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Solving Problems With More Cash | 1970 BMW 1600 Restoration (Nevada)

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Solving Problems With More Cash | 1970 BMW 1600 Restoration (Nevada)

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So, after checking out the S14 flywheel, clutch, stress plate clearance problem with the Getrag 245 transmission debacle, I made a decision that it could be clever to check match the motor/trans and subframe set up and see if any changes can be wanted.  Effectively, seems changes are wanted.  First off, whereas lifting the subframe, motor and trans on the motor jack whereas subsequently reducing the automotive it seems that S14 header and the steering field hang-up on the within lip of the body rails on each side.  Now I might have suspended the motor from the highest with the engine hoist and tilted the entire meeting to clear the body rail lip, nevertheless it is perhaps simpler to only trim the lip on each side to clear these parts.  So that’s my plan going ahead.

 

I reached out to @jimk with some questions on how he was working his coolant traces with out the inventory reservoir and he offered the solutions I wanted to make the conversion.  Principally, it’s worthwhile to take away the pipe that primes the water pump from the reservoir and exchange the hose from the thermostat to the water pump with a straight hose (just like the 2002).  The 8mm hose that runs from the again of the top to the reservoir must be rerouted by eradicating the pipe that runs to the again of the top and including a hose from the becoming on the entrance of the top to the radiator.  He additionally offered his schematics for the customized radiator he designed and constructed to supply the fittings wanted for this transformation.  I despatched an inquiry to C&R Racing to construct the identical radiator for my set up however $1,249 was past my finances.  My authentic plan was to run a BMW 320i radiator for cooling, however with plastic tanks and no technique to run the 8mm line to the radiator, this was going to be an issue.

 

On a whim, I despatched a message to an E-Bay producer in China (winner_racing_radiator) that builds aluminum radiators for the BMW 2002.  Their inventory BMW 2002 dimensions are manner off and in some circumstances too thick for the S14 conversion.  I requested if they might do a customized radiator they usually stated sure, they might construct me a customized radiator and ship it to my door (DHL) for $350.  OK, lets take an opportunity!  So I began measuring the radiator help opening, authentic mounting holes, high of the radiator help, thickness goal, and connections and bungs required to construct a customized radiator and produced a drawing for them to make use of.  The one factor we modified throughout manufacturing was the becoming for the top drain (moved to the filler neck) and the peak of the highest tank (diminished to 60mm) so we might use a bigger core.

 

The BMW 320i radiator initially had an electrical fan hooked up on to the radiator utilizing a zipper tie equipment.  Whereas ready for the brand new radiator to reach, I fabricated a extra elegant answer for mounting the fan utilizing a few strips of three/4″ aluminum inventory.  The radiator arrived in the present day and I did some take a look at becoming.  Every thing traces up precisely as anticipated.  I elected to not have the producer drill the mounting holes so I might finalize placement, nevertheless it appears to suit completely.  I am going to report again when this engine has fired for suggestions on any cooling points I expertise.

 

Once I was eradicating the 8mm pipe to the again of the top, I seen that it seemed just like the inventory injectors have been put in.  Slightly inventive digital camera work confirmed this reality.  I did some analysis on the specs for the inventory and injectors and their use with aftermarket ECU’s.  Seems that MicroSquirt has 2 injector drivers, every able to driving 1 Low Impedance injector or 4 Excessive Impedance injectors.  The inventory injectors are Low Impedance, so that they have to be changed with Excessive Impedance replacements with comparable circulation traits.  I went by way of the Bosch catalog and got here up with a number of excessive impedance injectors that flowed close to 240CC/MIN.  A lot of these have been tremendous costly or out of inventory.  I finally ended up with new 0 280 150 728 Blue Tops that I ordered from AutoFirma within the UK at simply over $27 every.

 

Here is the specs…

 

PART NUMBER: 0280150728 BLUE TOP.

 

INJECTOR BODY: METAL & COMPOSITE PLASTIC WITH FACTORY FITTED UPPER AND LOWER O-RING SEALS.

DESIGN: BOSCH EV1

STATIC FLOW RATE: 24LB/HR @ 43.5PSI OR 248CC/MIN @ 3.0 BAR

ELECTRICAL CONNECTOR: EV1 2 PIN.
LENGTH: 3 inches, 74 mm
DIAMETER: 24 mm
O RINGS: High and backside, 14.5 mm
RESISTANCE: 14.5 Ohms/HIGH IMPEDANCE

FILTER DESIGN: BASKET FILTER AT INLET

 

Lot’s of labor remaining, however making progress.

 

Thanks for checking in.

 

Mark92131

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