conedodger Posted November 27, 2020 Author Share #169 Posted November 27, 2020 Mine is already ported and extrudehoned. 😎 Link to comment Share on other sites More sharing options...
Captain Obvious Posted November 27, 2020 Share #170 Posted November 27, 2020 And here's what I was talking about maybe not having enough meat with a 100mm OD. Here's a quick sketch I threw together... 100mm OD, 70mm ID and two sets of bolt holes. One on a 60mm square and the other on a 60x70mm rectangle. All with the centers concentric. It looks to me like you might have some troubles with some of the holes being to close to the edge: So I don't know if the bolt pattern for the 350Z throttle body is 60x70, but I just used what I could discern from your ruler pics earlier. It looks like trouble. Link to comment Share on other sites More sharing options...
conedodger Posted November 28, 2020 Author Share #171 Posted November 28, 2020 Thanks Captain, I guess we bump the cylinder out a bit... Link to comment Share on other sites More sharing options...
conedodger Posted November 29, 2020 Author Share #172 Posted November 29, 2020 Ok, a little Sunday morning update. As I have mentioned, I'm semi-retired so I worked the last two days and was excited to see that I had boxes from David and Ebay. I haven't even figured out all of the stuff David sent me! It was packed so well, I half expected to find a live squirrel in there! 😎 The Ebay box was a Master Vac from a 79 280ZX. David also sent the same thing plus. Why two? I had already did a buy-it-now on the Ebay one, but I trust a member to send a serviceable part. David did. The Ebay one looks like it was bathed in saltwater 30 years ago and pulled out last week. Thanks David! So what am I doing and why? There are two ways to increase the assist for your braking system. One is a larger power brake booster. Of course, you are limited by what will not interfere with other installations in your engine bay and what will bolt up to the existing holes, or, what you are willing to drill for. The second is a dual diaphragm booster. These can be smaller, but the problem is finding one that will bolt up. I haven't and I assume no one else has either but hey! It could happen! The plan is to pack them up today and send them off to a Power brake rebuilder in San Jose or LA. Same company, just two locations. Yes, I am sending both because there is a small possibility that one might not be rebuildable. If both are, I will sell the other to a member so they can do this mod as well. A note though, I have long been one who says that the stock brake system in good serviceable order is perfectly adequate for even autocross and track days. But, I am basically doubling the stock horsepower so... A note to anyone thinking of doing this mod, you must uninstall your clutch master cylinder to fit the booster then reinstall the clutch master cylinder. Link to comment Share on other sites More sharing options...
Terrapin Z Posted November 29, 2020 Share #173 Posted November 29, 2020 40 minutes ago, conedodger said: Ok, a little Sunday morning update. As I have mentioned, I'm semi-retired so I worked the last two days and was excited to see that I had boxes from David and Ebay. I haven't even figured out all of the stuff David sent me! It was packed so well, I half expected to find a live squirrel in there! 😎 The Ebay box was a Master Vac from a 79 280ZX. David also sent the same thing plus. Why two? I had already did a buy-it-now on the Ebay one, but I trust a member to send a serviceable part. David did. The Ebay one looks like it was bathed in saltwater 30 years ago and pulled out last week. Thanks David! I must not have used enough tape on the box if the squirrel was able to get out. 😂😂. Glad to hear it made it there safely and you are happy with it. It did look to be in decent serviceable condition. I have worked in Shipping and Receiving for many years and understand packing makes a big difference. I have gotten so many things from eBay and FB that are packed so poorly. I am amazed they weren't just a bunch of pieces in the bottom of the box. Being I work in a large warehouse I have access to a multitude of boxes and packing for free, I know those items can be costly to buy. I'd be interested in hearing back on how the rebuild went, Rob. I am considering this Booster upgrade on my next project / build as well. That is a long ways off still. Just gathering info and a few parts here and there. I did also receive the trade item in the mail the other day but have not really looked at it much other than a once over. I have been on vacation this week and spent a lot of time reorganizing my parts hoard. Plus I tucked my car away for the winter. TZ Link to comment Share on other sites More sharing options...
conedodger Posted November 29, 2020 Author Share #174 Posted November 29, 2020 TZ, I would probably rebuild that item but it worked like a charm. Just my obsessive nature I'm sure... The squirrel didn't get out until I unpacked. I wanted to just evict the little bastard from my garage but my wife named her. Now I'm stuck with the damned thing!!! Thanks David! 1 Link to comment Share on other sites More sharing options...
conedodger Posted November 30, 2020 Author Share #175 Posted November 30, 2020 (edited) Ok, two boxes packed. Instructions enclosed. One box contains 73 240Z Power brake booster, the other contains two 79-81 280ZX Power brake boosters. I only intend to use one of course, but these are valuable vintage parts and someone should be bolting them on something so I am having them all done rather than putting them on a shelf where they languish and rust away. If you need a 240Z power brake booster for your restoration or you need a 79-81 280ZX power brake booster for your restoration or upgrade, PM me. Oh! I also have a 15/16 master cylinder I took off that was in good shape. It isn't rebuilt and it isn't new but these are hard to find so PM me if you need it. Edited November 30, 2020 by conedodger Link to comment Share on other sites More sharing options...
conedodger Posted December 1, 2020 Author Share #176 Posted December 1, 2020 (edited) @zKarsI am at the point of doing the alternator and I wondered if you could clarify what dimension to cut from? Is it the overall length. Oh, I stole your picture! Edited December 2, 2020 by conedodger 1 Link to comment Share on other sites More sharing options...
zKars Posted December 2, 2020 Share #177 Posted December 2, 2020 The remaining section length is 0.7” I believe. Let me go check a couple I have cut already. Better to be a bit short, you can add shims to push the alternator back and forth to position the pulley alignments 1 Link to comment Share on other sites More sharing options...
conedodger Posted December 6, 2020 Author Share #178 Posted December 6, 2020 @zKars, Thanks so much. I didn't mean to disappear but I go battle Covid for two days a week and I don't spend much time here in the mean time... I'm back, I have three tanks of propane and the garage is warming up as I type. Let's get this done! 1 Link to comment Share on other sites More sharing options...
conedodger Posted December 7, 2020 Author Share #179 Posted December 7, 2020 (edited) When I get home, I'll draw the bolt holes for spacer to manifold and eThrottle to spacer... It’s 130mm around and 40mm wide. The bore is 70mm. I have modeled the holes but haven’t gotten it to the point I can post it here. My son knows someone in the UNR Engineering Prototype Lab so we may go make it tomorrow... one thing is for sure, it would be a lot less complicated if the eThrottle had a square bolt pattern! IMG_1567.MOV Edited December 8, 2020 by conedodger Link to comment Share on other sites More sharing options...
conedodger Posted December 9, 2020 Author Share #180 Posted December 9, 2020 Anyone have a problem with my research on LED lights for my 240Z? Anyone think I need load resistors? I don't know how many Instrument Panel Lights I have so I just ordered a dozen. I did this with my 914-6 and no longer had the idle drop when I turned the lights on. LED Exterior lights for 240Z Front Side Marker Lights 1156 Amber X2 Front Turn Signal Lights 1157 Amber X2 Rear Reverse Lights 1156 White X2 Brake Lights 1157 Red X2 License Plate Lights 67 White X1 Parking Lights 1157 Amber X2 Rear Side Marker Lights 1156 Red X2 Rear Turn Signals 1156 Amber X2 Taillights 1157 Red X2 LED Interior Lights for 240Z Instrument Panel Lights 194 Blue or Red X12 Dome Light DE3175 White X1 Link to comment Share on other sites More sharing options...
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