Yeah a turbo FJ at 25psi would be music to my ear's :)
-----Original Message-----
From: Mick Ralph <[EMAIL PROTECTED]>
To: [EMAIL PROTECTED] <[EMAIL PROTECTED]>
Date: Saturday, April 22, 2000 6:39 PM
Subject: Re: FJ mods
>Yep
>far as i know 2.4 stroker running twin 55mm webers hmmm..
>Good for 60 secs flat at lakeside
>would have sounded unreal!!
>mick r
>----- Original Message -----
>From: Australian Web Design <[EMAIL PROTECTED]>
>To: <[EMAIL PROTECTED]>
>Sent: Saturday, April 22, 2000 3:07 AM
>Subject: Re: FJ mods
>
>
>> Hey mick didn't your datto have a 2.4 litre N/A FJ20 Stroker before you
>> bought the car????
>> -----Original Message-----
>> From: Errol Smith <[EMAIL PROTECTED]>
>> To: [EMAIL PROTECTED] <[EMAIL PROTECTED]>
>> Date: Friday, April 21, 2000 9:59 PM
>> Subject: Re: FJ mods
>>
>>
>> >Luke,
>> >The main problem with the NA (naturally aspirated) FJ20 is the lack of
>> >abilty to get a high CR (compression rato). The NA FJ20E cannot get a CR
>> >over 9.8 approx, due to the head design. Valve angles in the head are
>wrong
>> >and pistons get in the way of valves etc. So if you shave the head you
>must
>> >put reliefs in the pistons, that further lowers the CR. The best you can
>> >expect from a NA FJ 2.0 is approximarely 185 - 190 hp, and that is a
good
>> >one. In NA form the engines are good for an easy 160 - 170 hp, but over
>> >this it will cost you a large amount to get those last few hp. In stock
>> >form the NA head flows sufficiently to acheive approximately 240hp so
>head
>> >mods will not improve the HP capacity much if at all. It may even cause
>you
>> >to lose some driveability at mid range speeds. Rather than looking for
>more
>> >power from the engine, maybe look at ways to lose less of the available
>> >energy to things like cooling fans, alternators, flywheels, body weight,
>> >overall gear ratios etc. You can still get really good performance from
>> >the NA engine at 170 hp as it is a high torque engine design.
>> >
>> >The FJ engine was originally designed as the FJ24 NA. In this form the
>> >swept volume of the cylinder is sufficient to achieve CR's of 11:1 and
>then
>> >you can get some real power (260hp is realistic). To the best of my
>> >limited knowledge the Z24 crank is not compatible with the FJ24 block.
>> >(cylinder spacing is different I am told?). To make an FJ 24, you need
>the
>> >FJ24 crank, rods and pistons.
>> >
>> >The FJ's weight is a real downer in NA form in terms of hp/lb or Kw/Kg
>> >engine mass. In spite of this I think the FJ is still Nissans best Turbo
>> >engine in terms of reliability for power output. SR's do have a habit of
>> >breaking exhaust rocker arms when used at reasonably high engine speeds.
>> >Check the comments on the SSS automotive site on their engine designs
etc
>> >for more info on Datsun/Nissan engine designs and especially the FJ
>series.
>> >Cheers
>> >Feral Errol
>> >
>> >----------
>> >From: Leadex <[EMAIL PROTECTED]>
>> >To: ozdat <[EMAIL PROTECTED]>
>> >Subject: FJ mods
>> >Date: Friday, April 21, 2000 6:54
>> >
>> >I am desperate for some cheap ways to get some power from my FJ running
>on
>> >webbers. The engine is in good nick as it is, so will a bit of simple
>head
>> >work and bigger valves get much more power? Also, will Z24 parts fit to
>> >build a 2.4L engine?
>> >What is a cheap four cylinder place that can supply the parts and do
some
>> >of the work?
>> >
>> >Thanks
>> >Luke
>> >
>> >
>>
>
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