On it so it would work being held by only one bolt. Vacuum line, I cut mine in half and welded a retaining pin Probably have to modified to clear the powerbrake "TV Cable Bracket" that works with a Q-Jet, and it'll As this cable controls line pressure it's critical to the tranny's health and wellīeing that it's adjusted correctly. Shiftpoints, line pressure, and kickdown.
#JEGS 700R4 CORVETTE SERVO UPGRADE TV#
The 700R4 uses a TV cable to control part-throttle Line as well as the kickdown cable can go The 700R4 doesn't have a vacuum modulator so that vacuum Travel, OR, Ecklers now sells a kit with a shifter gate andĬable bracket etc for the swap, $80 or so. Into the shifter's detent plate, there is plenty of Want first gear too you'll have to grind an extra detent You'll get 2, 3, and D (same as the 82's), if you Your stock shifter will not allow first gear to be held, Hole, a proper 700 bracket might work, not sure. Other no good, so I welded on a tab and drilled a new Make the bolt holes line up, one hole will be fine and the The shifter cable's bracket at the tranny's end to Your stock shifter will work but you will have to modify If you have a single exhaust crossmember, you could perhapsīolt in a 82 crossmember which I "think" has the handbrake pulley already moved. Issue any yoke will work, assuming reasonable body to frameĪlignment, something those of us with old Vettes shouldn't assume. The reason is that since the tranny is longer the yoke is closer to the rear of the driveshaft tunnel, right where it starts to get thinner, if the handbrake is not an The kind with U bolts instead of caps (L88's came with I ended up using a yoke from a late 60's 4 speed, If you want to retain the handbrake you'll have to removeĪnd reweld the handbrake cable pulley a little bit over towards the driver's side on the crossmember so the handbrake cable clears the yoke, and speaking of yokes, the smaller the better. If you want to retain the handbrake it will be easier for Small diameter driveshaft which means that If you’re coming from an TH350 you should already have the TH400, and that's how GM did it in 82) and mount to the Tailhousing mount (that's what I did coming from a In the crossmember itself and use the 700's optional In the plate and mount the 700R4 to it with theĬase mount if the height (pinion angle) works out, OR, youĬould remove the above plate and drill new holes That (like the 4 speeds), you could maybe drill new holes If coming from a TH350 you probably have a plate that'sīolted to the crossmember and the tranny mounts to
The case that's 22.75" from the engine mounting surface),Īnd an optional tailhousing mount that's 27.75" You have two options with the rear mount, the 700R4 has twoĭifferent mounting provisions, a mount on You'll need to balance and shorten the driveshaft approxģ.5" if coming from a TH-400, not sure about TH-350 (it’ll be pretty close), it might work but in either case measure in the car! You'll have to bend the 700's dipstick tube a little bit If using a stock tranny from the wrecker talk to BM or TCIĪs they have some stuff to set up a stock 700. Myħ00 is setup to lock up in fourth only, and all I had to do was supply 12 volts (which was already there from the TH400), other people do it differently so talk to your tranny builder about it. Though it depends on your rear gear and rear tire size. Stall speed, also the TTC is worth about 1.5 mpg to ya, Your cruise rpm in OD is anywhere around the converter's You'll need12 volts down there if you retain the "torqueĬonverter clutch". Your cooler lines should work with a little bending.
#JEGS 700R4 CORVETTE SERVO UPGRADE MOD#
Mod your old one with some tin snips and a drill. Will be no problem,the V8 700's come in a Chevyīellhousing only. Your Bellhousing and flexplate to converter bolt pattern has crossmembers, driveshafts, shifter kits, correctĬarb throttle shaft brackets, TV Cable brackets,Īnd transmissions available for swaps now (they didn’tĮxist in 1992 when I performed this swap). The 700R4 isĪlso lighter and takes some 30HP less to turn than a I put an 89 700R4 in my 71 and it's a wonderful additionįor the street, I'm getting 19 mpg at 70 toĨ0 mph cruise with a 406/375, much better than the 14 to 15 I found this post in a ASU corvette site while i was assigned in Arkansas and saved it.i have posted it as i found it
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