I haven't done it myself since I use SU's but the process is detailed in Len
Renkenberger's Six Tech manual which can be found online at this link:
http://www.74tr6.com/pdfs/6-TECH%20Complete.pdf
When I started working on cars way, way back when Len's book was an incredible
resource coming out of 6-Pack. Look over the differential rebuild section if
you want to understand how to rebuild a diff.
Bob Kramer
rkramer3@austin.rr.com
---- Bud R <levilevi@comcast.net> wrote:
> I donâ??t have any experience with TR4 ZS carbs so Iâ??m not sure. Iâ??ve
> only worked with TR6 era ZS carbs.
>
> One would think they hadnâ??t changed that much so that might work.
>
> Bud
>
> Extreme Parts Racing (more than just a haircut)
>
> 71TR6 CC57365 (Good 6)
> 71 Spitfire MK IV Race Car #3
> 69 Spitfire MK III (back up FE engine/dinghy car)
> 93 Minnie Winnie Race Support Vehicle
> 77 Z-50A Hardly Davidson Honda Mini-Trail Bike (Triumph Pit Bike)
>
>
>
> On Oct 16, 2015, at 11:17 AM, rkramer3@austin.rr.com wrote:
>
> > Can't you use the adjustable jets from the ZS carbs on a TR4?
> >
> > Bob Kramer
> > rkramer3@austin.rr.com
> >
> > ---- Bud R <levilevi@comcast.net> wrote:
> >> â??but what about the main jets."
> >>
> >>
> >>
> >> ZS jets actually are adjustable, just not easily. The depth (from the
> >> bridge to the top of the jet) of the jets on my 175 ZS carbs can range
> >> from 0.085 to 0.187 inches. I have mine set at 0.125â?? deep. Donâ??t know
> >> if 150â??s are the same but I suspect itâ??s close to the same.
> >>
> >> To adjust take a 3/8 inch bolt and grind it flat on the bottom. Put two
> >> nuts on to lock your â??depth setterâ?? bolt and then tap the jet down to
> >> a measured depth (with your dial indicator). To move it up tap from the
> >> bottom with a Honda valve guide (or similar protection) to protect the
> >> jet. Iâ??ve set the jets with the carbs still on the carb.
> >>
> >> 0.085 is lean and 0.187 is rich so adjust accordingly. Be precise this is
> >> not a big range but it can make a difference.
> >>
> >>
> >> Bud Rolofson
> >>
> >> Extreme Parts Racing (more than just a haircut)
> >>
> >> 71TR6 CC57365 (Good 6)
> >> 71 Spitfire MK IV Race Car #3
> >> 69 Spitfire MK III (back up FE engine/dinghy car)
> >> 93 Minnie Winnie Race Support Vehicle
> >> 77 Z-50A Hardly Davidson Honda Mini-Trail Bike (Triumph Pit Bike)
> >>
> >>
> >>
> >>
> >>
> >>
> >>
> >>
> >>
> >>
> >>
> >>
> >> On Oct 15, 2015, at 2:12 PM, Kas Kastner <kaskastner@gmail.com> wrote:
> >>
> >>> Did you check the plugs after the overheating so that you know it was
> >>> from fuel problems not the overheating??
> >>>
> >>> What needles are you running? How far open is the adjusting nut for the
> >>> mixture?
> >>>
> >>> Never be beaten by equipment.
> >>>
> >>>
> >>> On Thu, Oct 15, 2015 at 6:42 AM, <damys@charter.net> wrote:
> >>> Finally got the GT6 back together and had it at Brainerd for two track
> >>> days. First day still had overheating issues even with the oil cooler,
> >>> external octopus oiling and scirocco rad. Also had a vibration in the
> >>> rear.
> >>>
> >>> Then we fabricated a full rad shroud and re-did one of the 240Z rear
> >>> axles. Lost all but a very minor vibration that show up at around 100
> >>> MPH which might just be from driving an 1800 lb car that fast.
> >>>
> >>> Cured the overheating and actually had to tape the rad and oil cooler.
> >>> After many laps the water was at 200 and the oil at 220. Outside temp
> >>> 65-70 degrees.
> >>>
> >>> Our new problem is we burned the electrodes off of number 1 and 4 plugs.
> >>> The other four looked a little lean, but not bad. We are running 1.50
> >>> Strombergs.
> >>>
> >>> It seems to me that the stock intake is starving 1 and 4.
> >>>
> >>> I've read that Kas drilled the float jets to cure starvation at high
> >>> RPM's, but what about the main jets. Will this cause serious bog at
> >>> mid-RPM's. Also would reworking the number 1 and 4 intake runners help
> >>> the problem. We are maxing out at 6000 RPM's.
> >>>
> >>> As for the minor vibration, we have a rebuilt, fully welded 3:89.
> >>>
> >>> Planning on Elkhart in the Spring. Any ideas?
> >>>
> >>> Thanks
> >>>
> >>> Dave and Alex Amys
> >>>
> >>>
> >>>
> >>>
> >>>
> >>> _______________________________________________
> >>> fot@autox.team.net
> >>>
> >>> http://www.fot-racing.com
> >>>
> >>> Donate: http://www.team.net/donate.html
> >>> Archive: http://www.team.net/archive
> >>> Forums: http://www.team.net/forums
> >>> Unsubscribe/Manage:
> >>> http://autox.team.net/mailman/options/fot/kaskastner@gmail.com
> >>>
> >>>
> >>>
> >>>
> >>> _______________________________________________
> >>> fot@autox.team.net
> >>>
> >>> http://www.fot-racing.com
> >>>
> >>> Donate: http://www.team.net/donate.html
> >>> Archive: http://www.team.net/archive
> >>> Forums: http://www.team.net/forums
> >>> Unsubscribe/Manage:
> >>> http://autox.team.net/mailman/options/fot/levilevi@comcast.net
> >>>
> >>>
> >>
> >
>
_______________________________________________
fot@autox.team.net
http://www.fot-racing.com
Donate: http://www.team.net/donate.html
Archive: http://www.team.net/archive
Forums: http://www.team.net/forums
Unsubscribe/Manage:
http://autox.team.net/mailman/options/fot/mharc@autox.team.net
|