Assembling Bare PI Heads

96GTNATE · October 12th, 2010, 01:40 PM

I Got a set of bare PI heads. I have all the valves springs and valve guides. I was curious if there was a good write up on assempling PI heads. Or is that something ill want to have a shop do?

All the parts are brand new however i plan to put better springs in them as ill be running a decent sized cam.

All this will be going on my 97 Long Block. Notched pistons to go along for clearance.

Any suggestions? Thanks!!

rotten · October 12th, 2010, 06:53 PM

I would take it to a shop ,
My machine shop charges very little to asemble heads , I think with 2valve head I can get 5 angle valve job and assembled for 150ish .

SWEET2KSTANG · October 12th, 2010, 09:21 PM

not hard, i can do a lil write up w/ pics tomorrow for ya if need.

96GTNATE · October 13th, 2010, 02:43 PM

Originally Posted by SWEET2KSTANG

not hard, i can do a lil write up w/ pics tomorrow for ya if need.

Oh that would be amazing! Yeah if you could put something together i would greatly apreciate it

SWEET2KSTANG · October 13th, 2010, 04:53 PM

ok, give me a little bit and i will go get something together for ya.

96GTNATE · October 13th, 2010, 06:38 PM

Originally Posted by SWEET2KSTANG

ok, give me a little bit and i will go get something together for ya.

Ok cool. Thanks man i apreciate the help.

SWEET2KSTANG · October 14th, 2010, 01:41 AM

here ya go. please excuse the mess, i did this on my porting table with a head that is waiting for some modifications. i just did the one valve, but you should get the idea.

tools needed:
sping compressor/otc tool (what i used here), small screw driver with a magnetic tip (comes in handy), assembly grease/oil, and hammer (not pictured).

clean all your parts and have set out ready to install. put little bit of grease on the valve stem and tip (some people just use motor oil, but grease is ideal).

slide the valve thru the guide, and install valve seal. give small push to seat the seal.

take valve spring, put in place (stock springs have a top and a bottom. they will only go on one way), put spring retainer on top of it, have locks within reach and compress the spring. if you are doing this on a table with a small spring compressor or the otc tool like i used, i reccommend putting a rag in the cumbustion chamber of the valve you are working on. if using a pneumatic compressor or equivilent, then it of course it doesnt matter. you might have to use small screw driver to help persuade keepers into place, magnetic tip is to help retrieve keepers if you drop them.

SWEET2KSTANG · October 14th, 2010, 01:47 AM

now take the hammer and give the tip of valve couple light taps. this ensures the locks are installed correctly and secure. now you install lash adjuster (be sure cam lobe is up if cam is installed), apply small amount of grease on tip of lash adjuster and vavle stem, and i reccommend apply light coat of oil on cam lobe and roller of the follower as well.

if you put rag in combustin chamber, you will need to pull it out as for the next step requires the valve to open some. be sure cam lobe is up, compress the spring (might have to push down on valve stem for valve to go down at same time), and slide rocker arm in. once rocker arm is in, you are done

you can do more than just one valve at a time, i usually do both/all the vlaves for that cylinder at same time when i doing it on table. i took that one valve assembly apart to do this for ya, hope it helps. feel free to ask questions if something you dont understand.

96GTNATE · October 14th, 2010, 03:11 PM

Doesnt seem to difficult. Great write up. Thank you very much

97S281 · October 14th, 2010, 03:18 PM

You should make this a sticky in the " bible " up top.

SWEET2KSTANG · October 14th, 2010, 03:30 PM

Originally Posted by 96GTNATE

Doesnt seem to difficult. Great write up. Thank you very much

your welcome

Originally Posted by 97S281

You should make this a sticky in the " bible " up top.

i can with that write up if thats the one you want. i will be doing mine soon after i get done with the flow bench and any additional porting i might have to do. i can do a nice set of heads instead of the dirty one i have there.

97S281 · October 14th, 2010, 03:47 PM

Totally up to you man. It's a great walk through either way.

Reps for the write up.

330CubeGt · October 14th, 2010, 08:13 PM

Nice and simple how to, nice work...

SWEET2KSTANG · October 15th, 2010, 03:20 AM

ok, stickied

08grabberv6 · December 13th, 2010, 03:57 PM

Ok man i tryed to REP you again on this one too but it told me i had to spread it around...Nice write-up..guess your like a forum, sn95, super-genious or something
Cam

BREDMAN · February 3rd, 2011, 12:44 AM

thanks for the write up

KV007 · February 3rd, 2011, 12:52 AM

very nice write up

SWEET2KSTANG · February 3rd, 2011, 03:19 PM

Originally Posted by BREDMAN

thanks for the write up

youre welcome

Originally Posted by KV007

very nice write up

thanks

October 12th, 2010, 01:40 PM	#1
96GTNATE Jedi 1997 Mustang Cobra Join Date: Jul 2010 Location: CLovis CA Posts: 108 iTrader: 0 reviews	Assembling Bare PI Heads I Got a set of bare PI heads. I have all the valves springs and valve guides. I was curious if there was a good write up on assempling PI heads. Or is that something ill want to have a shop do? All the parts are brand new however i plan to put better springs in them as ill be running a decent sized cam. All this will be going on my 97 Long Block. Notched pistons to go along for clearance. Any suggestions? Thanks!! __________________ 03 GT --- Sold 96 GT --- Sold 97 Cobra --- Current Mods In Garage

October 12th, 2010, 06:53 PM	#2
rotten Regular SA XD40 Join Date: May 2010 Location: Strinestown/York Haven , Pa Posts: 313 iTrader: 0 reviews	I would take it to a shop , My machine shop charges very little to asemble heads , I think with 2valve head I can get 5 angle valve job and assembled for 150ish . __________________ 09 crf450x super motard. 06 f250 powerstroke 04 cbr1000rr 03 rsx-s

October 12th, 2010, 09:21 PM	#3
SWEET2KSTANG mm's nitrous mod 2000 mustang gt 11.79@115.83 (old set up) Join Date: Oct 2006 Location: N.W. AR Posts: 12,540 iTrader: 8 reviews	not hard, i can do a lil write up w/ pics tomorrow for ya if need. __________________ project warhorse under construction wagon burner under construction as well (04 lightning) being built by MP2 Performance

October 13th, 2010, 04:53 PM	#5
SWEET2KSTANG mm's nitrous mod 2000 mustang gt 11.79@115.83 (old set up) Join Date: Oct 2006 Location: N.W. AR Posts: 12,540 iTrader: 8 reviews	ok, give me a little bit and i will go get something together for ya. __________________ project warhorse under construction wagon burner under construction as well (04 lightning) being built by MP2 Performance

October 14th, 2010, 01:41 AM	#7
SWEET2KSTANG mm's nitrous mod 2000 mustang gt 11.79@115.83 (old set up) Join Date: Oct 2006 Location: N.W. AR Posts: 12,540 iTrader: 8 reviews	here ya go. please excuse the mess, i did this on my porting table with a head that is waiting for some modifications. i just did the one valve, but you should get the idea. tools needed: sping compressor/otc tool (what i used here), small screw driver with a magnetic tip (comes in handy), assembly grease/oil, and hammer (not pictured). clean all your parts and have set out ready to install. put little bit of grease on the valve stem and tip (some people just use motor oil, but grease is ideal). slide the valve thru the guide, and install valve seal. give small push to seat the seal. take valve spring, put in place (stock springs have a top and a bottom. they will only go on one way), put spring retainer on top of it, have locks within reach and compress the spring. if you are doing this on a table with a small spring compressor or the otc tool like i used, i reccommend putting a rag in the cumbustion chamber of the valve you are working on. if using a pneumatic compressor or equivilent, then it of course it doesnt matter. you might have to use small screw driver to help persuade keepers into place, magnetic tip is to help retrieve keepers if you drop them. __________________ project warhorse under construction wagon burner under construction as well (04 lightning) being built by MP2 Performance Last edited by SWEET2KSTANG; October 14th, 2010 at 01:51 AM.

October 14th, 2010, 01:47 AM	#8
SWEET2KSTANG mm's nitrous mod 2000 mustang gt 11.79@115.83 (old set up) Join Date: Oct 2006 Location: N.W. AR Posts: 12,540 iTrader: 8 reviews	now take the hammer and give the tip of valve couple light taps. this ensures the locks are installed correctly and secure. now you install lash adjuster (be sure cam lobe is up if cam is installed), apply small amount of grease on tip of lash adjuster and vavle stem, and i reccommend apply light coat of oil on cam lobe and roller of the follower as well. if you put rag in combustin chamber, you will need to pull it out as for the next step requires the valve to open some. be sure cam lobe is up, compress the spring (might have to push down on valve stem for valve to go down at same time), and slide rocker arm in. once rocker arm is in, you are done you can do more than just one valve at a time, i usually do both/all the vlaves for that cylinder at same time when i doing it on table. i took that one valve assembly apart to do this for ya, hope it helps. feel free to ask questions if something you dont understand. __________________ project warhorse under construction wagon burner under construction as well (04 lightning) being built by MP2 Performance

October 14th, 2010, 03:11 PM	#9
96GTNATE Jedi 1997 Mustang Cobra Join Date: Jul 2010 Location: CLovis CA Posts: 108 iTrader: 0 reviews	Doesnt seem to difficult. Great write up. Thank you very much __________________ 03 GT --- Sold 96 GT --- Sold 97 Cobra --- Current Mods In Garage

October 14th, 2010, 03:18 PM	#10
97S281 Rollin' 18/ pushin' 2 1997 Saleen S281 Join Date: Feb 2007 Location: The lost highway Posts: 6,673 iTrader: 13 reviews	You should make this a sticky in the " bible " up top. __________________ MODS IN GARAGE NCMM ORIGINAL BLOWN 96-98 CREW MEMBER # 1

October 14th, 2010, 03:47 PM	#12
97S281 Rollin' 18/ pushin' 2 1997 Saleen S281 Join Date: Feb 2007 Location: The lost highway Posts: 6,673 iTrader: 13 reviews	Totally up to you man. It's a great walk through either way. Reps for the write up. __________________ MODS IN GARAGE NCMM ORIGINAL BLOWN 96-98 CREW MEMBER # 1

October 14th, 2010, 08:13 PM	#13
330CubeGt MM Fanatic 1997 SVT COBRA 1996 Mustang V6 Join Date: Dec 2007 Location: Orlando Posts: 4,880 iTrader: 14 reviews	Nice and simple how to, nice work... __________________ -04 IRS - Magnaflow - Wheel Replica - Autometer - FTBR - FRPP - SCT - Brembo - PRO 5.0 - BOI-

October 15th, 2010, 03:20 AM	#14
SWEET2KSTANG mm's nitrous mod 2000 mustang gt 11.79@115.83 (old set up) Join Date: Oct 2006 Location: N.W. AR Posts: 12,540 iTrader: 8 reviews	ok, stickied __________________ project warhorse under construction wagon burner under construction as well (04 lightning) being built by MP2 Performance

December 13th, 2010, 03:57 PM	#15
08grabberv6 Regular 2004 Mustang GT Join Date: Apr 2008 Location: Alabama, Fort Bliss, Qatar Posts: 144 iTrader: 0 reviews	Ok man i tryed to REP you again on this one too but it told me i had to spread it around...Nice write-up..guess your like a forum, sn95, super-genious or something Cam __________________ New 2008 Mustang V-6-$18700(SOLD) Upgrades, Parts, Labor- $12300 Whippin a 8cyl ASS with a 6 Cyl- PRICELE$$ 2004 MUSTANG GT 40TH ANNIVERSARY-$10,300 UPGRADES, PARTS, LABOR- $0 WTB: JLT CAI, MGW STS, SHORTIES, SUSPENSION!!!!

February 3rd, 2011, 12:44 AM	#16
BREDMAN Regular 1996 mustang gt auto Join Date: May 2010 Location: ada, mn Posts: 112 iTrader: 0 reviews	thanks for the write up

February 3rd, 2011, 12:52 AM	#17
KV007 Hardcore Enthusiast 2003 Mustang Gt Slow Join Date: Jul 2009 Location: redding,california Posts: 2,532 Blog Entries: 2 iTrader: 2 reviews	very nice write up __________________ 409rwhp at 4500 rpms.Vortech V1 Intercooled,kurgan motorsports powerpipe, 3.12 pulley, all Mac Exhaust,Sct Tuner,Bolt Ons,Cobra Brakes,MM cc plates,Vis 2000 cobra r hood,MGW shifter,Strange 31 Spline axles,Eaton Possi

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