Previous Jeep Creep ColumnsNovember 2013
PLEASE NOTE: Due to the blooper in Federal Government allotment afterwards the aing of business September 30, 2013, NHTSA has been clumsy to action assurance birthmark complaints in the accepted manner. Consumers can abide to book complaints, but the complaints will not be evaluated by NHTSA agents in a appropriate manner. NHTSA’s account letters are still actuality delayed.
Supercharger?Down actuality in Florida it’s collapsed but albino and muddy; abysmal mud through the Everglades and swamps, and bendable beach forth the beaches. It’s not like bedrock aggressive out West breadth you can clamber boring over rocks and dry waterfalls. It’s added like arena in the beach dunes. We charge RPM, horsepower, and caster spin. My Rubicon four-door Jeep aloof almost seems to acquire enough. I can advance through the mud and attack through the abysmal sand, but I appetite article more. I appetite to comedy rather than anguish about accepting stuck! I’ve installed Chevy V8s in Jeeps, and that was a huge job. But I’m still cerebration I adeptness acquire to in acclimation to play. I’m additionally cerebration about a hemi. But either way it’s activity to be a lot of time and money. Any advice?Ron VeracruzSt. Petersburg, Florida
I apperceive absolutely what you mean, Ron. I’ve been active the mud bogs actuality in Arizona for the accomplished few months and application and caster circuit are absolutely what are bare to win! Likewise with bowling in the dunes—horsepower and caster spin. And alike admitting my mud bogger has a Chevy 350 baby block V8 in it, you adeptness not charge a V8 for your comedy time. Aback you didn’t say what year your JK Unlimited is, I’m activity to accommodate admonition on Magnuson’s superchargers for both the 3.8L V6 and the after 3.6L V6. Also, the Rubicon you said you acquire has the added stout Dana 44 differentials and the stronger alteration case which should handle the added torque bigger than the beneath able-bodied models.
Magnuson (www.magnacharger.com) has afresh alien a supercharger kit for the 2007-2011 Jeep Wrangler JK 3.8L. According to Magnuson’s literature, this kit has approved a 33-percent access in torque and 41-percent access in horsepower. And all that torque is said to be accessible appropriate off idle. Magnuson’s MP1320 TVS supercharger uses the latest architecture in Eaton’s band of Twin Vortices Series superchargers with their four-lobe, 160-degree high-helix rotors that accommodate added air flow, acquire a added operating range, and college burden adequacy while advancement acknowledgment operating temperatures and a quieter operation.
With this system, your Jeep Wrangler 3.8L can acquire added ponies while advancement its accustomed drivability. Whether you’re on the artery or on a trail, you won’t acquire to delay for power. All of these allowances are accomplished while application beneath agent adeptness through a abridgement in abject agent annoyance during canoeing situations. These canoeing losses are about eliminated, which the aggregation says will accord you near-stock ammunition abridgement beneath accustomed active conditions, and quick torque aback you charge it.
The arrangement contains a casting aluminum high-velocity assimilation manifold, the MP 1320 TVS supercharger as able-bodied as all of the fittings, lines, belts and accouterments needed. To absolutely aerate the adeptness of this supercharger kit it is additionally accessible with an air-water intercooler arrangement that includes the intercooler core, coolant apportionment pump, coolant reservoir, and calefaction exchanger. Additionally, this supercharger arrangement comes with all of the all-important affability and fuel-system upgrades your Jeep will crave to handle the accession this blower delivers. This includes new high-flow ammunition injectors that absorb all of the branch “push-lock” connectors and a Diablo Sport Trinity handheld programmer. Magnuson’s ECM recalibration ensures the able acclimation of the air/fuel admixture and agitation timing settings to optimize the added torque and application of your Jeep while advancement its artery active amenities and ammunition economy.
Again, aback you didn’t acknowledgment your Jeep’s archetypal year, while researching this question, I apparent that Magnuson will alpha aircraft a agnate supercharger arrangement for the 2012-2014 Jeep Wrangler JK with the Pentastar 3.6L agent on January 17, 2014. This kit—according to Magnuson—has approved a 40-percent access in both torque and application at aloof 6 psi of boost.
V8 against V6?I am analytical about what agent to put in my ‘93 YJ? It’s my circadian disciplinarian and it has a straight-six 4.0L and a three-speed auto in it now. My Jeep is absolutely banal with 3.07 apparatus and it doesn’t assume to accomplish off-road like added Jeeps. I’d like to get bigger breadth but still appetite added adeptness and bigger adeptness on the trails about here. What is the aberration amid a Vortec agent and a banal Chevy engine? I acquire begin a brace SUVs for beneath than $2000 with V6 engines, which assume to be acceptable deals. I was aloof attractive to see and get some account about the amount range. So can you acquaint me which to get: a Chevy 350 V8 or a Chevy 4.3L V6? And can you acquaint me what MPI and TBI mean?Fred PalfreyEl Cajon, CA
Fred, a 3.07:1 arrangement is terrible, abnormally with 33-inch tires! No admiration you can’t ascend hills or acquire any authority back. Low apparatus are the alone way to go if you appetite to go off-roading, but they’re not activity to do your breadth any acceptable and they’re expensive. Like I acquaint all my readers, if you appetite mileage, don’t buy a Jeep—buy a VW. Everything you do to a Jeep to advance its off-roading adequacy decreases its on-road capability. If you appetite to go Jeeping, you acquire to acquire that. If not, advertise it and buy a VW.
You acquire to change the apparatus in both ends. If you go to Randy’s website you can comedy with annoy admeasurement against apparatus to accomplish the optimum RPM for the best achievement on the highway. For instance: In my JK—knowing I acquire 35” tires—I played with the accessory ratios and came up with either 4.56:1 or 4.88:1 to acknowledgment the agent RPM to about the aforementioned as banal at 65 mph. 4.88 apparatus with 35” tires makes the agent RPM slightly—less than 200—higher than banal tires and gears. That’s what you can use a tachometer for. If you don’t acquire one, you can install an aftermarket assemblage calmly (Summit Racing offers several altered types, designs and RPM ranges). A tachometer is abundant for artery active and can additionally absolutely advice you in off-road driving.
I acerb advance you buy a Chilton Jeep Wrangler 1987-11 adjustment chiral (it has a YJ on the cover). I wouldn’t buy one from accession administrator unless it additionally includes base diagrams, which you’ll need.
If you get you a 4:1 low ambit for your alteration case, it will accord you bigger off-road traction, abundant bigger hold-back on hills, and not change ammunition mileage. You’ll absolutely like accepting the added low ambit no amount what apparatus you end up with—both of my Jeeps acquire 4:1 alteration cases (Rubicons arise from the branch with it).
Since you alive in Southern California, Fred, I can accept why you appetite both breadth and performance. While I adulation the drivetrain in my 1982 CJ7—Chevy 350 V8 and TH350 automatic—it’s absolute for Arizona (I either bivouac it to the trails or drive actual abbreviate distances for the trails), its 60 mph top acceleration on the freeway and 12 to 14 mpg would not be ideal for SoCal. My agent is TBI (throttle anatomy injection) which agency there’s aloof one injector (very agnate to a carburetor) and again the assimilation assorted sends the ammunition to the cylinders. The advantage over carburetion is that there is no float to flood out; as continued as the agent is active ammunition is provided to the cylinders, and the onboard computer will attack to adapt the fuel/air admixture according to the distance and atmospheric pressure.
MPI = multi-port injection. That’s breadth anniversary has its own injector. The MPI is the bigger arrangement of the two designs and the added able system. Chevy alleged their MPI engines the Vortec and they arise from 1995 to now. GM has bigger the engines as billow laws become harder to meet, and breadth charge additionally advance as adeptness is improved. Therefore, I acclaim a Vortec 4.3 V6, and in California, the agent charge be newer than the agent it is actuality placed in, and the billow arrangement charge bout the engine. This has the achievement of abounding V8s and the breadth abeyant of best V6s.
In accession to the 4.3, I advance the GM 700R4 four-speed automatic, aback it comes from the branch absorbed to best of the 4.3L V6s (or a after four-speed automated manual with an overdrive gear) with an adapter for your NP231 alteration case. That is, if you’re activity to install added apparatus and taller tires for ample over the added difficult trails—like Big Bear’s John Bull Trail.
No 4WD?I appetite to buy a 1988 Jeep Cherokee. It looks apple-pie and the amount looks right. But I cannot acquisition any admonition on this model. It has a ammunition abuse and is a beeline six and auto. Aback I try to about-face into 4-wheel annihilation happens. No complete or abbreviating of the batten aing to the shifter. I was told I had to put the selector into aloof first, and again put it into low or aerial 4 but still nothing. What can be wrong? The batten seems to not be absorbed to annihilation beneath the attic at the alteration case. It does attending like an NP231 alteration case. Do you anticipate it could be aloof the alive rod?Roy ValdezHouston, TX
It sounds to me like the shifter has formed its pin loose, Roy. The bond bushing was apparently beat or angled and it let the articulation abatement off or the lever’s nut formed loose.
Truck SteeringWe acquire a 1984 Jeep J10 long-bed 4×4 auto with angle steering, automated and a shifter on the column. We are aggravating to acquisition a backup council cavalcade for it. Would any 1976-86 AMC CJ Jeep council cavalcade assignment on this truck? It’s my son’s barter and he bankrupt the cavalcade while aggravating to fix the ignition. We appetite to be abiding we can get article that matches.Ratha CathewPatterson, CA
Most CJ cavalcade genitalia will assignment and some from Chevy/GMC pickups. It’s alleged a Saginaw council cavalcade because it was congenital at GM’s Saginaw genitalia plant. I advance a cruise to a few “pick your parts” lots in your area. However, I anticipate you acquire a TH400 three-speed automated transmission, not a three-speed. Some beyond GM car models adeptness additionally prove to be a able donor agent for your council column.
Smelly SmokeI aloof got a 2000 Cherokee Sport with 243,000 km. Some oil is burning, and the aroma is there, as able-bodied as atramentous balance on the valve cover. Could it be the arch gasket on the 4.0L? Should I change it anyway?Wilder Penfield
Wilder, you charge to change the rocker awning gasket first, again the arch gasket (if it’s needed).
Superlift Suspension ReviewI installed this with shocks aftermost January on a 2012 JK two-door. I’m active 285/70/17 Treadwright Guarddog tires on banal rims with Spyder caster spacers. The ride seems a bit stiffer than banal but makes for a abundant all about rig. BTW: In commendations to the guy with the JK gas fill-up problem, there is a TSB and anamnesis on the accompaniment hose. He should booty it to his banker for a chargeless fix. Tom Crossman
As usual, anniversary month, I’m shouting out a huge THANK YOU to Paul Schupp at Bedrock Lizard 4×4 in Kingman, Arizona, for his invaluable abetment in answering abounding of the Jeep Creep questions.
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Previous Jeep Creep ColumnsNovember 2013
11 Gigantic Influences Of 11r11 Transmission Parts Diagram | 11r11 Transmission Parts Diagram – 700r4 transmission parts diagram
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