NV3550 conversion
The NV3550 is an excellent option to consider in smallblock V8 Jeep
applications. It will comfortably handle a mild V8 in a vehicle such a
as a Jeep, and will fit under the body in a Jeep with very few
additional modifications.
NV4500 Conversion
There is one other popular replacement option for
the AX15: The NV4500. This trans is way-oversize for the application,
and requires a body lift or extensive floor pan modification to fit. The
usual incentive for this conversion is to get the truck style wide
ratio, almost granny 1st gear which can be useful for offroad
use. On the other hand, this conversion will make a your jeep drive more
like a truck. If this looks like the option or you, High impact
does have available a package using the NV4500
.
NV3550 / Klune-V Extreme underdrive
Rather than a granny gear 4 or 5 speed, a more
"premium" alternative to achieve extreme gearing would be an
NV3550 combined with a Klune-V
Extreme Underdrive.
NV3550 conversion Details
Conversion Package
High Impact has available a package providing you
with all the primary essential ingredients to this installation. The
NV3550 will fit under the stock body without a body lift. Only
minor floor pan mods are needed where the shifter handle comes up.
Adapting to the Transfer case
NP231 - This is the transfer case found
stock in Jeeps from 1989 - 2000, and most jeeps (except Rubicon) from
200-up. Some 87-88 Jeeps will have the 231. Units that came with the
2.5L 4 cyl engine, and units that came behind the Peugeot 5spd (1987-88)
will have 21 spline input gears. If you wish to retain this transfer
case, you will need to replace the input gear with a 23 spline part
(Listed below). The remainder of the NP231 Tcases came with a 23 spline
input, and will bolt up directly to a NV3550 transmission
Dana 300 - Note: NV3550 tail is drilled to fit NV231. D300 will fit, however will be rotated Down approximately 9 deg: Tailhousing will need to have 6 holes re-drilled.
If desired, a rotation adapter plate kit s available to make this a bolt
together.
Atlas II Transfer Case - This case is
available in configurations for direct bolt up
Klune-V Extreme Underdrive
- This unit is a premium option where extreme offroad gearing options
are desired. The unit fits between the transmission and transfer case.
Due to the additional length when adding this unit, there are various
issues that must be addressed to ensure proper driveshaft operation.
While all options are not discussed, an article installing a Klune
into a Wrangler YJ will give an overview. Other options combining a Klune-Atlas
or Klune-Bronco Dana20 make
shorter, no-compromise systems. Please call us if you are considering
such a system and have concerns not covered in the website.
Package:
*NOTE: The prices below are PACKAGE prices: The prices for the
installation kit parts will be 10-20% higher when purchased separately
Different Packages for both the internal and external slave versions
of his kit are listed below.
(We can also provide custom packages where needed)
| # |
NV3550 in Jeep w/ GM SB
|
Priced Separately |
Pkg Price*
Total
$2124.50
|
| 1 |
NV3550 Jeep 5spd 4WD Transmission |
$1750.00 |
$1,656.25 |
|
Shift Handle: You
will need to modify your existing shifter by cutting off the
current end, and welding on a steel plate and drilling holes thru
the steel plate to bolt up to the stub sticking out of the trans. |
|
|
| 1 |
Bellhousing and
pilot bearing kit (this BH is limited to the smaller 153 tooth GM
Flywheel, unless optional high torque starter [listed below] is used) |
$335.42 |
$335.42 |
| 1 |
Slave cylinder |
$62.50 |
$62.50 |
| 1 |
Hydraulic Hose (to
adapt new slave cyl to stock Wrangler master cyl) |
$40.63 |
$40.63 |
| 1 |
Crossmember adapter
plate |
$29.60 |
$29.60 |
|
Optional Tcase adapt parts
|
|
|
|
NP231 - If you have a 21
spline input version you will need a 231 spline input gear |
$190.00 |
|
|
NV3550 to Dana
18/20 adapter |
$345.28 |
$0.00 |
|
Option:
Dana 300 Rotation kit. This is an adapter kit to make the thing
bolt together. It is also possible and fairly simple to redrill
the flange on the rear of the NV3550 to directly bolt the D300
to it. |
$172.65 |
$0.00 |
|
(NP231) Tcase
shifter bracket/linkage - this will allow you to retain you stock
NP231 shifter on the rear of the NV3550 |
$29.60 |
$0.00 |
|
Clutch components:
A stock GM pressure plate and Throwout bearing may work. The
high-top PP in conjunction with the N1714 T/O bearing listed are
known to work with the slave cylinder being used. It is also recommended you replace the clutch components unless they
are known to be fresh |
|
|
|
Throwout bearing |
$34.31 |
$0.00 |
|
Pressure
Plate |
$167.89 |
$0.00 |
|
Clutch Disc |
$82.04 |
$0.00 |
|
Other items available if needed:
|
$88.00 |
$0.00 |
|
Flywheel: 153
Tooth, GM Smallblock |
$242.50 |
$0.00 |
|
High Torque Starter
(Using this starter with NV3550 BH to GM engine will allow use of
168T FW) |
$235.00 |
$0.00 |
|
Slave cyl spacer
kit - needed to fit high torque starter w 168T FW with this BH. |
NC |
|
|
Motor Mounts: GM V8
TO 97-02 JEEP TJ (6 CYL REP.) |
$122.50 |
$0.00 |
|
