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Anyone remember the TRW L2380P advertised compression ratio? #2290300 04/18/17 10:34 PM 04/18/17 10:34 PM
Joined: Jul 2007 Posts: 11,836 Florida M mopar346 OP Let me tell ya about fat chicks!
mopar346 OP Let me tell ya about fat chicks! M Joined: Jul 2007 Posts: 11,836 Florida	I am looking for a good piston for a 360 to put it in the 9-9.5:1 compression ratio and ran across a set of TRW L2380Ps and was just wondering what the advertised ratio was. I know there are many factors involved in figuring the exact ratio but since it is not critical that is be exact I just want enough compression to be effective and have no trouble with pump gas. I have a set of uncut J heads with 1.88s and the deck is stock height. Thanks in advance, Kevin Careful, your character's showing!

Re: Anyone remember the TRW L2380P advertised compression ratio? [Re: mopar346] #2290544 04/19/17 01:34 PM 04/19/17 01:34 PM
Joined: Sep 2010 Posts: 170 renton , washington P perfmachst member
perfmachst member P Joined: Sep 2010 Posts: 170 renton , washington	the number 2380 is for AMC 401 engine. 2386 is for 360 mopar. CR, frm 9.23 to 8.59 depending on chamber volume. it is a flat top piston.

Re: Anyone remember the TRW L2380P advertised compression ratio? [Re: mopar346] #2290775 04/19/17 11:44 PM 04/19/17 11:44 PM
Joined: Jul 2007 Posts: 11,836 Florida M mopar346 OP Let me tell ya about fat chicks!
mopar346 OP Let me tell ya about fat chicks! M Joined: Jul 2007 Posts: 11,836 Florida	Thank you. Careful, your character's showing!

Re: Anyone remember the TRW L2380P advertised compression ratio? [Re: mopar346] #2290795 04/20/17 12:35 AM 04/20/17 12:35 AM
Joined: Jan 2003 Posts: 9,826 las vegas 70AARcuda master
70AARcuda master Joined: Jan 2003 Posts: 9,826 las vegas	http://www.ebay.com/itm/360-Chrysler-Mop...526.m2548.l4275 Use trw 2380 piston in a mopar 360 back in the 80s... Tony 70 AARCuda Vitamin C 71 Dart Swinger 360 10.318 @ 128.22(10-04-14 Bakersfield) 71 Demon 360 10.666 @122.41 (01-29-17 @ Las Vegas) 71 Duster 408 (10.29 @ 127.86 3/16/19 Las Vegas)

Re: Anyone remember the TRW L2380P advertised compression ratio? [Re: mopar346] #2290867 04/20/17 08:23 AM 04/20/17 08:23 AM
Joined: Jul 2007 Posts: 11,836 Florida M mopar346 OP Let me tell ya about fat chicks!
mopar346 OP Let me tell ya about fat chicks! M Joined: Jul 2007 Posts: 11,836 Florida	That is what prompted the question but after looking at them on the zoom I see a few things I don't like not to mention that he list them as forged and I thought all their forged pistons ended with an F not a P. Careful, your character's showing!

Re: Anyone remember the TRW L2380P advertised compression ratio? [Re: mopar346] #2291017 04/20/17 02:01 PM 04/20/17 02:01 PM
Joined: Jan 2003 Posts: 16,376 D dogdays I Live Here
dogdays I Live Here D Joined: Jan 2003 Posts: 16,376	They are forged. L2386P R. Last edited by dogdays; 04/20/17 02:06 PM.

Re: Anyone remember the TRW L2380P advertised compression ratio? [Re: mopar346] #2291076 04/20/17 04:28 PM 04/20/17 04:28 PM
Joined: Jun 2014 Posts: 5,183 P Porter67 master
Porter67 master P Joined: Jun 2014 Posts: 5,183	If this has been balanced it might not be a bad deal for someone. http://www.ebay.com/itm/Chrysler-360-Rotating-Assembly-/162443760128?hash=item25d2671200:g:GdAAAOSwWxNY1YNv&vxp=mtr

Re: Anyone remember the TRW L2380P advertised compression ratio? [Re: mopar346] #2291250 04/20/17 09:42 PM 04/20/17 09:42 PM
Joined: Jul 2007 Posts: 11,836 Florida M mopar346 OP Let me tell ya about fat chicks!
mopar346 OP Let me tell ya about fat chicks! M Joined: Jul 2007 Posts: 11,836 Florida	www.ebay.com/itm/Chrysler-360-Rotating-Assembly-/162443760128 Careful, your character's showing!

Re: Anyone remember the TRW L2380P advertised compression ratio? [Re: dogdays] #2291253 04/20/17 09:45 PM 04/20/17 09:45 PM
Joined: Jul 2007 Posts: 11,836 Florida M mopar346 OP Let me tell ya about fat chicks!
mopar346 OP Let me tell ya about fat chicks! M Joined: Jul 2007 Posts: 11,836 Florida	Originally Posted By dogdays They are forged. L2386P R. Looking at the pictures, pretty sure it's 2380. Might still be forged though. Careful, your character's showing!

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