
RichardSIA
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It's ALIVE! Rebuilt the DHLA 40's. Going to need some tuning, seems a bit lean at part throttle. Idle screws two turns out to run. Getting a pretty good fog of fuel reversion at higher RPM. I have no idea what cam is in it but the head porting is obvious. Did a warm compression test after running for several minutes, 160 high to 145 low. Excellent oil pressure and no smoke, seems good enough to put into the car once it is tuned.
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Checked before refitting the valve cover, both valves closed. But the issue is zero spark. Tried cleaning the IR Diode and interrupting the beam, still no spark. Checked that there IS a beam using a cell phone, it was there. So it seems likely my obsolete control unit is dead. Quick fix is to go grab a PerTronix unit to fit, or just put points back in. PerTronix is more available. And yes, I did check the coil. This does bring up another issue. According to on-line advice my DHLA-H are "Emissions" carbs and intended for use with a vacuum advance distributor. My Lucas 43D4 distributor is mechanical advance only. This setup was in use before I bought this engine. But I have to wonder if another distributor with Vac. advance might be better?
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Found one, NAPA #703-1332 I will be replacing the thin rubber gasket with a more substantial O-ring. Had some trouble getting the cover bolted down as it seems the bolt locations are just a fraction off. Next time I have it removed I guess I will ream the holes for a little more clearance. Getting close to test fire as the 3 PSI fuel pump should arrive on Friday.
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Very good used Ford Type E ("Rocket box") from a Birken Lotus 7 replica that had a "Kent" 1600 cross-flow engine in it. I pulled the top cover and looked inside, no chipped or broken gears. These are full synchro so no first/reverse issues as are common to transmissions without first gear synchro. Iron case top loader, 'Web information says good for 175-200 HP so much stronger than the earlier Type 3. Only selling as I am putting a T9 in its place. These are very hard to find in the USA. Modified gear lever is included but the bell housing is not. There are several direct fit bell housings available depending on your use. Any bell housing that will fit a T9 should bolt up to the Type E but you have to remember the input shaft length varies. This is from a four cylinder engine so has the "Short" input shaft and "Lower" gears. Gear ratios: 1=3.65:1, 2=1.97:1, 3=1.37:1, 4=1:1 Listing as local pickup only as I cannot estimate shipping to an unknown address and do not have it crated. I am near Reno/Lake Tahoe, you wanted to visit the area anyway. YRC Freight went broke, Fastenal is a good alternative for Western US.
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A step forward, a step back. It seems the T9 I ordered via feeBay has gone "Missing in transit", AKA STOLEN! Seems to be the new normal, and a T9 is not the Hope Diamond, so just thuggery at play. Cannot order another until I get my refund, and of course prices are still going up. So for now I only have the "Type E" 4-speed to work with. Not certain how much has to be changed between them when I finally do have a T9.
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Well, I have begun getting mine ready to test run before putting it into a car. Got it mounted into my test stand and an exhaust fitted. Pleasantly surprised to find that the head has been ported. Found the missing module for my old Luminition on feeBay and bought it. Still looking for a side entry distributor cap and rotor. I will be rebuilding the Dellorto 40's. No idea what cam is in this engine and hope it is not too radical as it is intended as a street car.
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Identified as a Type E Box. Today I set it into the chassis along with the engine. Unless I may find a more compact bell housing the chassis will have to be modified fairly heavily. I see Burton has a unit that allows fitting the starter to either side but that seems like I might lose even more room at the footwell. Ideally I would find an alloy bell with right side starter, any such available?
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I have been on Locost USA for a long time. But that site seems to have little enthusiasm for the original 7 concept or use of a "mere" Sprite engine. Lots of excess HP there, up to and including blown or turbo big-block v8's. Most builds have lost the "Simplify" concept as well with EFI and Turbo, plus digital gauges, in nearly every build. What I am after will not be a real 7 no matter what I do, and with no intent to sell no reason to not make it to suit only myself.