datsun-roadsters
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Re: R16 / H20 / H25

To: "datsunmike" <datsunmike@nyc.rr.com>
Subject: Re: R16 / H20 / H25
From: "Daryl Smith" <darylsmith@telus.net>
Date: Fri, 10 Aug 2001 21:13:04 -0700
Actually I'm curious if the 1600 crank would fit in the H25 block thereby
giving you an actual 1814cc ( 93mm bore ) displacement and another choice
for an R16 based engine. (R16 head of course).
Just another over the top idea.
Daryl
'66 1600
----- Original Message -----
From: "datsunmike" <datsunmike@nyc.rr.com>
To: "Daryl Smith" <darylsmith@telus.net>
Cc: "Datsun Roadster List" <datsun-roadsters@autox.team.net>
Sent: Friday, August 10, 2001 8:33 PM
Subject: Re: R16 / H20 / H25


> Daryl,
>
> See answers below.
>
> Mike
>
> ----- Original Message -----
> From: "Daryl Smith" <darylsmith@telus.net>
> To: "Roadster Listgroup" <datsun-roadsters@autox.team.net>
> Sent: Friday, August 10, 2001 7:54 PM
> Subject: R16 / H20 / H25
>
>
> > A few questions for you forklift experts (and others).
> >
> > Is the H25 Engine the same block as the H20, just with larger
bore/stroke?
>
> The H25 is a very long stroke 4 cylinder, probably too long for a sports
car
> motor. I run an H20 and it's great. Big 4 cylinders aren't the best
running
> motors unless they use balance shafts. See Porsche 944s and Mitsubishi
> Starions
> >
> > Does the H20 engine use a three bolt thermostat housing that can be used
> on the R16 ( without the rad cap )?
>
> You can't use a H head as it's very restrictive. I have one and it serves
as
> a great paper weight. Mine has a 2 bolt housing but can't be used on a
> Roadster head as the outlet angle is wrong as it faces the rear. You need
a
> water outlet from a 1500 or 411.
> >
> > Will the 2L Rad bolt into a '66 without modifications for mounting?
>
>  I had to modify mine by drilling additional holes in the rad braces.
> >
> > I want to move the rad cap from the engine back to the radiator where it
> should be and am looking for options. I may get a filler neck attached to
> the 1600 rad.
>
> I just brought my old 1600 rad in to have a neck put on the header tank
and
> have the overflow outlet changed to a 2L type.
> >
> > any ideas or suggestions welcome
> > thanks
> > Daryl
> > '66 1600

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