Well, I found a guy who is selling his fuel rails from his 96 TA for 30 dollars. The only problem is, he says that the shrader valve came off in one of his fittings and he thinks it would take MIG welding to fix. What do you guys think? Should I get them for 30 bucks and run the risk of not being able to use one of the logs?
Thanks.

 

No, considering it most cases you can get a full LT1 intake, TB, fuel rails, and injectors for not much over 100. You could easily get all that and then sell everything except the fuel rails. Then again, maybe the Mig welding is easy?

 

If the schrader valve is missing, then put a fuel pressure gage on there, or at least a cap. If the nipple is damaged, then it will need welding.

 

Bad deal. If the shrader valve is broken off (which is easy to do, don't ask how I know) then the passenger side rail is worthless. The feed tube is SO fragile you'll probably burn them up trying to MIG/TIG weld the valve housing back on. Like the guys said, shop elsewhere and get it all at once.

 

This seems like a good place to throw this up....... So let me post this question to the LT1 experts out there....

I have a 93 LT1 manifold and fuel rails. I got it before I knew that the fuel rails wouldn't work when a distributor is going to be used. And FYI for anyone looking to do the LT1 intake mod, just in case anyone is thinking they can just work with it and make a 93 manifold work as-is ....... No friggin way!!!.... The only option that I can see is completely chopping the rails off at the ends and drilling and tapping fittings for the feed and return lines, as well as installing some sort of crossover tube setup(s) to replace the ones that are in the way of a distributor install on the back of the 93 rails.

So my question is, since I got this manifold really cheap and am willing to spend a bit to get it to work rather than ditch it and buy a 94 - up LT1 manifold (I have a decent cushion since I was planning on a Miniram before this), how about getting some 94-up rails and removing the front crossover tube, welding the holes shut, and drilling and tapping a new crossover tube that will go over the plenum area? I think it will work and I already know a place to get the aluminum welding and fabbing done for a fair price.....

So what do you LT1 guys think? I know, I know...... Never should have gotten that 93 manifold - but that is just rounds down range at this point. And I do remember hearing that the 93 manifold has a slightly larger plenum volume and better flow characteristics (prolly due to the lack of the bump in the plenum for that front crossover tube) so getting the 93 intake to work might be worth a little messing around (to me anyways).

Thanks in advance for the input...
Laterzzzzz

 

Since I'm a nice guy Matt, I actually went a did it for you very quickly.



The 94 rails DO fit, the injector seats seem a little shallow to me, but I think they'll seat ok, but watch for vacuum leaks. Here's the pic, you'll have to enlarge the 4 holes since the 1992/93 LT1 rails use the older 8mm x 1.25 bolts instead of the newer 94+ 6mm x 1.25 bolts. You'll need to plug the two front holes and make the crossover, but otherwise I think you'll be in business.

 

A little over $100 for a complete assembly? Where? I challange you to find the intake, rails and TB for under $250.

 

Ok, so what do I win? I buy them all the time for less than 100.00 complete. My last one ran the princely sum of 85.00 plus 12.00 shipping. They're on eBay all the time for less than 150.00.

Of course, I buy them 2 - 5 at a time since they are staples of my business, but anyone can get them for less than 200.00 all day.

Kelly 'GhoSSt' Rosato

 

A loaded intake goes for $250-290 all the time. I have never seen one go for less than $150 especially with a TB. I picked mine up for $200 with shipping. It has everything except for the TB.

 

You da man Kelly!! Thanks for that pic! I figured it would be do-able but I had some doubts..... That pic makes it look very promising. I have a few different sets of injectors to play with if one set has a little longer body than the other, I can make it work for now.... Just a little injector constant work in the PROM and I will be in business....

And as for what kind of price to pay, I got mine for $100 total with shipping included. Now it is, of course, the incorrect one, but I doubt the seller knew that. It is sans injectors and TB, but otherwise complete, right down to the throttle/TV cable bracket (Nice plus since the 93s still had a 4L60 and had a TV cable). It also came with an adjustable FPR cap. So like I was saying, I have some room to spend a little more to get the whole setup working correctly. I figure someone will want my custom ported, ULTRA-high flowing SLP runnered LTR, TPI setup as well...... Might be able to do this mod for *free* aside from the work.

Hey Kelly, what kind of better flow characteristics do the 93 plenums have versus the newer ones?

Thanks again!!
Laterzzzzzzzz
Matt

 

No problem, I have tons of stuff laying around, its my bidnezz after all.

Well, there are 2 issues to consider, plenum volume about 7% greater in a 1992/93 manifold and the lack of the crossover "hump".

1994 - 1996 manifolds almost ALWAYS run rich on clyinder 1 & 2 in N02 TB plate applications because the hump diverts N02 away from the 1 & 2 ports as the plate sprays. You can read about this problem with a bit of research over at www.impalassforum.com under "Power Adders". So airflow to cylinders 1 & 2 can br compromised and problematic with the later style manifold.

This is balanced by the fact that that 1992/93 fuel rails suffered from inconsistent fuel pressures because of the rail design. So both styles have trade offs. Differing from my pic tho... I'd actually put the crossover towards the middle of rails instead of the front. be a LOT more material to work with and less fragile I believe.

 

I tried to sell one for 150 with with fuel rails TB but I had 22lb injectors in it instead of the 24 and no one thought it was a good deal so I still have it siting on a shelf Im in no herry to get rid of it i may still use the fuel rails to do a lt4 intake swap to my car.But Im geting a DFI system first.