d16a1 pistons

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Old Mar 6, 2003 | 06:07 AM
  #1  
GummiBeer's Avatar
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Default d16a1 pistons

Hey folks!!!
i have a set of pistons out of an 88 integra D16A1, and i'm putting them in my D16a6 civic si...i have new connecting rods for them, but i was wondering what kind of compression gains are they going to give me??? i am going to put a cam with it and the port and polish on the head is done..

Any info would be great
Thanks
Mike
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Old Mar 6, 2003 | 08:05 AM
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Default Re: d16a1 pistons (GummiBeer)

i've read its somewhere in the 11:1 range...
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Old Mar 6, 2003 | 09:12 AM
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Default Re: d16a1 pistons (GummiBeer)

10.78:1 - p29 pistons, d16a6 head gasket, no mill on head
11.08:1 - p29 pistons, d16y8 head gasket, no mill
11.69:1 - p29 pistons, d16y8 head gasket, milled 0.020"

are you using the rods from the a1 or the a6? or are they the same? let us know how they work...ie. is there any piston to valve contact.
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Old Mar 6, 2003 | 09:23 AM
  #4  
metric's Avatar
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Default Re: d16a1 pistons (fastcrxsi90)

I'm putting one together at the moment. I will be claying soon for clearence.
I'll kep you posted.
(z6 block, y8 head, no milling)
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Old Mar 6, 2003 | 12:24 PM
  #5  
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Default Re: d16a1 pistons (fastcrxsi90)

10.78:1 - p29 pistons, d16a6 head gasket, no mill on head
11.08:1 - p29 pistons, d16y8 head gasket, no mill
11.69:1 - p29 pistons, d16y8 head gasket, milled 0.020"

are you using the rods from the a1 or the a6? or are they the same? let us know how they work...ie. is there any piston to valve contact.
the d16a1 pistons are pg7 not p29...
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Old Mar 6, 2003 | 12:28 PM
  #6  
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Default Re: d16a1 pistons (breaka_1_9)

the d16a1 pistons are pg7 not p29...
maybe im wrong...but:

the 86-89 ecu is a pg7

86-87 USDM Integra - D16A1 - piston = PG6B
88-89 USDM Integra - D16A1 - piston = P29
88-91 JDM Civic Si - ZC - piston = PM7
88-91 USDM CRX Si - D16A6 - piston = PM6
92-95 Civic Ex/Lx/Si - D16Z6 - piston = P28
96-00 Civic Ex/Lx - D16Y8 - piston = P2P
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Old Mar 6, 2003 | 12:29 PM
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altoid's Avatar
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Default Re: d16a1 pistons (breaka_1_9)

nah they're p29 and pg7 and pm7 and according to c-speed the compression is around 11.08:1 with a stock a6
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Old Mar 6, 2003 | 12:37 PM
  #8  
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Default Re: d16a1 pistons (fastcrxsi90)

the 86-89 ecu is a pg7

86-87 USDM Integra - D16A1 - piston = PG6B
88-89 USDM Integra - D16A1 - piston = P29
88-91 JDM Civic Si - ZC - piston = PM7
88-91 USDM CRX Si - D16A6 - piston = PM6
92-95 Civic Ex/Lx/Si - D16Z6 - piston = P28
96-00 Civic Ex/Lx - D16Y8 - piston = P2P
yeah my bad, i was thinking about the ecu. doh!

here is a thread by sonny comparing the various civic/crx pistons
https://honda-tech.com/zerothread?id=186192
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Old Mar 6, 2003 | 01:54 PM
  #9  
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Default Re: d16a1 pistons (breaka_1_9)

i have p29 pistons in my d16a6 and they work great! I even have the head milled.
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Old Mar 6, 2003 | 02:21 PM
  #10  
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Default Re: d16a1 pistons (RedRacerCivic)

i have p29 pistons in my d16a6 and they work great! I even have the head milled.
how much did you have the head milled??


[Modified by fastcrxsi90, 6:23 PM 3/6/2003]
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Old Mar 7, 2003 | 12:36 AM
  #11  
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Default Re: d16a1 pistons (fastcrxsi90)

i got a set of the P29 STD pistons for $120 a set...anyone interested..?
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Old Mar 7, 2003 | 12:55 AM
  #12  
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Default Re: d16a1 pistons (camp1320.com)

tom you got those in oversized?
stan
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Old Mar 7, 2003 | 09:07 AM
  #13  
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Default Re: d16a1 pistons (90crxsi)

I had 88 Teg pistons in my Z6 before the oil pump went to ****. I used the Teg rods with Z6 rings and bearings. ran kickass for a 4DR. ET 15.0 on 16's with 40's and full interior, DX trans, stock clutch.
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Old Mar 7, 2003 | 10:19 AM
  #14  
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Default Re: d16a1 pistons (lxvtec)

has anyone dynoed their car with this set up?
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Old Mar 8, 2003 | 05:56 PM
  #15  
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Default Re: d16a1 pistons (G2-Rex)

power output?
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Old Mar 8, 2003 | 11:40 PM
  #16  
JaiDM's Avatar
 
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Default Re: d16a1 pistons (G2-Rex)

where can i get those pistons, and how much?
was looking into doing this? can i do it its with a 0.030 milled A6 head?
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Old Mar 9, 2003 | 01:01 AM
  #17  
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Default Re: d16a1 pistons (JaiDM)

Go to Acura for the pistons
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Old Mar 9, 2003 | 09:30 PM
  #18  
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Default Re: d16a1 pistons (mr. skelly)

at a dealer ship? any ideas on a price? any other places? and would the dealship be cheaper then buying some kind of high comp after market pistons?
than you guys
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