FORGING MY PULSAR ? SR20DET

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Samastill

New Member
Not sure if this is the right place to post (please move if so) I have decided to go down the route of forging my Pulsars engine, sourcing the parts myself and then letting the garage do the rest.
Ideally I'd like to have the engine capable of running 400BHP+ but with my current setup it will be running around 300-350bhp, so being able to run that safely at the very least would be great.
Now this is where I need help...
I've currently been browsing and found the following parts, would anyone be able to advise me on the quality of the brand's I've listed, if they would be capable of running the power I'd like, if not then better alternatives and/or if I've missed anything major out:
*Mahle pistons
*ACL main rod thrust bearing
*ARP rod/Conrod bolt + nut kit
*Top end , head gasket (suggestions?)
*Crankshaft and timing kit+bearings(again suggestions?)
*Tomei cams (personal extra)

My knowledge is very limited and I'm still learning but there isn't any better place to ask than here, thanks.
 
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MarkTurbo

Well-Known Member
Mahle pistons are good, are they gti-r specific? Some forged pistons are for the sr20 det engine fitted to other cars so don't always have the cut outs for the oil squirters on our engines so might be worth checking that.

Use Acl bearings for the thrust, mains, and big ends. Arp rod bolts are good but don't get tempted to use the headstud kit as they don't work, standard Nissan head bolts are all you'll need even on a high power car.

Cosworth or Hks for the headgasket. The only other things I would do is fit a new waterpump, check the oil pump gears for wear and replace the valve stem oil seals.
 
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Samastill

New Member
MarkTurbo said:
Mahle pistons are good, are they gti-r specific? Some forged pistons are for the sr20 det engine fitted to other cars so don't always have the cut outs for the oil squirters on our engines so might be worth checking that.

Use Acl bearings for the thrust, mains, and big ends. Arp rod bolts are good but don't get tempted to use the headstud kit as they don't work, standard Nissan head bolts are all you'll need even on a high power car.

Cosworth or Hks for the headgasket. The only other things I would do is fit a new waterpump, check the oil pump gears for wear and replace the valve stem oil seals.
Click to expand...
Thanks for the advice, I'll steer clear of the ARP headstud kit then.
The Mahle pistons I've found specifically state they are for Nissan Pulsar, does this look about right:
  • 86.50mm Bore
  • 3.386 Stroke
 
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