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by spriso
04 Dec 2017 15:06
Forum: Engine Swap
Topic: Brian's S15 SR20DE Swap - Spriso Motorsports
Replies: 30
Views: 695

Re: Brian's S15 SR20DE Swap - Spriso Motorsports

We have run into idle issues on SRs when the hard line ports under the intake plenum were not capped:

Image

You might want to check that and see if they are open to atmosphere.

Michael
by spriso
04 Dec 2017 10:41
Forum: Project Builds
Topic: Noob build
Replies: 71
Views: 4999

Re: Noob build

by spriso
04 Dec 2017 09:07
Forum: Engine Swap
Topic: Brian's S15 SR20DE Swap - Spriso Motorsports
Replies: 30
Views: 695

Re: Brian's S15 SR20DE Swap - Spriso Motorsports

Jeff wrote:

Huh. Fix mine. It idles like hell. Then I put big cams in it. Now it's even worse.


Do you have your AAC valve hooked up? Do you have the air bypass connected to the intake tubing? The SR's won't idle worth a crap if they are not hooked up correctly.

Michael
by spriso
04 Dec 2017 07:57
Forum: Engine Swap
Topic: Brian's S15 SR20DE Swap - Spriso Motorsports
Replies: 30
Views: 695

Re: Brian's S15 SR20DE Swap - Spriso Motorsports

Jeff wrote: Also do you have issues with idle with such a short intake pipe? No, the car idles fine-- we have run into issues with short pipes on roadsters, but in this application, this works fine. Here is a YouTube video of the car idling: https://www.youtube.com/watch?v=6bNsYC4X0Sg Michael
by spriso
03 Dec 2017 21:23
Forum: Engine Swap
Topic: Brian's S15 SR20DE Swap - Spriso Motorsports
Replies: 30
Views: 695

Re: Brian's S15 SR20DE Swap - Spriso Motorsports

Jeff wrote:

Was the nylon valve easy to hook to the stock controls?


It took a little fooling around, but it was not too difficult.
by spriso
03 Dec 2017 20:26
Forum: Engine Swap
Topic: Brian's S15 SR20DE Swap - Spriso Motorsports
Replies: 30
Views: 695

Re: Brian's S15 SR20DE Swap - Spriso Motorsports

Jeff wrote: Have you guys ever tried this? You can take apart and clock the heater valve while retaining stock function. I have not tried that-- looks like an interesting solution-- in Brian's case the heater valve was junk, and I did not have any others (nor did I want to rebuild it), and we have h...
by spriso
03 Dec 2017 18:40
Forum: Engine Swap
Topic: Brian's S15 SR20DE Swap - Spriso Motorsports
Replies: 30
Views: 695

Re: Brian's S15 SR20DE Swap - Spriso Motorsports

The Last Details With the engine back in the car, it was then down to the last details to get it running again. Exhaust System A mandrel bent, 2" exhaust system was built from these components: https://c1.staticflickr.com/9/8265/29409989581_39bb748fc9_b.jpg We used the stock SR20DE exhaust man...
by spriso
27 Nov 2017 20:41
Forum: Engine Swap
Topic: Brian's S15 SR20DE Swap - Spriso Motorsports
Replies: 30
Views: 695

Re: Brian's S15 SR20DE Swap - Spriso Motorsports

The 6-speed With the engine prep done, it was time to bolt up the S15 6-speed transmission. Since this engine was originally an automatic, we needed to remove the automatic flex plate bushing which is pressed into the back of the crankshaft. I make a special tool to do this and then it is a pretty ...
by spriso
27 Nov 2017 14:45
Forum: Engine Swap
Topic: Brian's S15 SR20DE Swap - Spriso Motorsports
Replies: 30
Views: 695

Re: Brian's S15 SR20DE Swap - Spriso Motorsports

That is very interesting Jeff-- I'll order one and try it out. Here is Nissan's part number (from what I can see): 21595-07F00 Looks like you can get them via Summit Auto Parts: https://static.summitracing.com/global/images/prod/mediumlarge/fss-36509_ml.jpg https://www.summitracing.com/parts/fss-365...
by spriso
27 Nov 2017 14:01
Forum: Engine Swap
Topic: Brian's S15 SR20DE Swap - Spriso Motorsports
Replies: 30
Views: 695

Re: Brian's S15 SR20DE Swap - Spriso Motorsports

With the heating and cooling systems sorted, it was time to do a pre-lube on the engine before install. On Brian's engine, we went ahead and put a new oil pump in-- on the SR20DE(T) engines, the oil pump is part of the front cover, and the entire assembly is installed at once: Like this: https://c1....
by spriso
27 Nov 2017 13:33
Forum: Engine Swap
Topic: Brian's S15 SR20DE Swap - Spriso Motorsports
Replies: 30
Views: 695

Re: Brian's S15 SR20DE Swap - Spriso Motorsports

Heating and Cooling When the car came apart, it was apparent that the original heater core had not been removed from the car when it was restored-- and I could see a lot of nastiness oozing out from the core, and Brian reported that the heater control did not work well. So out with the heater... ht...
by spriso
27 Nov 2017 13:09
Forum: Engine Swap
Topic: Brian's S15 SR20DE Swap - Spriso Motorsports
Replies: 30
Views: 695

Re: Brian's S15 SR20DE Swap - Spriso Motorsports

Thanks for the comments guys-- Brian's SR swap was a fun project-- and even better since I had such a clean canvas to start with.

Michael
by spriso
26 Nov 2017 13:51
Forum: Engine Swap
Topic: Brian's S15 SR20DE Swap - Spriso Motorsports
Replies: 30
Views: 695

Re: Brian's S15 SR20DE Swap - Spriso Motorsports

Engine Compartment Prep While the SR was being freshened up, the engine compartment was also addressed. Since we were adding more power, we also wanted to make the car stop better too-- so a set of 280ZX front struts were obtained, so we could take advantage of their larger brakes. We would also cl...
by spriso
23 Nov 2017 22:17
Forum: Engine Swap
Topic: Brian's S15 SR20DE Swap - Spriso Motorsports
Replies: 30
Views: 695

Re: Brian's S15 SR20DE Swap - Spriso Motorsports

With the SR ready to go, it was time to drop the L-16 out of the car:

https://www.youtube.com/embed/jCUA_wqCCOA

The 2-post lift sure makes life nice...

Michael
by spriso
23 Nov 2017 22:02
Forum: Engine Swap
Topic: Brian's S15 SR20DE Swap - Spriso Motorsports
Replies: 30
Views: 695

Re: Brian's S15 SR20DE Swap - Spriso Motorsports

The Engine Like with any project, this one had goals and a timeline to meet, and at that particular time, for some reason SR20DE engines with manual transmissions were not immediately available. This did no concern me much as we knew we wanted to upgrade to a S15 6-speed transmission, so when a cle...

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