Dropping a 250 into a Bronco

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chad
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Location: Lawrence Swamp, S. Amherst, MA

Re: bronk 4.1L ('69 - '83) falcon motor, 240tq @ 1600 rpm,

Post #51 by chad » Fri Nov 13, 2015 8:11 am

Thanks 4 the post-back!
chad wrote:I see a 'fancy' Saginaw PS pump which has dual duty (hydrobost breaks/steering) I assume.
What part number or yr/make/model did you source the PS pump

Also Che**y I assume - a late '90s pump is it?
"Big thing is only make one change at a time. Change 2 or more things at a time it becomes difficult to figure which change helped or hurt" turbo2256b » 1/16/2017
Chad - '70 LUEB on '77 frame (i.e. PS, D44, trapezoidal BB 9", 4.11), 250, NV 3550 & DSII to B transplanted, "T" D20/PTO, 2" SL, 1" BL, 4 discs, 33"X15", etc. Seeking: Hydraulic gear motor for Koenig pto. chrlsful@aol.com (413) 259-1749

jimmyv65
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Re: Dropping a 250 into a Bronco

Post #52 by jimmyv65 » Fri Nov 13, 2015 8:42 am

It is Cheby. There was no trick to that one. I know a bunch of Fords had them. If you find a good used booster, any of them would work. It's just the fabrication to mount it both to the truck and to the master cyl.

There is a guy in the classic bronco's web forum that has a bunch of these for sale used. He must run a bone yard with a fleet vehicle that had these. Astrovan postal trucks? Point being, I never went for a specific year and model. I am pretty sure they were all the same booster in all the years of Astrovan. So, any 90's Astrovan will get you to the same. You could go out to classic bronco in the parts for sale forum and search for hydroboost. I am guess that guy still has them for sale.
1966 Bronco-'78 250-Meagsquirted TBI, DUI, Header, Cam, Hydroboost & Front Disc, Uncut, 1" body lift, 2.0" suspension lift

hucklburry
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Re: Dropping a 250 into a Bronco

Post #53 by hucklburry » Thu Aug 03, 2017 2:17 am

Jimmy,

I need to do something similar for my clutch linkages, I've been staring at my block (had to drill and tap my block to bolt the bracket too) trying to see a different way and I don't.

Is that arm you built that angles up to the other bolt on the block substantial enough? Any flex or anything? You went round, I don't know if its solid,or if I should plan something stronger.

And why did you do the stand-off at the upper bolt? To get it more in line or ???

Let me know. Thank you

jimmyv65
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Re: Dropping a 250 into a Bronco

Post #54 by jimmyv65 » Thu Aug 03, 2017 7:10 am

hucklburry wrote:I need to do something similar for my clutch linkages...


Here's some answers back:
-Is that arm you built that angles up to the other bolt on the block substantial enough? Any flex or anything?
Yeah, it has been great. No flex. I've got 4000 miles in and it still works well.

-You went round, I don't know if its solid,or if I should plan something stronger
Mine is solid, but some of that was because I had it laying around. I am sure you could get enough strength with a tube as well, if it was a larger tube.

--And why did you do the stand-off at the upper bolt? To get it more in line or ???
Yes, I figured it would be stronger with some of that angle take out.

I hope that helps. :beer:
1966 Bronco-'78 250-Meagsquirted TBI, DUI, Header, Cam, Hydroboost & Front Disc, Uncut, 1" body lift, 2.0" suspension lift

hucklburry
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Re: Dropping a 250 into a Bronco

Post #55 by hucklburry » Thu Aug 03, 2017 9:15 am

I appreciate it!

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