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by datzenmike
19 Sep 2018 19:06
Forum: Powertrain
Topic: questions on a 32/36 install
Replies: 4
Views: 73

Re: questions on a 32/36 install

That hose connects to the flow guide valve mounted low on the strut tower it's pointing at. The flow guide valve does several things depending if the engine is running or not. When off, it allows evaporated gas from the tank (under very slight positive pressure) into the engine crank case for storag...
by datzenmike
18 Sep 2018 20:52
Forum: Powertrain
Topic: questions on a 32/36 install
Replies: 4
Views: 73

Re: questions on a 32/36 install

http://clunkbucket.com/wp-content/gallery/1973-datsun-510/datsun_510_slots2.jpg The block vent should be connected to the PCV valve in the intake as shown in the picture. The valve cover vent should go to the air filter housing. I hate when people fuck with this beautifully simple and benign system...
by datzenmike
17 Sep 2018 19:42
Forum: Body & Electrical
Topic: Stock 240sx distributor housing
Replies: 1
Views: 50

Re: Stock 240sx distributor housing

It's called a crank angle sensor (CAS) and needs the ECU and sensors to set the spark and correct advance. It might be useful if going to something like a Mega Jolt system.
by datzenmike
17 Sep 2018 19:38
Forum: Powertrain
Topic: R160 Diff ID
Replies: 6
Views: 135

Re: R160 Diff ID

39/10=3.9
by datzenmike
12 Sep 2018 21:15
Forum: Powertrain
Topic: "83 280ZX close ratio box and 3:90 differential
Replies: 17
Views: 449

Re: "83 280ZX close ratio box and 3:90 differential

Not everyone who has a Datsun has a 'true' close ratio box, would even know about them, where to find one, could afford one, and if they did they probably wouldn't like them anyway for their predominantly street driven cars. The 'close ratio' box is simply too esoteric for a street car. So that leav...
by datzenmike
17 Aug 2018 20:00
Forum: Powertrain
Topic: "83 280ZX close ratio box and 3:90 differential
Replies: 17
Views: 449

Re: "83 280ZX close ratio box and 3:90 differential

To confirm you do have the close ratio box, mark the input and output splines, place in first and turn the input spline 20 full turns while someone counts the output turns. (I use an old clutch disc) 20 divided by 3.062 (1st gear ratio) should be 6.5 output turns. A mid ratio is 6.0 turns, a wide ra...
by datzenmike
17 Aug 2018 19:01
Forum: Powertrain
Topic: Need camshaft identification
Replies: 3
Views: 172

Re: Need camshaft identification

U67 is an L20B head but could have an L16 cam swapped in. If an L20B cam it will have these square bumps cast in... https://i.imgur.com/mAcMb0w.jpg I have a used Isky cam (I assume reground) with a calculated .480 lift (although it is stamped .490) for a U-67 head I want to 'build'. It seems to work...
by datzenmike
31 Jul 2018 17:07
Forum: Powertrain
Topic: Another transmission ID.
Replies: 21
Views: 1404

Re: Another transmission ID.

I have an '85 diesel in pieces and the input splines are the same as all Nissan input splines. Only the front case is different with the starter on the driver''s side and the bolt pattern. Actually the diesel front case can fit the Roadster R16 and U20. got a guy needing trany work on his 81 diesel ...
by datzenmike
25 Jul 2018 19:16
Forum: Powertrain
Topic: Another transmission ID.
Replies: 21
Views: 1404

Re: Another transmission ID.

Will a L series bell housing fit a napZ transmission It's actually a front case as it covers all the gears 1 through 4 and not just the clutch. Yes 4 or 5 speed cases will bolt on with two or three possible exceptions you will need to check. 1/ Some older 4 speeds have the reverse switch about an i...
by datzenmike
22 Jul 2018 10:34
Forum: Suspension
Topic: Turbos and B210 boosters
Replies: 9
Views: 310

Re: Turbos and B210 boosters

Build dates Sept '81 on are horizontal same as all the 15/16" Maxima ones.
by datzenmike
22 Jul 2018 10:25
Forum: Powertrain
Topic: Stuck clutch
Replies: 3
Views: 135

Re: Stuck clutch

Place in 4th gear, e-brake on, brake on and wheels chocked so it cannot move. Depress the clutch pedal. This will un-clamp the disc even though it may be stuck to the flywheel or PP... or both. Use the starter to bump the flywheel and attached PP against the clutch disc which is locked to the immobi...
by datzenmike
21 Jul 2018 19:17
Forum: Suspension
Topic: Turbos and B210 boosters
Replies: 9
Views: 310

Re: Turbos and B210 boosters

Trucks do because there are no strut towers in the way. The z car strut is out of the way...

Image
by datzenmike
20 Jul 2018 19:43
Forum: Body & Electrical
Topic: engine dies like a switch was thrown
Replies: 6
Views: 321

Re: engine dies like a switch was thrown

Ah... EI. If power to the coil on the positive terminal, and a jumper to ground on the negative side produces a spark, then the problem is somewhere in the distributor. https://i.imgur.com/ZOkbBht.jpg 1/ Check for power right at the B terminal on the module. 2/ Check that the wire from the C termina...
by datzenmike
20 Jul 2018 19:38
Forum: Suspension
Topic: Turbos and B210 boosters
Replies: 9
Views: 310

Re: Turbos and B210 boosters

All Datsuns with brake boosters have an in line, one way valve, between it and the intake vacuum supply. If working properly there is residual vacuum in the booster after the engine is shut off. This means that if your engine should quit while driving, there is still enough vacuum in the booster to ...
by datzenmike
19 Jul 2018 17:55
Forum: Body & Electrical
Topic: engine dies like a switch was thrown
Replies: 6
Views: 321

Re: engine dies like a switch was thrown

Not running but headlights work. Not the fusible link... Crank the engine over and check for spark by holding coil wire near ground or use an old spark plug. Got spark? Yes .... pull a plug wire off and check for spark. Confirmed no spark. Problem is between the coil wire and plug wire. Distributor ...