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08 T-eryx Resurrection

11K views 100 replies 13 participants last post by  SDSam! 
#1 ·
Ok I guess l'll blog my 08 T-eryx resurrection here and see this rivaval come together.
Short story i had a DRZ400s that was a blast to ride but it was sad leaving to have fun and leaving my kids (5yr olds x2) just playing in camp so put it up for sale once sold i wanted to stay on that amount budget and needed a 4 seater toy to take them out around the desert and dunes. i had already figured these old Dinos where around the budget and where four seat capable fitting for my needs and few days later i found this thing and now knee deep in the rebuild.


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#2 ·
This is the Dino i picked up after scouring the classified all over the place this one had a good set of upgrades and stance i liked, few other where similar some with more some with less but nailed this one with it flaws and all picked it as it was made a fair offer and didnt question much.
and got it home with the PO's help, Great Guy!



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#5 ·
Good looking rig!
 
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#6 · (Edited)
it was looking nice, but now came time for the inspection, assesment and repair tune and some preliminary upgrades right away like that. well yes i would rather be riding it but without knowing how thing are is not my style. so going deep into anything thats questionable, seats, panels, hood, all off. learned i have to release the cage to get the hood off that will have to be addressed ASAP. so more time... agghhh. electrical was/is a mess that needs some attention.




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#9 ·
Top of the line a decade ago, now retro is cool! I have a Dragonfire +6 about the same vintage on my 2011 and I'm thinking about going back to stock with 2" wheel spacers so it will fit in my enclosed trailer. I really like the look and performance of long travel kits, but the tires sticking waaay outside the body really sucks in the mud of which we have more of than sand in Nebraska! Have fun with your new to you toy, keep the Gen. 1s alive!
 
#11 ·
one thing i had to inspect rather quick was an engine miss or running on one cylinder. it had really old gas so could have been that, gummed up carb or fouled plug. dumped the gas, pulled the plugs and while there i did the compression test, this reaveled a front very low compression rear normal. wet test and still low. checked the valve adjustment a super tight and adjusting them didnt help none. bummer time to tear the top end down for valve job.



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#12 · (Edited)
So after inquiring and some recommendations, the heads ended up at Benchmark Performance for rebuild and seeing that the motor already has standard bore pistons, the heads will be getting performance upgrades also!

<https://benchmarkperformance.us/?SID=otvd36qc2qrpml8clhilvl1r52>
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#19 ·
Sam ,glad you are making good progress ! The wheel well delete looks good as well . Snowsnd81 ,those are some "meats" for paddles you are running ,are those sand tire unlimited ? That looks like a lot of tire for old "Rex" (liking this thread )
 
#22 ·
What do you have listed for cooling system mods and do you have a temp gauge ?[/QUOTE]

I totally missed the question about the cooling system mods.

TRD water pump impeller Maxima cool-aid coolant, lower thermostat and fan switch by pass (direct turn on) SDR massive aluminum radiator, Derale high output/low draw made in Italy massive fan, Earls 9-row perm-cool oil cooler, A&N fittings and steal braded lines, DASA oil filter sandwich adaptor and for good measure a back-lite Trail-Tech digital gauge to monitor the temps.
 
#23 ·
thats a built cooling system for sure. i was looking at the factory 08 fan and it looks like something that belongs on my old trucks dash board.
have been thinking of pulling the thermostat and just letting the fans temp switch act like the thermostat. and for sure upgrading the fan. or just try with the fan upgrade and see how it does.

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#24 ·
Yea I am running the Doonz as of current its a rather heavy tire for a paddle ,they work .Those STU's look like a dope tire ,but it is almost like running a twelve cup which seems like lot of paddle for the T-Rex, but having never tried them i have know idea .I really havent got to ride much at all in the last few years ,so its been a minute since i have hit the dunes ,but in hopes of getting out there at some point I picked up a set of Skat Track Buffs that have been sitting in my garage .They are nice and light just need to swap them out .But before i did this i was looking into getting a set of Red label douglas rims to mount them on .My current sand set up are aluminum cast and they too are heavy ,saving some unsprung weight plays a big role in the dunes for the T-Rex as they are super fun cars in the sand .Having the cooling mods are key ! especially running in the dunes ,for me its the "setrab" external oil cooler with remote filter it increases the cars oil capacity from two quarts to around a gallon .50% is Huge when lack of oil is what plagues these small engines ,Benchmark made mine .Also i have the Dasa water pump impeller ,to keep things flowing .And last but not least is the old temp gauge to tell me if things are getting nutz or if they are where they are supposed to be .Love seeing the pics of the builds ,keep em coming .
 
#26 ·
Ok so here is finally the rear seat for the kiddos, since i didnt buy a mounting kit because... pheeshh not me. made my own welded two bolts to make a 90deg. and spaced enough to go outside the bed square tubing. then measured and drilled the bed and bolted down and test fit the belts with the kids in them. perfect fit.


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#27 · (Edited)
[/QUOTE]another question about your car or anyone that has info on rejetting, i want to compare and see what kind of jetting you used for std bore or big bore with mods, cams exhaust, intake. but will be opening my cabs to see whats in them.
 
#28 ·
Well look at these badazs heads i just got back from Benchmark Performance, now its time to start the assembly. and then tunning this thing.


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#29 ·
Since I will have to re jet carbs after start up with the new cams and porting, i have been reading up on the historical pages of these 08's and have seen the slide drilling and rejetting and also reading on fcr carbs and intake box issues. So which route to go with this or how far? On the quick i will rejet and drill the slides cause ill have everything available including the LM2 wideband. I can make my own intake box divided down the middle going to the UMP and decide on the FCR Carbs later. Do
the ones from yfz450 usable? Since they are probably the cheapest deal. So got the heads on, rockers on and valves adjusted for the day.


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#30 ·
Nice heads! Personally, I would see how it runs before I made any permanent modifications like drilling the slides. I'm assuming it was already rejetted for the aftermarket exhaust? No experience with FCR carbs, we rejetted the stock carbs on our 2008 with Muzzy exhaust, and then switched to 2009 F.I as soon as we scrounged up the parts.
 
#31 · (Edited)
opened carbs to see what was installed when someone did standard bore pistons and found it has mains at 134 front 138 rear, thats stock motor jets and for altitude i believe. yikes!, also cleaned up some old varnish smelling fuel and some build up on the main jet nozzle, dropped the parts in my parts cleaner and worked great took everything right off glad i tore into it.

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