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Thread: custom coolant/radiator plans, questions.

Started 1 month, 2 weeks ago by N3v
I'm swapping a 91 N/A 13b into my miata, and obviously it'd be a good idea to upgrade the cooling at the same time. I'm going to get an aluminum radiator that fits a miata, then hook it up to the 13b. the only issue is that because of the engine bay layout, the radiator will be really far from the engine. I think the best solution is just to weld on some 16 -AN fittings ...
Site: RX-7 Owners Club  RX-7 Owners Club - site profile
Forum: 2nd Generation Specific (1986-92)  2nd Generation Specific (1986-92) - forum profile
Total authors: 3 authors
Total thread posts: 4 posts
Thread activity: no new posts during last week
Domain info for: rx7club.com

Other posts in this thread:

stevensimon replied 1 month, 2 weeks ago
yes thermostat is between neck and pump. s4 pump housings are all aluminum but you need to use an s4 water pump.

N3v replied 1 month, 2 weeks ago
well I guess I need one of those then. just to clarify though, an s4 coolant neck won't fit on an s5 pump housing?

clokker replied 1 month, 2 weeks ago
Quote: Originally Posted by N3v well I guess I need one of those then. just to clarify though, an s4 coolant neck won't fit on an s5 pump housing? No, it won't. The plastic S5 thermostat housing has a three bolt mounting flange, the S4 unit has two bolts. You could make an adaptor, not sure it's worth the ...

 

Top contributing authors

Name
Posts
N3v
2
user's latest post:
custom coolant/radiator plans,...
Published (2009-11-10 13:41:00)
well I guess I need one of those then. just to clarify though, an s4 coolant neck won't fit on an s5 pump housing?
stevensimon
1
user's latest post:
custom coolant/radiator plans,...
Published (2009-11-10 13:38:00)
yes thermostat is between neck and pump. s4 pump housings are all aluminum but you need to use an s4 water pump.
clokker
1
user's latest post:
custom coolant/radiator plans,...
Published (2009-11-10 14:20:00)
Quote: Originally Posted by N3v well I guess I need one of those then. just to clarify though, an s4 coolant neck won't fit on an s5 pump housing? No, it won't. The plastic S5 thermostat housing has a three bolt mounting flange, the S4 unit has two bolts. You could make an adaptor, not sure it's worth the effort.

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