stinkwheel
Posted a lot
Doctor Of Gonzo Journalism - One of gods own proptypes, never even considered for mass production.
Posts: 2,280
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One for all the yank stuff gurus out there.....
If i get a TH400 from a 70's Big block caddy, whats the bolt pattern on there? Is it BOP or is it chevy?
I basically want to know if i get bored with the 700r4 in my firebird will a th400 bolt up to the motor.
Cheers.
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1973 Citroen Dyane 6 1980 Citroen Acadiane
1992 Citroen AX 1990 Citroen BX
1997 Citroen XM 1993 Citroen BX
1997 Citroen Xantia 1977 Citroen Ami 8
1996 Ford Escort 1989 Citroen BX
1997 Suzuki RF900 1988 Yamaha TDR250
1979 Honda CB400.
'I need less vehicles'
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10mpg
Club Retro Rides Member
Posts: 4,253
Club RR Member Number: 204
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TH400 question10mpg
@10mpg
Club Retro Rides Member 204
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Hmm not 100% on bellhousing patterns but a TH400 will suck a hell of a lot of power compared to a 700r4 which is designed for smal blocks, a TH400 probably takes 30bhp to run the damn thing, not really an issue on an 8 litre Caddy but on a small block might be a problem...
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The Internet, like all tools, if used improperly, can make a complete bo**cks of even the simplest jobs...
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stinkwheel
Posted a lot
Doctor Of Gonzo Journalism - One of gods own proptypes, never even considered for mass production.
Posts: 2,280
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interesting point that. It seems a lot of the US third gen owners have put th400's behind 350's.
Mainly because a th700r4 is seen as weak when put behind even a vaguely hot motor (or it seems to be regarded that way over there anyway)
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1973 Citroen Dyane 6 1980 Citroen Acadiane
1992 Citroen AX 1990 Citroen BX
1997 Citroen XM 1993 Citroen BX
1997 Citroen Xantia 1977 Citroen Ami 8
1996 Ford Escort 1989 Citroen BX
1997 Suzuki RF900 1988 Yamaha TDR250
1979 Honda CB400.
'I need less vehicles'
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WHS. ^^^
TH400 is also very heavy. I had one land on my chest LOL Its also quite bulky.
So you add maybe 70KG to the car, sap an extra 20 BHP from your 305, you lose a gear and will need to modify the crossmember and maybe the floor pan to fit it. I don't see the win.
99% sure Cadillac is BOP Pattern.
If you have a BOP pattern TH400 available I would be interested in it to go behind an Oldsmobile V8 in my '81 LeSabre... Although I would probably be better going for a T200-4R as these are 4 speed (overdrive)....
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1937 Austin Street Rod - 1941 Wolseley Not Rod - 1956 Humber Hawk - 1957 Daimler Conquest - 1966 Buick LeSabre - 1968 Plymouth Sport Fury - 1968 Ford Galaxie - 1969 Ford Country Squire - 1969 Mercury Marquis - 1970 Morris Minor - 1970 Buick Skylark - 1970 Ford Galaxie - 1971 Ford Galaxie - 1976 Continental Mark IV - 1976 Ford Capri - 1976 Rover V8 - 1994 Ford Fiesta
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oh, TH400 is the drag racer's choice. Build a strong small block and a TH400 becomes a worthwhile option although a TH350 is still lighter and saps less power and can be built strong enough to take a pile of power
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1937 Austin Street Rod - 1941 Wolseley Not Rod - 1956 Humber Hawk - 1957 Daimler Conquest - 1966 Buick LeSabre - 1968 Plymouth Sport Fury - 1968 Ford Galaxie - 1969 Ford Country Squire - 1969 Mercury Marquis - 1970 Morris Minor - 1970 Buick Skylark - 1970 Ford Galaxie - 1971 Ford Galaxie - 1976 Continental Mark IV - 1976 Ford Capri - 1976 Rover V8 - 1994 Ford Fiesta
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May 10, 2012 10:00:33 GMT
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grab yourself a reverse manual valve-body for it too - turn that sucker into a wannabe sequential gearbox!  Was planning on it for my jag V12.. but then reality hit, and I sold the parts  |
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You're like a crazy backyard genius! |
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stinkwheel
Posted a lot
Doctor Of Gonzo Journalism - One of gods own proptypes, never even considered for mass production.
Posts: 2,280
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May 10, 2012 10:28:57 GMT
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i don't have one I'm afraid akku, just one on e-bay from a caddy for a ton you see  I think i will keep an eye out for a th350 for when i build myself a proper engine |
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1973 Citroen Dyane 6 1980 Citroen Acadiane
1992 Citroen AX 1990 Citroen BX
1997 Citroen XM 1993 Citroen BX
1997 Citroen Xantia 1977 Citroen Ami 8
1996 Ford Escort 1989 Citroen BX
1997 Suzuki RF900 1988 Yamaha TDR250
1979 Honda CB400.
'I need less vehicles'
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May 10, 2012 12:01:45 GMT
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I'll have a look at that if I can scrape some pennies together. Bills to pay first though
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1937 Austin Street Rod - 1941 Wolseley Not Rod - 1956 Humber Hawk - 1957 Daimler Conquest - 1966 Buick LeSabre - 1968 Plymouth Sport Fury - 1968 Ford Galaxie - 1969 Ford Country Squire - 1969 Mercury Marquis - 1970 Morris Minor - 1970 Buick Skylark - 1970 Ford Galaxie - 1971 Ford Galaxie - 1976 Continental Mark IV - 1976 Ford Capri - 1976 Rover V8 - 1994 Ford Fiesta
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