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Old 06-02-2005, 11:47 AM   #50 (permalink)
esi-slowboy
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From: Park Ridge, Illinois
Registered: Nov 2003
Posts: 122
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Installing a Crankscraper on a 420A

What are some of the benefits?

· Less rotating mass for the engine to accelerate because of the removed oil

· Less loss of power because of excessive drag caused by the windage cloud
· Helps reduce engine damaging oil-foaming
· Helps avoid oil starvation by keeping the oil in the pan during hard braking and turning as well as during off-road driving
· Helps to cool critical engine parts by quickly returning heated oil to the sump
· Helps to prevent the cylinder walls from being overloaded with oil
· Can help with fuel efficiency



-

Parts needed
Crankscraper-35$
5qt oil and filter-30$
Blue RTV-4$
Clean rags and brake cleaner
-Side note the oil pan gasket is reuseable-

Tools
Sockets 10mm-19mm 6"and 3"extension
Socket wrench,torque wrench
2jack stands,wood chocks
Carb cleaner for rusty bolts

Make sure your engine is cool before you start
and disconnect negative battery terminal

Removal

-Step1:Prep

Raise car from the front end and place on jack stands then set up your choks behind rear wheels.Setup your work area tools, cup for bolts, gloves and some Rock Star,Red bull or beer if your of age and prepare to work for a couple hours.Also make sure you have 15+ hours of down time for the RTV to set.

-Step2rain oil

Drain oil into a container and stare down that oil pan !

-Step3:Remove downpipe

Remove exhaust manifold heat shielding should be 4 bolts;remove 2 nuts that connect downpipe to manifold(Spray with carb cleaner if they wont budge i also had to remove drivers side fan in order to use a breaker to loosen those nuts);Go 6inches down the
downpipe youll see 2 bolts mated to a bracket take those off and now your exhaust should
be free to move.

-Step4:Remove crossmember

Two bolts up front there on there tight 100ft/lbs and two bolts on the back of it.Also you have to remove the two the hold the front engine mount.Now get that member out of your way.Now go under the car youll see a bracket that mates the block to the tranny and bridges the oil pan remove that.Theres two bolts one is a 19mm on the tranny side which was stripped in my case i just bent it with vice grips in order to access two bolts on the oil pan.

-Step5: Removing the oil pan and clean

This is the quickest step theres -13 bolts- get those off and your set.Now wipe down the oil pan, gasket(which i should mention is reusuble) and crankscraper with some brake cleaner and rag.
All clean.. Next step

Install
Looks similiar to this



-Step6:Install Crankscraper, and oil pan

Grab some of that blue RTV you bought put a nice bead around the crankscraper(i used the gasket as a template to see what route to follow on the crankscraper its basically connect the dots on the holes).Mate the crankscraper to the block hold in position while screwin in the bolts let it sit like so.Give the crank a few rotations to check for clearences its crankscraper but its not supposed scrape your crank.
Then get your gasket put a bead around the bottom and mate to oil pan hold for a few minutes.Now put a bead on top of the gasket
By now 20 or so minutes have passed slide your pan under your ride as well as yourself
unscrew those bolts mated to the scraper, align pan under the scraper/block and bolt it up and wait 15+ hours

So it goes BLOCK -RTV- CRANKSCRAPER -RTV- GASKET -RTV- OIL PAN (bolts are 8.9ft/lbs)

-Step7:Refill oil

Refill your oil along with new filter.Bolt everything back up Take it for a little spin pull over and check for leaks if its all good you completed the install.

Last edited by esi-slowboy : 06-13-2005 at 11:47 PM.
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