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the firewall for a/c and non a/c cars have different openings.

here is the proper 70-up wp and crank pulleys,, have to have the matched set

i prefer a clutch fan

they were all the rage a few years ago..

this the fan? MOPAR 5 BLADE 18" RADIATOR FAN 4140063 NOS | eBay

or get a good clutch and use the GM SS fan... https://www.amazon.com/dp/B01M66A7WE/?tag=fabo03-20 thinkk this is th eclutch i'm using.. not sure if it will work with an aftermarket rad unless its close to stock position.. Hayden Fan Clutches 2947

mopar vicious set up if you can find one.

from the pics it seems to be the correct pulley set up. what radiator is in th car and what kind of shape is it in? that flex fan isn't doing you any favors either.

i think the trans cooler should be in front of the rad with 1" space minimum between it and the rad.. then the fan should be closer to the rad.

ok thanks.. i run a 180 in the dart. i have the flow kooler pump sitting here waiting to go on and figured i'd grab a stat too.

@yellow rose which 180 stat fits out mopars? few differen't models.. Stewart Components

I only have have a 74 manual handy right now but here is the page for that.

i think the earlier like 70-72 had a 22" like a 318 with a/c. 73 is maybe where they went 26".

see if this works

which service manual and what page is that in? i may have a digital version of it for ya to post

hell these pulleys i posted are the only ones i've even seen on 70-up a non a/c small block. are there others that i don't know about for a non a/c set up? or did they change it with more veins on the impeller?

those pulleys pop up for sale here quite often so keep an eye out for them

i know a few people that run this pump and they swear by it. FlowKooler Hi-Flow Mechanical Water Pumps 1700 .

here is the proper alt bracket.

here is what it looks like on the engine..

ok so 70-up. heres how it should be.. crank is 2 pulley if you have power steering. rear pulley goes crank, water pump and alt. front pulley power steering only. thats how it was set up from the factory. using a/c pulleys just causes a clusterfuck situation. here are the pulleys...

what year car are we talking about. water pump from a 69-down or 70-up. don't just run what ya have if it is not correct. any pics of what you have?

so factory was under driven 5% ?

the top picture is the same pulley.. its a factory 70-up small block with power steering and no a/c. the water pump groove is 6 9/16" the lower picture is the water pump pulley that matches that crank pulley and measures 6 7/8. so whats the ratio with a 6 9/16 crank pulley and a 6 7/8...

here is the measurements for a 70-up pulley set up. 6 9/16 on the crank and 6 7/8 on the water pump.

so are they under drive pulleys?

timing? air fuel ratio?

well there ya go. about ends that. :)

how about pictures

whats the part numbers on those fans?