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Old 04-13-2011, 11:16 PM   #21 (permalink)
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Sooo.... does anybody have any experience econo-modding/ performance tuning the VeeDub motors? Point in a directiion~ lookin 2 learn!

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Old 04-14-2011, 02:01 AM   #22 (permalink)
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albyneau -

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Thanks Carlo~ but yer tellin me old news. I've been working/building/programming computers since the only color you could get was monitor yellow. You can help us ALL out by telling us what YOUR timer's set at, so I know how to handle the situation. That is NOT too much to ask....
I'm just an unpaid volunteer moderator, I don't *know* what the timeout is. If you look at the bottom of the page you will see this software version :

vBulletin Version 3.8.6

You can R&D the behavior of this software for typical timeouts. You can also do your own test to figure out the timeout by using a binary time search.

We get this complaint from time to time. In my experience, the timeouts mostly occur when people don't check the "Remember Me?" box. That is why I gave you that advice. What is your web browser and version thereof?

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Old 04-14-2011, 06:14 PM   #23 (permalink)
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Originally Posted by crisco View Post
oh man i love those old datsuns! that would be an awesome project! i would be interested in seeing some of your non-eco projects too... i've been involved in some cool resto - mods too.

for your project i would whole-heartedly recommend a cool turbo diesel if you can get your hands on one... they are all over the place in central america on small pickups and suvs. also the nissan frontier came with a killer turbo diesel in other countries...

JDM Engine Corp Engine Details - Nissan Frontier YD25DDTi Turbo Diesel Engine YD25 Neo
From what I can find, the NEO version is a two-year-only grandfather to the still-made YD25DDTI (2001-current), and it *appears* the only changes were to the injection system itself. Do you have any additional info or URL's regading this motor?

TIA~ Scott
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Old 04-14-2011, 10:58 PM   #24 (permalink)
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samurai or Toyota tranny with a vw turbo diesel. There is more than one outfit that makes swaps for a vw diesel into a zuki using either gear box. rocky road out fitters and acme adapters.
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Old 04-15-2011, 01:27 AM   #25 (permalink)
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Originally Posted by bestclimb View Post
samurai or Toyota tranny with a vw turbo diesel. There is more than one outfit that makes swaps for a vw diesel into a zuki using either gear box. rocky road out fitters and acme adapters.
Yep~ I'm all over that! Right now my tentative plan is to (1)- run the stock L16 for a bit, (2)- swap a Toy 20/22R and tranny(then I can set up all the 4x4 driveline stuff), and down the road (3)- eventually go to the VW diesel using said adapter (or make my own). But who knows~ maybe my gasser mods will negate the additional work/expense of the diesel....
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Old 04-15-2011, 01:33 AM   #26 (permalink)
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Originally Posted by albyneau View Post
Yep~ I'm all over that! Right now my tentative plan is to (1)- run the stock L16 for a bit, (2)- swap a Toy 20/22R and tranny(then I can set up all the 4x4 driveline stuff), and down the road (3)- eventually go to the VW diesel using said adapter (or make my own). But who knows~ maybe my gasser mods will negate the additional work/expense of the diesel....
you likely know about the 20/22r head swap. I forget which way does what but one is a nice little compression bump. I think if you have the 20 block and 22r head.
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Old 04-15-2011, 10:26 AM   #27 (permalink)
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Quote:
Originally Posted by bestclimb View Post
you likely know about the 20/22r head swap. I forget which way does what but one is a nice little compression bump. I think if you have the 20 block and 22r head.
In spite of the 22's oversized intake ports they actually flow LESS than the 20's~ due to to early and not-so-effective swirl-port design attempts. The 22's more desirable bathtub chambers and the fact most are fittind w/EFI are their only redeeming qualities. The downside to the 20's are an open (round) chamber design, which creates less combustion chamber swirl resulting in reduced fuel atomization. On the definite upside is their smaller ports, which increase atomization due to the air moving faster. The fix(es)? Extensive welding/reshaping on the 22 head's ports; on the 20's you're looking at a mild port job to clean up, match gaskets, and improve bowl shape just under the valve head, then modifying the intake side to accept the EFI manifold. The head swap you're referring to opens a whole new can of worms in the area of deck height (the distance between crankshaft centerline & haed surface); the 20 has a shorter deck than the 22~ so now we have an additional hurdle to get the timing chain the right length. I believe someone out there is now making the changeover timing set~ bit it's to put the lower compression 20 head onto the 22's block. A lot of work going in the wrong direction! That's why we're all here~ to MINIMIZE fuel consumption. It's a matter of physics~ it takes a given amount of fuel to feed a given size chamber (bore/stroke), to move a given weight object (car), overcoming aerodynamic forces in the process. So I'm opting for the SMALLEST motor practicable to get the job done. That's what makes turbos so attractive; they're load and altitude compensating~ and have little negative impact on economy. In fact they can indeed sometimes IMPROVE fuel mileage....

So to make a short story long~ I'm hoping to find a 20r motor for now...
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Old 04-15-2011, 10:30 AM   #28 (permalink)
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And thank you VBulletin~ for not timing me out! LMAO

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