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A14 ARP-studs or bolts for main bearings |
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Home away from home  
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2003/1/13 13:39
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Hi, have any of you guys found suitable ARP-headstuds or bolts for the main bearings! I know that they are not found in the ARP-catalogue but since they are such a common dimension M10 1,5 l:70mm I reckon you can find ones that suites from another engine! I believe thar the standard bolts are quite strong but since I have ARP-bolts/studs on both the head and the rods I would like to use them on the main bearings aswell!!
Marcus
Posted on: 2011/1/18 6:12
Edited by Datsun100ATurbo on 2011/1/18 19:11:48
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I am building a mean Datsun E10 racer  , a15 turbocharged engine, aiming for 280hp....
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Re: Sedan vs Coupe Wheel Arches |
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Home away from home Joined:
2003/1/13 13:39
From Forsby Finland
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I am also looking for suitable flares for my 1200 2d sedan......Quote:
racetech wrote:
Which companies are selling flares for the 1200's and are willing to ship internationally.
Posted on: 2010/12/1 18:57
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I am building a mean Datsun E10 racer , a15 turbocharged engine, aiming for 280hp....
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Re: Anyone used cut down (2.5mm)A14 pisons on an A15 crank |
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Home away from home Joined:
2003/1/13 13:39
From Forsby Finland
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We have built two A14 engines with A15 crank, A14rods and pistons without machining the pistons, instead we have used the A14 "pollution" head with bigger combustion chamber! With this combination the squisharea is almost zero and the compratio is suitable for a mid tune street engine. With a 290degree cam and twin carbs, extractors and electronical ignition this engine have shown good results in the dyno, 128hp! I donīs recomend this for a race engine nor a longmiler but for a cruiser slash weekendracer this is a good setup, these engines has been driven hard without big problems. My friend bent some valves when the throttle jammed at full speed.
Marcus
Posted on: 2010/12/1 18:53
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I am building a mean Datsun E10 racer , a15 turbocharged engine, aiming for 280hp....
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Re: A15 Race engine tips |
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Home away from home Joined:
2003/1/13 13:39
From Forsby Finland
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Kimmo, how much hp are you aiming for? If you need more than 146hp, you probably need more cc. 100hp/l isnīt easy to achieve with a 8valve pushrod engine but it has been done before, with some reaserch, right parts and lots of tuning itīs possible! I have heard about N/A A-series engines producing over 100hp/l but I have never seen any evidence/dynopapers, I know that itīs possible but I donīt think many hobbyracers could afford it. With 82mm stroke and 80mm pistons you get 1650cc, with 100hp/l that would give 165hp! To achieve these figures you need a cylinderhead with superb flowfigures, combined with the right camshaft and a welldesigned intake with throttlebodies and welldesigned extractors. The bottomend must be built with raceparts except for the crankshaft, a lightened and wellbalanced A15 crank is strong enough for these powerfigures. The compratio must be atleast 12:1. To get even bigger enginecapacities you could regrind the A15 crank or use the E16 crank to get a bigger stroke but that gives higher pistonspeed and thatīs a big problem. With 82mm stroke and 8500rpm the pistonspeed is already close to the limits!?
Marcus
Posted on: 2010/11/23 19:08
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I am building a mean Datsun E10 racer , a15 turbocharged engine, aiming for 280hp....
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Re: A15 Race engine tips |
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Home away from home Joined:
2003/1/13 13:39
From Forsby Finland
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There are several fast E10 race and streetcars in Finland! This is because the E10 has been very popular in our country and has been used for racing in different classes, rallycross, historic, endurance etc. There is a lot of spare parts and race parts available for these cars, both new and used ones. Quote:
Wombat_racing wrote:
I think we should start an E10 race/fast car topic on here. I want to know more about all these E10's and there set ups.
Posted on: 2010/11/23 16:49
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I am building a mean Datsun E10 racer , a15 turbocharged engine, aiming for 280hp....
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Re: A15 Race engine tips |
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Home away from home Joined:
2003/1/13 13:39
From Forsby Finland
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Upload the movieclip on youtube so we all can see it.... Marcus Quote:
Cherryx-1 wrote:
I put little video klip you facebook group... EnJoy :)
Posted on: 2010/11/23 16:40
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I am building a mean Datsun E10 racer , a15 turbocharged engine, aiming for 280hp....
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Re: what valve sizes? |
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Home away from home Joined:
2003/1/13 13:39
From Forsby Finland
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What parts of my project are you interested in? I have done mods to every part of the car and I am never satisfied so the project goes on! Quote:
Wombat_racing wrote:
Dastun100aturbo I need more info about your car and what you have done/ are doing to it.
Posted on: 2010/11/8 8:01
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I am building a mean Datsun E10 racer , a15 turbocharged engine, aiming for 280hp....
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Re: what valve sizes? |
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Home away from home Joined:
2003/1/13 13:39
From Forsby Finland
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This was just a test I did in my garage last night to help you guys with the valvesizes! The head is from the same engine that was cut into pieces, I have used it for machining valve cutout in the pistons. I am using 38/33 valves in my turbo engine but I also hava two N/A projectengines in my garage with different setups. (my garage is stuffed with A-engine parts) Marcus Quote:
D wrote:
D1000
what are you exhaust valves 33mm?
Id like 38mm in with 35 exhaust for boost.
Marcus
Why is that head another victim of your surgery? :))
If I had my time again Id be a boiler maker tig welder
by trade and weld up material on that head to get the
valves parallel to the pistons and the ports will then
be very highly angled due to this.
Posted on: 2010/11/8 7:33
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I am building a mean Datsun E10 racer , a15 turbocharged engine, aiming for 280hp....
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Re: what valve sizes? |
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Home away from home Joined:
2003/1/13 13:39
From Forsby Finland
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This is 42mm intake and 33mm exhaust valves in a bored 78mm A14, itīs close but it works!  
Posted on: 2010/11/7 20:45
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I am building a mean Datsun E10 racer , a15 turbocharged engine, aiming for 280hp....
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Re: A14/15 turbo~280hp, bore question |
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Home away from home Joined:
2003/1/13 13:39
From Forsby Finland
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Here is a vid of one of my dynosessions as requested, hope you enjoy! http://www.youtube.com/watch?v=49GELRO_yd8Quote:
D wrote:
I agree full bearing brace would be needed with arp bolts
If you go wet sleeve and want to remain 79mm there are renault 16/17/18
cars with the 807,843 and 841 engine that have the 78 and 79mm sleeves.
These sleeves are often boosted after 300+ thousand kms with a re-hone
or 1mm overbore. You should be able to get them for cheap.
I used to be able to get these engines easily for 80aud but havent seen
the mentioned rens for about a year now at wrecking yards.
Would love a vid of the beast with the rb5, Just love the thought of
something so responsive to frighten all those big capacity sheep :)
The pic below shows that the offset will have to go towards the
one side of the block also to avoid the camshaft area
essentially giving a tdc at perhaps 2-5 degrees much like on
modern engines where combustion occurs on the downstroke
past crankshaft centre.
Posted on: 2010/11/6 13:46
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