Radiator Replacement

1980-1986 Datsun 720 forums. All 720-specific topics and discussion can be found here.
86 720
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Joined: Tue Sep 29, 2009 11:55 am
Car: 1986 720 4cyl Standard Cab

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Most likely going to replace the radiator, hoses, pump and thermostat before it gets too hot.

Looking to get an aluminum rad., but not sure where to look or what size, never had to order one before, any thought?


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captainzeros
Posts: 209
Joined: Sun Jan 24, 2010 8:00 pm
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1981 Datsun 720 Longbed
1973 Datsun 240Z
Location: Independence, OR

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Relevant to my interests. I actually just pulled mine out this morning because I'm replacing my water pump, it's currently sitting in the bed. If you want, I can go take some measurements, other than that no clue on shopping.

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PEZi
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its interesting you mention this... because i've been thinking of doing an aluminum rad for a while now

i have not however gotten around to looking for one... i'm not sure they make one specifically for the 720 since its not a common truck to modify... but they might

start with summitracing.com and see what they got... let us know of any finds!

86 720
Posts: 199
Joined: Tue Sep 29, 2009 11:55 am
Car: 1986 720 4cyl Standard Cab

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Let me know what your dimensions are... Specifically the mounting bolt patterns as well.

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Charlie69
Posts: 256
Joined: Sat Nov 08, 2008 6:01 pm
Car: 1966 Datsun 520
Location: Tolleson AZ

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Is this Gabe?

Call Hawkes Radiators (623) 478-9960 405 N 75th Ave Bld 2 #142 Phoenix AZ 85043 That is where I bought my radiator for my 520. Not sure if they do aluminum. They bought ou I think it was modine radiator manufacturing a few years back.

If you replace your old radiator i would like to talk to you about your old one.

If this is Gabe hows your 510 coming. Did you get my pm on Datsun Don?
Modified by Charlie69 at 11:07 AM 3/28/2010

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captainzeros
Posts: 209
Joined: Sun Jan 24, 2010 8:00 pm
Car:  
1981 Datsun 720 Longbed
1973 Datsun 240Z
Location: Independence, OR

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Overall width is just under 28", overall height is about 17.5"As far as hoses go, they seem to be about 1.5" ID, but take that with a grain of salt because I don't know how to properly measure radiator hoses and they've probably stretched out a mite good.

Note also, my truck has an automatic transmission, so there are two more small hose connections at the bottom for the transmission.

flinterman2000
Posts: 1011
Joined: Mon May 04, 2009 5:32 pm
Car: 2000 Nissan Wingroad, 85 Datsun 720 Pick Up.

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Your measurements are on the button, including the hose sizes.

86 720
Posts: 199
Joined: Tue Sep 29, 2009 11:55 am
Car: 1986 720 4cyl Standard Cab

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Charlie69 wrote:Is this Gabe?

Call Hawkes Radiators (623) 478-9960 405 N 75th Ave Bld 2 #142 Phoenix AZ 85043 That is where I bought my radiator for my 520. Not sure if they do aluminum. They bought ou I think it was modine radiator manufacturing a few years back.

If you replace your old radiator i would like to talk to you about your old one.

If this is Gabe hows your 510 coming. Did you get my pm on Datsun Don?

Modified by Charlie69 at 11:07 AM 3/28/2010
Hey hey, yeah, it's me! I want to switch from stock to aluminum radiator and delete the fan for the 720, so I've been all over the Nissan boards.

If I find one, I'll def. give you a good deal on mine.

86 720
Posts: 199
Joined: Tue Sep 29, 2009 11:55 am
Car: 1986 720 4cyl Standard Cab

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flinterman2000 wrote:Your measurements are on the button, including the hose sizes.
Sweet, thanks for the measurements!

flinterman2000
Posts: 1011
Joined: Mon May 04, 2009 5:32 pm
Car: 2000 Nissan Wingroad, 85 Datsun 720 Pick Up.

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No probs. I had a custom rad built (not aluminum although I wish I had) for the conversion I'm doing, so I know you're on the mark.


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