Ted75zcar's questionable logic - the '91 compound turbo-super
03-11-2017, 10:52 AM
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Tweaking Enginerd
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Ted75zcar's questionable logic - the '91 compound turbo-super
So, I think I would like a single consolidated spot to record various random aspects of my project. I have been working on this for several years now. There are bits and piece scattered throughout the forumverse.
At a high level, the car that will hopefully be back on the road this summer is a '91 Mariner with a 1.8 swap, compounded turbo-super. I am using a NA block, but it does not have the second oil feed, not sure what year beyond that. I am also using a VVT head and VICs intake. Guts are all good stuff, wiseco 8.5's, Carrillo super-A, ST heavy doubles with 1mm OS In/Ex (Inconel Ex.). FI - Garrett GTX2867R, Begi mani and long tube divorced, MP62. Drive-train - FM2 clutch, 6-speed, 4.1 LSD, '94 subframes. Stops - FM BBK (4-wheel). Suspension - FM2.5. Grips - Dunlop Direzza DZ101 on Konig Helium, 205/50/R15 EM - MS3PRO
This car has to date been exclusively street driven, I may at some point take it out for track days, but it will never be a tracked or raced car.
I am in the process of building the second version based on the parts above. The first version served as a proof of concept. It was based on a stock bottom end 1.6 with a fair amount of head work. FI started as a GTX2867R - OA2076, but the turbo had some significant issues and was swapped out for a 48trim GT2871 churbo. EM - MS2PNP. I drove this setup for about 6 months and it was a blast. I also discovered several design opportunities, and quickly ran out of rod. Here is a VD plot of the 1.6 version
At a high level, the car that will hopefully be back on the road this summer is a '91 Mariner with a 1.8 swap, compounded turbo-super. I am using a NA block, but it does not have the second oil feed, not sure what year beyond that. I am also using a VVT head and VICs intake. Guts are all good stuff, wiseco 8.5's, Carrillo super-A, ST heavy doubles with 1mm OS In/Ex (Inconel Ex.). FI - Garrett GTX2867R, Begi mani and long tube divorced, MP62. Drive-train - FM2 clutch, 6-speed, 4.1 LSD, '94 subframes. Stops - FM BBK (4-wheel). Suspension - FM2.5. Grips - Dunlop Direzza DZ101 on Konig Helium, 205/50/R15 EM - MS3PRO
This car has to date been exclusively street driven, I may at some point take it out for track days, but it will never be a tracked or raced car.
I am in the process of building the second version based on the parts above. The first version served as a proof of concept. It was based on a stock bottom end 1.6 with a fair amount of head work. FI started as a GTX2867R - OA2076, but the turbo had some significant issues and was swapped out for a 48trim GT2871 churbo. EM - MS2PNP. I drove this setup for about 6 months and it was a blast. I also discovered several design opportunities, and quickly ran out of rod. Here is a VD plot of the 1.6 version
Last edited by Ted75zcar; 03-11-2017 at 11:23 AM.
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03-11-2017, 10:53 AM
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Tweaking Enginerd
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some more random pics from the 1.6 build
air diagram
alternator bracket
car front view
engine overview
Intake
Mounted Alternator
Mule mount Front
Mule mount Rear
Oil cooler
air diagram
alternator bracket
car front view
engine overview
Intake
Mounted Alternator
Mule mount Front
Mule mount Rear
Oil cooler
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[/QUOTE]
03-11-2017, 11:10 AM
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Tweaking Enginerd
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So far this winter I have moved the evap canister to the driver side rear wheel well, sorry for the rotated picture, will need to learn how to get it to not do that ...
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03-11-2017, 12:06 PM
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Here are a couple of fun-ish visuals from an excel tool I created to calculate seat dimentions for my 5 angle cut. The first image is at 0 lift, the second at 0.025
the second two show the stock valve vs the OS valve on the 5 angle at 0" and 0.025" lift
I am a nerd
the second two show the stock valve vs the OS valve on the 5 angle at 0" and 0.025" lift
I am a nerd
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03-11-2017, 12:19 PM
#11
Tweaking Enginerd
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and here is some eye candy from a MATLAB script I wrote to characterize the MP62. The MP62 compressor map doesn't extend far enough into the operating regions I am concerned about, and some of the information there is hard to extract (like VE).
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03-12-2017, 12:36 AM
#20
Tweaking Enginerd
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yep. It worked out really well for me, and I think I can live with the maximum boost limitation. Plus, I will be able to leverage the V1 charge piping, which is big. I am switching from a twinscrew to a roots, I think the roots is actually a better option.
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