TQ question
Got one to mess with but haven't been able to make time to try and figure it out.
The #6454 that is right for my car, and is on the car, has 1 1/2" primaries. It's not the one that came on the car as all I got was a shortblock when I pulled the car out of the wrecking yard, but the number's are right. Per the info that Gary Lewallen (aka Vaanth) put on the internet, some of the '73 340 cars had TQ's with 1 1/2" primaries (specifically #6339 and 6340 for the CA cars) and most '74 360 cars had 1 1/2" primaries (#6452, 6453, 6454, 6455, 6488, 9002 and 9004). There appears to some '74 non HP motors that came with small primaries (#9013 and 9022), but it appears that all HP 360's had the large primary TQ's. I could be missing something, but I'm 99% certain my '74 360 did come with 1 1/2" primaries.
Seems like someone on this thread said something about running an adapter. If so, here's a warning. The adapter I am running would have left me with a huge vacuum leak if I had just bolted it down. I had to run some extra plates and gaskets (from Edelbrock, but don't remember what they were for now). If you run an adapter, check it with the TQ before just bolting it down. And if possible, smooth the transition between the adapter and intake, mine had a huge shelf that would have been an issue. Just some info.
Got one to mess with but haven't been able to make time to try and figure it out.
The #6454 that is right for my car, and is on the car, has 1 1/2" primaries. It's not the one that came on the car as all I got was a shortblock when I pulled the car out of the wrecking yard, but the number's are right. Per the info that Gary Lewallen (aka Vaanth) put on the internet, some of the '73 340 cars had TQ's with 1 1/2" primaries (specifically #6339 and 6340 for the CA cars) and most '74 360 cars had 1 1/2" primaries (#6452, 6453, 6454, 6455, 6488, 9002 and 9004). There appears to some '74 non HP motors that came with small primaries (#9013 and 9022), but it appears that all HP 360's had the large primary TQ's. I could be missing something, but I'm 99% certain my '74 360 did come with 1 1/2" primaries.
Seems like someone on this thread said something about running an adapter. If so, here's a warning. The adapter I am running would have left me with a huge vacuum leak if I had just bolted it down. I had to run some extra plates and gaskets (from Edelbrock, but don't remember what they were for now). If you run an adapter, check it with the TQ before just bolting it down. And if possible, smooth the transition between the adapter and intake, mine had a huge shelf that would have been an issue. Just some info.
