4.5 performance parts
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Swapping HT4100 (4.1L V8) Fleetwood Brougham with a 5.7L V8
HT4100 4.1, 4.5, 4.9I have a 1985 Fleetwood Brougham RWD with a 4.1L and a THM200-4R transmission. However, it started leaking engine coolant. After inspection, it is somewhere from the back for the engine - very possibly engine block. I am looking to replace this engine. I found a 1990 Cadillac Brougham with a...- 4
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Searching for 4.X parts...Can anyone help?
HT4100 4.1, 4.5, 4.9Hi everyone, I know this isn't the WTB area but I figure this is my best shot at someone seeing this. I'm looking for some 4.5 liter and 4.9 liter parts for a build I plan on doing, namely; -1988/89 4.5 TBI pistons -1988-95 4.5 or 4.9 cylinder liners -1988-95 roller lifter retainer (and the...- 4
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smokuspollutus · updated
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1988 4.1L Allante Change Spark Plugs?
HT4100 4.1, 4.5, 4.9Good morning. I just brought my, new to me, Allante to MO from MI. It's running a bit rough and not knowing any history about tuneups or so, I figure plugs to start with and go from there. I have a GM manual on order, but not here yet. I understand that the Allante is very similar to the...- 1
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Bypass A.I.R. pump
HT4100 4.1, 4.5, 4.9I have a 1985 Cadillac Eldorado with the 4.1 liter HT4100. In Washington State and Emissions are not an issue. I will eventually remove entire unit but I had to take the belt off and nurse her home last night and I want to just put a smaller belt for water pump only. What size would it be and...- 0
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transmission dip stick
HT4100 4.1, 4.5, 4.9I have a 1985 eldorado, that may have the wrong dip stick! I'm searching for the length of a correct dip stick! Also, the number stamped on the stick!- 0
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