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Ryoken's 89 Crew Cab Tubebed build... aka Mutt....

Overview Gallery Discussion
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RIP Nogo!!!!!!! :bow: :haha:






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not bad for like 7, 8 months.... :haha:
 
thanks, she's getting there.. :D the tube bed's gonna be the centerpiece of the rig hopefully...



so.. question for the late model masses... :ears:

say I wanted to run a factory ECM for a late 90's OBD2 502 MPFI, I'm guessing that would be a Ramjet 502? :dunno:

what GM app would have run something like that? gen 6 BB, roller cam, obviously 8 injectors by that point in time.... i figure its after 96, so OBD2... I'm mainly interested in what the ECM in particular is, or even possibly a whole vehicle harness to look for that I could adapt..
 
I know when I was doing mine I looked at some GM Performance stuff that is stand alone for just about anything. It was a little pricey but I think it could work for you if nothing else is available.
 
I'm thinking I may just run a modified Mercruiser engine harness in Mutt when I go MPFI... I can probably dig one up somewhere... :haha:







slut'n it....





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Right now, the Mutt is like hookin up with a smokin hott chick! Then finding out she's got a hairy arse. Dont ask:shame:
 
We love sluts round these parts! About your fuel injection question, nothing ever came from Tue factory with a ramjet 502. Your closest and obdii options are the 96+ 454, and the 8.1. Both use different fuel injection systems, but either could be adapted and tuned how ever you want. One thing tho is I'm not sure if the 8.1 has a reluctor ring on the crank or just a normal crank sensor. That would be a question for Larry. My point is, you could use the ecm from a 96+ 454 and use it to run something ramjet without much trouble.
 
yeah, I'm super familiar with the MEFI series obviously with the boats... I've read the stock tune for the ramjet 502 is a bit lame anyway... whichever way I go, I'm gonna wanna tune and be able to change parameters.. mefiburn will do everything combined with tunerpro... i also have all the Rinda software at work for the boats...

I've gotta figure I can get that later model mpfi roller mill to get better emmisions than the current flat tappet tbi setup, numbers-wise... if need be, I can temporarily tweak a few columns...

i'm not even worried about any visual... that's all i care about is if it passes the sniffer test..

well, that, and that it'll pull freight trains if need be... :saweet:
 
Mutt'll be doing the working class act tomorrow.. 300 miles hauling furniture... :woot:

that stupid temporary wood bed has been getting a workout! :haha: had a bunch of steel strapped to it last night... it's hauled motors, drives, shrinkwrap, trees, batteries, etc... :pimp:
 
yeah, that 70' of 1.5 square tube I got for the K5 dolly...

Mutt did about 300 trouble-free miles today... tho, after a couple long runs, it's apparent my mileage on the highway bound kennel is about 10, maybe 11... she spins about 2800 at 65...



I was picking up these 4 filing cabinets...


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should be good for storage of Dungeon bric-a-brac... :whistle: :haha: :woot:
 
thanks.. it's been pretty much flawless since I started driving it... handles and drives excellent... reliable as he!!...

now I'm gonna be changing it up some for about the next yr.... about 2/3's my attention will be go toward Mutt, the other 1/3 toward the K5...

hopefully, Mutt'll be "pretty much" done for awhile come next fall.. tubebed, kennel work and finish the paint... than I can be 100% back on the K5 next winter/spring/summer...
 
ryoken said:
ok, cool, thanks Issaam, good to see ya back around... shipping would probably slaughter the deal.. but maybe i'll check into it... it's definitely down the list a bit, but it is something i want to check into.. thanks, i'll get back to ya..


as some remember, Mutt has had fuel pressure issues from day one... i finally broke down and put a walbro 255 in the main tank this morn.. tpi from an 89 z28.... straight up replacement sizing.. fuel pressure is a steady 13.7 psi now thru the rpm range.. and Mutt now runs like a scalded....... dog..... :whistle: ;)

well, as much as it can with the tame heads and anemic bumpstick.. :(:shame: but before it would fall on it's face if ya put the coals to her and the psi would drop off...

i'm tempted to throw one in the other tank and rectify it's issues too.. it'd be nice to have the 36 gal capacity, even if only till next summer... might be worth it for another $120... heck, i can always keep the extra pump for a spare on the custom single tank...

the other thing is, the saddle tanks do not in any way effect the construction of the tubebed, only the future hanging toolboxes under it... so i can fully complete the bed fab, and add the custom tank at any time after that, running on the saddles..
Click to expand...

Isnt the TPI pump 50 PSI or so? Does the TBI regulator have the ability to take that much pressure and still function reliably?

Ive been doing alot of brainstorming on the issues with my truck, and I remembered this. I'm guessing my pump is trashed as well since the throttle body was full of rust and silt.
 
generally they are anywhere from 40 to 45... runs great... the reg doesn't care as long as you have a sufficient return to the tank...

I'm sure if I deadheaded it by clamping off the return, it would probably be 40 to 45.... and blow all my hose clamps off!! :haha:

I just couldn't be bothered to troubleshoot it anymore... the f*cked up thing is, I put a brand new tbi pump in the aux tank, and it got worse pressure than the main tank.. :doah: but even the main tank, it would get up to about 12 psi, but totally fall off when ya got into the throttle...

as soon as i put the tpi pump in, it went right to 13.7 without any reg adjustment, which is about what i would have set it at anyway... but that says something about that tbi pump that was in there, even at idle, it wouldn't give me 13.5..

guess it was tired... but i wasn't about to jerk around putting another tbi pump in this time..
 
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