Nikkro
New member
Looking for confirmation or counter evidence to the relationship between the M32 in the sonic and some Opels and the F40 used for the LTG in transverse form. It appears that GM in their infinite laziness may have lowered the tolerances of a F40 to make the weaker M32.
This is important for one reason; there is an Opel (Astra J OPC) I believe has been misidentified. Wikipedia lists it using an A20NHT but the specs for the output and emissions match the 2.0T LTG perfectly. If this car used the LTG and an F40 (confirmed the F40), it may be a valid option for a swap with less custom work for mounts.
Main evidence;
The same car in lower trim levels uses our M32 and is (I think?) the source of our LSD options.
The engine specifications (including the g co2/year don't match the A20NHT.
The F40 is the transmission used with the LTG in transverse applications.
The M32 isn't listed with GM's normal transmissions and appears to exist in a weird middle classification.
The F40 and M32 share the three shaft design, gear ratios, and other similarities.
I'm not completely attached to this idea but I would like to know. The LS3 Sonic Rally car makes me want to get some specs together.
This is important for one reason; there is an Opel (Astra J OPC) I believe has been misidentified. Wikipedia lists it using an A20NHT but the specs for the output and emissions match the 2.0T LTG perfectly. If this car used the LTG and an F40 (confirmed the F40), it may be a valid option for a swap with less custom work for mounts.
Main evidence;
The same car in lower trim levels uses our M32 and is (I think?) the source of our LSD options.
The engine specifications (including the g co2/year don't match the A20NHT.
The F40 is the transmission used with the LTG in transverse applications.
The M32 isn't listed with GM's normal transmissions and appears to exist in a weird middle classification.
The F40 and M32 share the three shaft design, gear ratios, and other similarities.
I'm not completely attached to this idea but I would like to know. The LS3 Sonic Rally car makes me want to get some specs together.