p29 pistons
i thinking of putin p29 pistons in my zc dohc anything i should know i re doing the bottom end for the hell of it maby the top
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Re: p29 pistons
the 88-91 JDM DOHC ZC has PM7 pistons which are exactly the same as the P29 pistons - the P29s are from the 92-95 JDM DOHC ZC, but they are no different than the PM7s
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Re: p29 pistons
my suggestion... dont forget to replace the head gasket! cuss youll be fine the bore and nose of the piston is identical to the pm7 just the p29 has a higher compression if im thinkin correct
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Re: p29 pistons
The Pm7 pistons and the p29 pistons have the same compression. They are the same dome and compression height.
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Re: p29 pistons
Originally Posted by jlicrx
(Post 38681107)
the 88-91 JDM DOHC ZC has PM7 pistons which are exactly the same as the P29 pistons - the P29s are from the 92-95 JDM DOHC ZC, but they are no different than the PM7s
P29's come form JDM DOHC ZC. all DOHC ZC's use the P29's. |
Re: p29 pistons
Originally Posted by apekd
(Post 38682005)
PM7's come in 88-91 D16A1 Integras
P29's come form JDM DOHC ZC. all DOHC ZC's use the P29's. http://i38.photobucket.com/albums/e1...7pistons-1.jpg |
Re: p29 pistons
wow, your right lol i just looked at mine and they are PM-7's. my bad lol
but the D16A1's in the 86-89 integra used PG-6's, and yes the 92-95 were P29's. but there is no difference in dome CC's, so the PM-7's and P29's are the same pistons. my PM-7 lol anyone wanna buy them? going 1mm over bore https://i252.photobucket.com/albums/...9/DSCF1391.jpg |
Re: p29 pistons
What about p28 pistons? what are the difference between those and the p-29's?
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Re: p29 pistons
so it would be just be a stock replacement just a bit more compression would my factory rods be able to hold to these pistons the main reason i doin it is cause i doin stg2 cams and my buddy has them brand new for me dirt cheap any recomendations this is a daily driver i want keep from shorting my engine life
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Re: p29 pistons
Originally Posted by 91b17a1DxH/b
(Post 38685282)
What about p28 pistons? what are the difference between those and the p-29's?
as for throwing them in, your wasting your time. The PM-7's that you have and the P29's are the same dome CC pistons. the only thing you could do that would be worth while while they are out would be to shot peen the rods, or get new rods...and maybe better bearings. But with stage 2 cams, you dont need to worry at all. just get a tune and youll be fine |
Re: p29 pistons
Originally Posted by apekd
(Post 38686776)
P28? thats an ECU not a pistons. P28 and P08 are ECU's while P29 is a piston. Honda didnt have a real sequence of order for the pistons. PM-7 and PG-7 are similar in design but different dome CC's and such and such.
as for throwing them in, your wasting your time. The PM-7's that you have and the P29's are the same dome CC pistons. the only thing you could do that would be worth while while they are out would be to shot peen the rods, or get new rods...and maybe better bearings. But with stage 2 cams, you dont need to worry at all. just get a tune and youll be fine look it up yourself as well jsut in case you are scetchy about hearing 2 diffrent answeres but they do exist as far as p28 pistons go keep your pm7's like everyone ahs sadi they are identical the only diffrence between pm7 and p29 is simply the piston code in the sence of what you looking for the pm7 and p29 have the same dome/compression The p28 pistons being dished at a huge -10.10 in comparission to your pm7/p29 pistons will drop your compression ratio substantly |
Re: p29 pistons
ok well then the money goes to the obd1 hondata stg2 cams 6puck and flywheel and new headers and exhaust thanks for your help guys by the way anyone used lucas in there tranny how does work is it worth it
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Re: p29 pistons
I just googled it again and FINALLY get a picture of the freakin P28 pistons. thank you for correcting me on that one. thumbs up to you
this whole thread made my mind flip lol i need to read more, or atleast remember better |
Re: p29 pistons
Originally Posted by apekd
(Post 38699060)
I just googled it again and FINALLY get a picture of the freakin P28 pistons. thank you for correcting me on that one. thumbs up to you
this whole thread made my mind flip lol i need to read more, or atleast remember better |
Re: p29 pistons
p29 and pm7 are completely different because off the way the pm7 piston are domed shaped.
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Re: p29 pistons
Originally Posted by cheeto_89ef
(Post 39955206)
p29 and pm7 are completely different because off the way the pm7 piston are domed shaped.
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Re: p29 pistons
wow this is awesome i love dohc zc threads
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Re: p29 pistons
oh wait... were can i find some dohc zc stage two cams?????
i've been looking for a while=/ |
Re: p29 pistons
ps cheeto your ****en gay!!!!!
change your myspace name! |
Re: p29 pistons
hello friends,
so dont have any advantages do change pm7 for p29 or p29 for pm7? I have a CRX 16i16v, D16Z5 from 1992, but i dont know if is obd0 or obd1 or if is pm7 or p29. Just for your information, i am study a way to make a All Motor project. Best regards, Dotz |
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