75 Turbo 400 in 65 Jetstar 1
#1
75 Turbo 400 in 65 Jetstar 1
I made an engine and trans swap recently and noticed that the trans shifts way to early (3000 RPM) at full throttle. What am I missing here were the 75 's electric shift? Is there any way I can fix this ? The only thing I don't have plugged in the trans is the speedo cable as mine runs off the front tire. Thanks
#3
I made an engine and trans swap recently and noticed that the trans shifts way to early (3000 RPM) at full throttle. What am I missing here were the 75 's electric shift? Is there any way I can fix this ? The only thing I don't have plugged in the trans is the speedo cable as mine runs off the front tire. Thanks
#5
Check for a vacum leak on the rubber portions of the line to the modulator. I had a bad fitting rubber hose at the modulator on mine. Once I fixed the vaccum leak it shifted just fine,
Nice pictures good looking car
Nice pictures good looking car
#6
You can hook up a kickdown wire with a micro switch (like used for a nitrous system) to get the kickdown working. Just hook to a 12V source.
As far as the way early shifts check the modulater and the governor.
As far as the way early shifts check the modulater and the governor.
#7
Hey that Jetstar looks like the car that Kevin drove in the WONDER YEARS SHOW. His was blue and had the chinese restaurant number decal on the door. Man I am really showing off my age now.
Nice car, what does it have for a mill, 330?
Nice car, what does it have for a mill, 330?
#9
Kevin drove a '65 Cutlass, not a Jetstar 1. All Jetstar 1s came with the 370 hp 425. It was the only engine available on that model.
#10
I think the '65 came with a switch-pitch TH400 having two wires going to the transmission. The '75 should only have one connector--for the kickdown/shift speed control. Make sure the correct wire is on that terminal and gets voltage at WOT.
Good luck.
DW
Good luck.
DW
#11
Switch pitch is better than the 75 TH400 IMO.
#12
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#15
The original trans was leaking pretty bad and would not shift @ full throttle unless u let off and hit it again real quick but regular driving it would shift great I actually liked it because I could get a nice rip out of the tires hitting secong very easily with it. Made a couple old R/T's back down I will make sure I have the right wire hooked up. Thanks
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