hey, i have a 3970010 72 350 motor, and im looking on summit for some new pulley and such, but they dont come with the power steering pulley.

when i look it up it asks me:

Power Steering Pulley Attachment:
Keyway, Press Fit

Power Steering Pump Style:
Saginaw, Saginaw Metric, Remote Mount

how do i know which one it is? i will post pics if need be, but it is still attached to the motor

i chose the whole set which is mch-6090, has alternator, 2 groove water pump, 3 groove crank, 3 bolt crank, which i have

 

Are you using the original pump for your car, or a pump that came with your engine?

 

the whole motor is from a 72, nothing woulda came off the 86 trans am i dont think.

here is a picture, not a real good one, i want to get rid of all that crap, its ugly

and thats a long water pump right?

here:

http://img267.imageshack.us/img267/3...arts1003oa.jpg

 

Those look like the stock 86 accessories.

 

Looks very similar to mine, except i have dual Vbelts no serpentine. My setup is the original from the '74 350 motor.

 

i have the 2 belts, one is vbelt, and the other one is that serpentine i guess?

can you have both?

so how do i know what pulleys to get?, can you bolt 86 accesories onto a 72 motor?

 

Yes the ribbed belt is the serpentine. And yes you can and do have both. The serpentine leads me to believe thats the 86 setup.

AFAIK the accesories will bolt on any genI SBC

 

oh they are the same, if its all the same id rather just have v-belt

when i looked online i just ordered a new water pump, and new pulleys.

but for pulleys, i put in vbelt, it dont look like mine at all.

do you ahve a set of pulleys for your motor from march?

i was looking at the 6090 set, because my crank pulley has 3 bolts, and 3 grooves, but the water pump has 3 grooves to, but thats from 86

on the crank pulley i only use 2, not 3, and the water pump i only use 2 not 3, like you see in the picture

if i order a 2 groove crank pulley, 2 groove water pump, get a 1 groove power steering, and then theres the 1 groove alternator, will all this work?

i just need to figure out what power steering pulley i need!

also what about the power steering pump itself, if i order a pulley from my 72, will it fit this power steering pump? or do i need a new pump?

 

That's the "keyway, press fit" pump. The metric pump has a remote reservoir.

 

no there are 2 separate options, keyway or pressfit

now also, my alternator wire is 1 wire that plugs in, so i got a chrome alternator 100 amp for my car, but the pulleys are different, the one on there now is the serpentine, the new one is vbelt, in my post above, can i do what i said about the pulleys

2 groove

 

Yes, the way to see if it's keyed or not is to look for the keyway in the shaft.

I don't see a nut holding the pulley on, so I'd say it's press-fit.

 

i just dont wanna buy pulleys and have the wrong ones

can i run an electric pump, its for street, and i know i have to cut off heat so i wont have any in the car, buts its cheaper, and simpler

 

Call March then, and ask them to tell you how to figure out exactly what you need.

 

ok thanks

 

A 70s-era power steering pump is almost certainly a press-fit pulley. I don't recall ever seeing one with a keyway.

You SHOULD be able to re-use the stock PS pulley off of your original 86 power steering pump on your older one. I know they interchange at least down to 1978 (the oldest PS pump I have attemped to put one on).

BTW- you power steering pulley (in the picture) is way outta whack. The reason is that you aren't using the factory stud up on the top mounting location (the one that goes to the front of the cylinder head). In a factory setup they use a 2-sided stud there and a lock washer. The hex head in the middle of the stud and the thickness of the lock washer behind it spaces the top mounting point of the PS bracket away from the head about 1/4". This spacing will bring your PS pulley back into "plane" with the rest of the pulleys. You could also use a stack of washers behind there on the cheap to do the same thing but it's a lot more of a PITA to get everything on and lined up than if you use the proper stud + lock washer arrangement that the factory uses.

 

well the reason im asking, is im getting all new brackets and pulleys for here, i just finished the rest of the motor and its all polished/chrome/or red, and that doesnt not fit well, the front.

 

Press fit..

That little groove on the front of the pulley is used with a power steering pump pulley puller to remove the pressed on pulley..

We have those at Autozone for 40bucks on the loan a tool... I have people bring in pumps all the time and buy them and I change the pulleys out.. Takes me about 10 minutes to pull the old one and press a new one on. The pulley puller comes with a tool to press the new one on using nothing but common hand tools.

Just make sure you note how deep the pulley is on the shaft of the old one and then put it on the new one that same depth.. usually the shaft is flush with the "nipple" on the pulley.

WesDog

 

I had a 71 power steering pump and pulley and it was the screw on with a nut and had a keyway, not a press on type.

 

ill take it off and take a picture, thanks

off the topic a little but im looking for a water pump, what is pilot diameter (in)? is that an inlet for my heater hose? it says 5/8

 

That's the diameter of the pilot shaft, and 5/8" should be the correct size for your car.

 

well im just looking at water pumps on summit, but i cant see a place to put my hose coming from the firewall

like

WND-8240 its pretty cheap, looks alright, but no inlet for a hose??

here is a picture of my setup again:

http://img132.imageshack.us/img132/4/motor0031ig.jpg

here is a picture of the power steering pulley:

http://img132.imageshack.us/img132/9283/motor0013oj.jpg

 

I'm pretty sure I have the same pump, and it will work fine. The nipple for the heater hose screws into the top of the pump (can't see it in summits pic). Be sure and get some ARP bolts (6-point) also, as the stock ones are a tight fit on this pump. I would also recommend a high flow thermostat (Mr Gasket 4364 or equivalent).

 

ok, do you think it comes with the nipple? i have a new thermostat, i believe its 160 or 195 i forget. thanks for the tip about the nuts, i was gonna buy a set of water pump bolts from there for 3.39$ or something

 

No nipple, just get a new one at the local autoparts store. You may have to drill a small hole in your thermostat to help it open due to the increased flow of the pump. PM me if you have any more questions on the pump.

 

thanks, this is a sentence in the paragraph of the description.

"The Action Plus pumps also feature a heavy-duty shaft, bearing, and seal, and all necessary bracket bosses and hose connections"

if that doesnt include one, then i will go to a parts store like you said, maybe canadian tire, only place i know ! haha.

i should get a high flow thermostat also, any tip on which size i need?

 

in the picture of my setup, the pulley has 3 grooves, but the one on the end closest to the 4 bolts on the edge i dont use. can i get away with just a 2 groove? will it still line up with all of the other pulleys

i was actually looking at mch-6091, and mch-6092 on summitracing.com, these should fit alright eh?

i got a chrome alternator, and a chrome bracket, they look like the ones on the motor now. also the weiand water pump, and these pulleys. i hope they will fit

 

hey one last question

if you look at my setup again:

http://img132.imageshack.us/img132/4/motor0031ig.jpg

the water pump has 3 grooves in it as you can see, will i have to get another 3 groove water pump, except it will be completely vbelt, or can i get a 2 groove? or will that not line up right.

i was looking at MCH-6112

im pretty sure i need the 3 groove, if i already had one. lol.

 

What are the v-belt numbers for the power steering and the ac
on this setup with out smog pump ???

 

im not sure, but here is a picture of my power steering pump, im just actually ordering the pulley now, so if you can confirm its a press on or keyfit, i dont want to order the wrong one. thanks.

EDIT: if you go to summitracing.com and type in mch-511 thats the one im thinking of buying, is my PSP style saginaw??

 

just want to make sure its press fit, and if you go to summitracing.com i was gonna get mch-511 pulley and mch-20161, would these 2 parts be fine?

 

That's definitely a press-fit style pulley in the pictures. The hex key fitting in teh middle and the lack of a nut to retain the pulley are a dead-giveaway.

Like I said... press fit pulleys seem to interchange quite easily. V-belt, factory serpentine belt, they all fit on the same shaft. I thought originally there would be SOME sort of difference between 1978 (v-belt SAE pump with 38* flare fittings) and 1987 (serpentine belt "metric" pump with double-flare + o-ring fittings)but they interchanged with no problem. I was pleasantly surprised how easy it was.

 

ok thanks, pressed fit it is.

if u dont mind could u check summitracing.com and look up this part mch-20161 its brackets, im wondering if these would be great for what im doing, thanks.

 

got a/c?
if not,this is the one i got
http://www.marchperformance.com/pg11c.html
the bottom one,saves a few bucks over the polished one,and still looks sweet!actually got mine off ebay for like $179!
Eric B

 

is there ANYWAY to tell which power steering pump BRACKET i need? i thought it was the original set with my 72 motor, so i choose the bracket that has a stud, as you can see in the pic below, but the stud in the instructions with the new bracket are beside where the power steering line screws into, not up halfway where it is. SO, can is there ANYWAY to tell for sure what kind of pump this is, so i can get the right brackets.

i purchased this bracket from summit - MCH-20161 and it says it is for the threaded stud on the back of the pump, which you can see, but its in the wrong spot, its suppose to be down by where the lines go in on the bottom of the pump you see, please shed some light.

 

can anyone help i'd like to send this back tomorrow morning