 24, 2012

Mar 9, 2021 07:49 PM
by Grant Francis

12

13,862

XJS ( X27 )

Looking at a 1989 XJS V12 Convertible - What should I look For

jjrdskns on Feb 24, 2021

Feb 25, 2021 11:47 AM
by Mac Allan

4

1,237

XJS ( X27 )

etype, gauge, guage, idle, jaguar, low, normal, oil, pressure, reading, repair, sender, test, v12, xj12, xjs

Oil Pressure - What to look for?

85XJ-S on May 20, 2010

Dec 22, 2020 07:11 PM
by motorcarman

7

3,608

XJS ( X27 )

1995, alternative, autolite, change, ignition, jaguar, marelli, plug, plugs, removal, spark, sparkplugs, straight, stype, v12, xjs

Spark Plugs - Opinions sought

dsetter on May 27, 2013

Dec 4, 2020 04:01 AM
by davidyun

5

3,675

XJS ( X27 )

Threads Tagged with v12