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   All Posts (pjz)


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Re: New Billet A14 (77mm stroke) crankshafts
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Hi D,
For many years I used stock A14 cranks, but I would only use the 9000-9800 rpm sparingly. On the dyno, operators can see a harmonic at around 7800 rpm due to crankshaft flex.

Now with billet cranks, I am routinely using 9600-10,000 rpm.

I agree that there are probably only 1-2 that want to purchase. But, I had to ask!
Peter

Posted on: 10/26 23:49
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New Billet A14 (77mm stroke) crankshafts
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IF 6 people will commit, I can have A14 style billet crankshafts built here in the US for $2100 each.

Shipping to your location would be extra, and a deposit would be required. Time frame would be about 2 months.

Are six people interested?
Thank you, Peter Zekert

Posted on: 10/25 23:33
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Re: A12 Billet Crankshaft (70mm stroke)
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My apologies. You are correct, Moldex custom cranks start at $3000USD. Peter

Posted on: 10/25 15:26
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A12 Billet Crankshaft (70mm stroke)
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Moldex built A12 billet crankshaft, 70mm stroke. Very good condition. Expensive at $1100 USD plus shipping.

[This is owned by a sometimes customer of mine who is stubborn. He says if he does not get his money out of it, he will keep it and die with it. We will see if anyone wants a billet A12 crankshaft.]

I run billet A14 crankshafts in my engines. Here they cost about $3000 USD to build. [Edited to correct the price.]

Thank you, Peter

Posted on: 10/17 21:06

Edited by pjz on 2019/10/25 15:07:51
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Re: WTB - set of Engine mount brackets A12
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I keep sets of engine mounts. I assume you have the 1971-73 A12? I've got those. Peter

Posted on: 10/4 3:33
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Re: A12 flywheel to crank Bolts needed
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From my 1200 racing days, I still have a few boxes of new 3/8"-24 flywheel bolts for the 1971-1973 1200.

Peter

Posted on: 10/3 4:36
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Dry Sump Oil Pump, Pan, Valve Cover A12, A13, A14
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I have a NEW Datsun Competition 2-stage oil pump, with a New Tholen Designs TDC oil pan (that has not been drilled and tapped for the oil scavenge yet, and a valve cover that was welded shut to seal the engine. I would like $1500 USD for the set plus shipping. If you think the price is too high, make me an offer. Who knows, I may accept it.

The pans were designed for the A12 crankshaft, but with a little massaging, they can be used on A13/A14 engines.

I buy, sell and trade Datsun A-series parts in connection with my racing (and for fun). [I've got 10,000 Datsun A-series engine parts in my garage. Need something?] I bought these items from racers who started projects in 1984, and never finished the engines. My current setup does not require these parts, so they are for sale.

Thank you, Peter

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Posted on: 7/22 21:11
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Re: FS: Pair of 48 Dellorto DHLA side drafts
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Here are the 45 DHLA bodies bored to 48; and the original 48s with a repair plate to fix the cracked mounting flange. They do not look pretty, but they worked.

My suggestion would be to transfer everything over to the undamaged bodies.

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Posted on: 7/15 17:14
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FS: Pair of 48 Dellorto DHLA side drafts
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Hello, I have been running Dellorto 45 and 48 DHLA and Weber 45 DCOE on my Datsun A13 powered race car. I don't think I need to have 4 complete sets of carbs for one race car, so some of these are offered for sale.

Set #1: New/rebuilt pair of 48 Dellorto DHLA with only dyno time and 1 test day at the track. These were built up by taking a set of good 40 DHLA bodies and boring the bodies to accept all of the 48 chokes and throttle plates. These have large, 40mm chokes in them and they are jetted for my 1300cc Datsun at high rpm (using 7500-10,000). $1000 USD plus shipping. I have invested probably 2-3 times that much. These are compete and ready to bolt onto a manifold and race. 2-DHLAs.

Set #2: A pair of 48 DHLA carb bodies and all of the parts to build them. $500 USD plus shipping. This is a package that includes (2) 48 DHLA that were running; (2) 45 DHLA bodies that have been bored to accept all of the 48 components; and all of the parts to assemble (2) complete carbs with jets/chokes etc. You will get many extra DHLA parts. The 48 DHLA pair has been repaired, so you can either use that pair OR put everything into the bored out 45 DHLA.

I also have Set #3: A complete and running pair of 45 DHLA with 40mm chokes. Used but in very good condition. $1000 USD plus shipping. [I also have other smaller 45 and 48mm chokes, so these can be made to work with lower rpm engines.]

OR PACKAGE: IF someone bought all of my DHLA carb sets listed above for $2500, I would include large storage bins with jets of all sized and DHLA tuning parts. I spent tens of thousands of dollars over the last few years doing dyno tests to find the best for my engine. My air/fuel ratio curves are very flat for carburated dyno pulls.

Thank you, Peter

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Posted on: 7/15 17:11
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Re: Used Twin Dellorto Price Guide
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My 1300cc engines (using the 45 or 48 Dellortos and/or the 45 Webers) are 9800 rpm engines, 15:1 compression, 0.650" lift at the valve using either 1.60 or 1.65 roller rockers, camshafts built on blanks (when I can find them) with banana shaped opening ramps, Carillo or other H-beam rods, billet crankshafts. We use 10mm or 3/8" rocker tower studs and make our own steel rocker towers. Each tower is built for that engine, so to maximize the rocker ratio. Titanium valves are 7mm stems. Valve train is "little" beehive valve springs and Titanium retainers about 25mm diameter.

Posted on: 7/14 23:24
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