HT413
Semi Pro Bowler
I gotta see more of this car.
Looks Like I'm Stuck With a Motorhome Block
- Thread starter Bruzilla
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I gotta see more of this car.
dsd1967
Well-Known Member
Nothing wrong with a MH block. A lot of times they are low miles and not too abused. Mine came from a 1978 class C MH with the short tranny/e-brake, and only had 278 miles on the motor. Now it's a 512 stroker with 647 HP and 677 TQ. I've heard that these are usually good motors because they were less likely to have as much core shift as the early blocks.
Burns69RT
Well-Known Member
Gotta make that low compression into lemonade. God that is awesome, please more pics and also pics of the car.
dieseldazzle
Well-Known Member
Looks like FEETS ride also. Tell us more. I hear 800 ft lbs of torque out of stock longblock with cam, valve springs and twins.
dieseldazzle
Well-Known Member
Here you go Zilla. Take that known good running motorhome 440 put a set of headers any aluminum intake, prefer low rise single plane if hood clearance issue and add these:
http://www.summitracing.com/parts/cca-k21-222-4
https://www.dynotunenitrous.com/store/scripts/prodView.asp?idproduct=192
Thing will amaze you.
http://www.summitracing.com/parts/cca-k21-222-4
https://www.dynotunenitrous.com/store/scripts/prodView.asp?idproduct=192
Thing will amaze you.
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Man, haven't talked to Feets in a long time! He stopped by the house when he was in town with his Dodge diesel and that thing was boosted up pretty good too. Last time I saw his car was at the Mopar show and race and that show hasn't been in town in years.
dieseldazzle
Well-Known Member
Man, haven't talked to Feets in a long time! He stopped by the house when he was in town with his Dodge diesel and that thing was boosted up pretty good too. Last time I saw his car was at the Mopar show and race and that show hasn't been in town in years.
If Im not mistaken his 65 plymouth started out life as a stock long block 78 452 headed motorhome job with small twins and he kept twisting input shafts at low boost on that in his a833...
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Stock motorhome torque converters are often 12" units that stall quite low. I am going to use one in my 75 440 4wd Power Wagon when I convert it from the 4 speed to the 727. I want it to start moving with just a tip of the gas.
1wild&crazyguy
Well-Known Member
They are also identifiable by the peanut looking water passages on the deck, 'larger coolant passages'.
Bruzilla
Well-Known Member
Also going out to look at a 74 Imperial wagon today it it doesn't rain. Brakes went out on it three years ago and owner parked it then died. Friend of his inherited it and is looking to get rid of it. Has a 8.75 rear, but those things are so wide they aren't good for anything else. Guy says the car is rusted out, but so what.
dieseldazzle
Well-Known Member
They didnt make an imperial wagon.
Crawl under it and look it may have a 8 3/4 in it and could possibly a sure grip unit.
Let me have his name and number if you pass on it.
Dan
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It might be a Town and Country....and the 8 3/4 was pretty much discontinued by then except for being used in the E body cars but they did show up here and there until supply dried up.
dieseldazzle
Well-Known Member
Homstead
Well-Known Member
I'm stuck with one of those motor home blocks too! Runs great!
Bruzilla
Well-Known Member
He claims it's an 8.75, so who knows. I was only going to be interested in the center if it's a Sure Grip as the assembly is way too wide for pretty much anything but a station wagon.
- - - Updated - - -
Will do. If I get it, I'll likely just be using the engine/trans. Is there anything else on there you could use?
Burns69RT
Well-Known Member
Yep I'm stuck with a 75-77 440. Looked inside the dizzy hole and the cam and lifters looked like new. Turned freely exhaust valves just look a little slugey and it needs a pressure washing with gunk then needs painted along with the proper water pump and a new intake.
YY1
Well-Known Member
C body 8 3/4 axle shafts have a lot of meat near the spline ends and can be cut and re-splined to work in almost any housing.
The housing could be cut down as well.
Lots of A body guys used to look for C body units because of this.
By contrast, B body axles taper (or are thinner) and can't be re-splined like a C body can.
The housing could be cut down as well.
Lots of A body guys used to look for C body units because of this.
By contrast, B body axles taper (or are thinner) and can't be re-splined like a C body can.
Lets Roll
Well-Known Member
I have a 4T 440 T with a whopping [SIZE=-1]230hp @ 3600 rpm. Ha ha . These old RV motors can make some good power for the cheap. But the pistons and heads have to be changed. I've seen some articles where the motors had such little use as RVs they didn't even bore them just change main bearings and pistons.[/SIZE]
HT413
Semi Pro Bowler
No one here has mentioned IQ52's work with low compression engines. Not to mention Hughes' crazy results using their Whiplash Cam (though I'd rather not start a love / hate sh$t storm on that cam).
Bruzilla
Well-Known Member
For better or worse, I wont be getting a motorhome block. I bought the stationwagon.
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