Stoffregen Motorsports Posted September 2, 2023 Report Share Posted September 2, 2023 Never heard of DNJ. I like to use Hastings sprayed chrome rings. They are a good balance between the durability of chrome, but they break in fast and can break in on a less than perfect bore, like a cast ring. If you have a local machine shop, stop in and ask them if they can get them. Local engine machine shops are also a great place to get bearings and gasket kits. 1 Quote Link to comment
Stoffregen Motorsports Posted September 2, 2023 Report Share Posted September 2, 2023 (edited) I just went to their website, and I can only judge from the pics, but the rings are black, which indicates cast. Assuming the pics are of actual parts, and looking at rings packed in plastic bags. https://enginecomponents.com/products/engine-re-ring-kit-rrk601 A sprayed chrome ring is cast, but sprayed with a hard finish, and they are usually silver. True chrome rings are usually a steel ring wrapped with a chromoly surface. The color tends to be shiny on the edge while gold-ish on the inside. Edited September 2, 2023 by Stoffregen Motorsports 1 Quote Link to comment
builte Posted September 2, 2023 Author Report Share Posted September 2, 2023 Thank you I'll get em ordered now Quote Link to comment
builte Posted September 2, 2023 Author Report Share Posted September 2, 2023 Turns out this engine is blue 😂😂 Quote Link to comment
datzenmike Posted September 2, 2023 Report Share Posted September 2, 2023 I have a Z24i bock from a D21 Hardbody and it's blue 1 Quote Link to comment
builte Posted September 3, 2023 Author Report Share Posted September 3, 2023 It was definitely done by somebody because there is over spray all over the oil pan thale transmission looks brand new Quote Link to comment
datzenmike Posted September 4, 2023 Report Share Posted September 4, 2023 Someone did their oil changes. Quote Link to comment
builte Posted September 4, 2023 Author Report Share Posted September 4, 2023 That's for sure it looks great honestly thinking about just closing it back up and giving it a clean up and some paint Quote Link to comment
builte Posted September 4, 2023 Author Report Share Posted September 4, 2023 Is there supposed to be something in that bolt hole at the bottom Quote Link to comment
Crashtd420 Posted September 5, 2023 Report Share Posted September 5, 2023 17 hours ago, builte said: Is there supposed to be something in that bolt hole at the bottom I dont believe so.... I thought it was to help remove the cap.... I used a thread rod on a slide hammer when to remove that cap.... Not 100% sure if I'm correct but that's what I did.... 1 Quote Link to comment
Stoffregen Motorsports Posted September 5, 2023 Report Share Posted September 5, 2023 I see blue overspray on the head too. My memory isn't clear but I think during those years, Nissan wasn't being so careful and they must have been painting the engines after they were assembled. Of course, most engine rebuild shops paint the motors after assembly so that could be a sign that the motor has been rebuilt. The inside of the head, under the valve cover looks to clean for it to be original. 1 Quote Link to comment
builte Posted September 7, 2023 Author Report Share Posted September 7, 2023 All done gonna be going back in this weekend I may need help figuring out which vacuum lines to cap off but then it will be done engine wise 2 Quote Link to comment
builte Posted September 17, 2023 Author Report Share Posted September 17, 2023 Does anyone know what this little do hickey is here maybe to check air fuel mixtures?? Quote Link to comment
builte Posted September 17, 2023 Author Report Share Posted September 17, 2023 And did the oil reclaim run into the egr I forget 😂😂 Quote Link to comment
builte Posted September 17, 2023 Author Report Share Posted September 17, 2023 NVM on the last question I'm stupid 😂 1 Quote Link to comment
Crashtd420 Posted September 17, 2023 Report Share Posted September 17, 2023 3 hours ago, builte said: Does anyone know what this little do hickey is here maybe to check air fuel mixtures?? That's the automatic choke.... 1 1 Quote Link to comment
builte Posted September 18, 2023 Author Report Share Posted September 18, 2023 Thank you I'm still learning all the components of this engine and how they work 7 hours ago, Crashtd420 said: That's the automatic choke.... 1 Quote Link to comment
builte Posted September 25, 2023 Author Report Share Posted September 25, 2023 How should I single out the vac advance, break booster, and trans vaccume? Quote Link to comment
builte Posted September 25, 2023 Author Report Share Posted September 25, 2023 Like what the best and cleanest way to route each of them? Quote Link to comment
datzenmike Posted September 25, 2023 Report Share Posted September 25, 2023 On 4x4 engines there is a strip pf metal that supports the oil pick up tube bolted there. The oil pans are much different than the 2wd. This is the block vent tube that allows crankcase fumes to be drawn into the intake at the PCV valve. I don't see the EGR tube here. Automatics have a small diameter vacuum line to the intake, usually on the fitting above that goes to the brake booster on the L series engines but I'm not sure on the Z series. This allows the automatic to sense engine load and up-shift properly. 1 Quote Link to comment
builte Posted September 25, 2023 Author Report Share Posted September 25, 2023 I appreciate all the information I have capped the egr off I'll post more pictures this weekend and try to figure out were the break booster goes Quote Link to comment
builte Posted December 10, 2023 Author Report Share Posted December 10, 2023 Anybody know why the 720 will only start in neutral? Quote Link to comment
datzenmike Posted December 10, 2023 Report Share Posted December 10, 2023 It should start in any gear if the clutch pedal is down. Maybe the clutch switch is not working leaving only the neutral start. My new '70 Dart had that interlock. I disconnected it so that if the engine quit I could use the starter to move the car. 1 Quote Link to comment
builte Posted December 11, 2023 Author Report Share Posted December 11, 2023 On 12/10/2023 at 2:41 PM, datzenmike said: It should start in any gear if the clutch pedal is down. Maybe the clutch switch is not working leaving only the neutral start. My new '70 Dart had that interlock. I disconnected it so that if the engine quit I could use the starter to move the car. It's an automatic lol sorry forgot to add that information Quote Link to comment
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