7even 7.6 vs 7even 7.7
There are some minor changes when 7.6 revolute into the 7.7, but there are major different on the parts between the two machines. Only the A-arms, uprights, shock mounts and some small parts are still the same.
The A-arms in the 7.6 were mounted on the gear boxes, but in 7.7, the A-arm mounting block are separated from the gear boxes, in order to avoid the gear boxes reposition after crashes, and to lower the maintenance cost, since the mounting block can be replace solely.
The upper decks in 7.7 have been put up a little, by the new shape of the centre motor mount and the front and rear gear boxes. Most complain of the 7.6 were the lack or room for the RC stuffs, rearranging the upper decks will certainly solve the problem.
The kit now comes with threaded shock body.
7.7 ¡§Pro¡¨ vs ¡§NR¡¨
The 7.7 are only available in ¡§Pro¡¨ kit and ¡§NR¡¨ kit. The ¡§Pro¡¨ kit was a high ended version, where the ¡§NR¡¨ kit was a low ended kit. The prices were different around USD120. The ¡§Pro¡¨ kit came with all standard parts that you need to assembly the car, plus the front one-way, full ball bearings, alloy gear boxes, alloy motor mount, front and rear anti-roll bar, graphite shock mounts, and new material A-arms (harder, not worn out easily) The ¡§NR¡¨ kit still came with full ball bearings and full graphite chassis, but plastic gear boxes and motor mount, plastic front and rear shock mount, no anti-roll bar, front ball differential.
7even GT3 vs 7.7
The ¡§GT3¡¨ was only available in a form of ¡§conversion kit¡¨, the kit fits with all 7.6 and 7.7. It came with a graphite lower deck and upper decks, front and rear plastic gear box (the one same with the 7.7 NR version, you can't install the 7.6 gear boxes), 4 newly designed threaded shocks (not the same with the threaded came with the "Pro" kit) 4pcs new arm mount.
The most different of the GT3 and the 7.7 was the mounting of the A-arms. The new mounts were also for the setting of rear toe-in, front and rear kick-up. Experienced racers will know how these settings were affected the lab time. In fact, the most important of changing the mounting position is lowering the roll centre. The GT3 shows a really high stability in test run, comparing to the 7.7 or 7.6, but still keep the feature of high mid cornering speed and fast response of the 7even family.
You can also see a little different on the front upper deck; there was a seperated graphit plate for the steering arm post. This was for the further upgrade. But if you want to get some advance on it, try to search for the Yokomo type servo saver (those servo saver on the steering arm post), and try to install it on it. We found that most of the servo savers available in the market have a lot of problems, so teh 7even now have this arrangement to let you use other saver, and are planning to develop another saver for the car. Yet you can still use the old front upper deck.
The "GT3" was still a conversion kit in the moment, the lab was looking forward to mass produce the car with this layout. Yet when it come into mass production, most of the parts may be replace with plastic.
The GT3 and the 7.7 Pro in the photos have already installed with the new light weight CVD on rear (they are all running front one-way). It is arround 1g lighter then the Tamiya's light weight CVD (both 42mm). The lab are looking forward to change their color.... and we are dealing hard with the boss...
The Springs in the photos (Sliver and Black)were newly developed by the Lab. They are high quality and quite hard, it fits with all Yokomo type shock, Tamiya TRF alloy shocks, and former RC lab shocks (that's all we have tested, but I don't know if any other these springs can fit in)
Some of you may notice the arms in the last photo was not the same as those you've got, they are something new, made with new materials, have a higher durability against worn, and a bit harder.
There were some picts still pending. I'll try to upload more later.
If you wanna buy any of these kits (whole new) with a dealer price, please PM me.
7even 7.7 "Pro" Full option, including the front one-way, anti-roll bar, alloy gear boxes and alloy motor mount.
7even 7.7 "NA" Check the gear boxes and motor mount, all plastic.
7even "GT3" check the front arm mount just behind the front bumper, and the front upper deck.
7even "GT3" back view. Check the arms position, the roll center has been put down. And the new set of shocks. And on the background, it is an indoor carpet track.