Twin_Turbo

iTrader: (25)

How many of them were complete? Mine has no EGR but it has factory looking rails & pressure regulator. It also has epoxied ports and it had epoxied runner inlets, making them into sort of bellows.

The holes in the valley are egr ports, they hook directly to the egr passage in the bottom of the plenum.

I think JerryWho has the only one with the complete EGR on it. there was another one on ebay, also brand new. Don't know who has it. That makes 4 in total with ours.

LGAFF

He confirmed that there were 6 total made..

Twin_Turbo

iTrader: (25)

Yes, 6 manifolds cast but how many of them had all the other stuff, like the allen head bolts, the fuel rails, the EGR adapterand so on/ I think JerryWho is the only one who has the orignial EGR adapter that was supposed to come with it. Mine has the original fuel rails.

So, with yours, jerrywhos, mine, the other new one on ebay..there are 2 still out there.

Would be cool to see what people did with them. I know JerryWho was going to put it on a high winding 305? or was it a 327 or 302???? I don't think he posts here anymore. Then there's you putting it on a Callaway TT

This is mine...most people will have seen this pic.

Twin_Turbo

iTrader: (25)

This is JerryWhos, one of the 2 new ones sold on ebay





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TTOP350

iTrader: (8)

Great ?s! Also ask if he could do more of them!!!

TTOP350

iTrader: (8)

I had my mini on a 350 years ago and it helped me out, I was doing nothing but blowing the tires off until I killed a lil low end grunt by installing the mini!
I tend to build a lil overkill in my junk tho!

VincentZ28

iTrader: (2)

Jerrywho is still working on his. I think he hogged it out to fit his AFR's 195's 1205 gasket. He also added more metal in the runner areas for more porting.

LGAFF

Note sent w/questions.....I will post the response or at least a summary of it...I will make sure its ok with him to put up the response.

Lee/LGAFF

LGAFF

Awesome Discussion with Jim Mcfarland. The piece we have is unique, they are all hand made, based somewhat on the old Edelbrock TRY1 Tunnel Ram. Jim had been with Edelbrock prior and done manifold design.

The intake was made for use with stock TPI style heads, and the biggest criteria was to outflow the current TPI, eliminate the coolant cross over, and more importantly to clear the stock Corvette hood. Jim built these based upon the budget he was given and critieria...he also did it on short notice...lots of pressure to complete it ASAP.

They said it was to be first used in a special edition Camaro

The intake also had to be flexible enough to be used on a 305/350; the design should carry peak torque all the way to 5K-5.5K and flow to 7K. Jim stated that the intake, head package was flow tested, and GM told him the package was tested in vehicles, but never shared the #s. He stated the intake should have produced well over 300hp even with the stock cam/head setup.

GM took all the manifolds he made for testing, he never saw them again and shortly there after the LT-1 engine was born, Jim felt alot was taken from this intake in building the LT-1 manifold.

He was very curious how these intakes escaped GM, he said the Epoxy intake work was probably done by GM in testing. He was also interested in the #s the intake produces on our cars.

Cool Stuff....

Thirdgen89GTA

iTrader: (5)

Sounds like a nice bit of history you have there now.

TTOP350

iTrader: (8)

Very Very cool!!! I'f he was at Edlebrock, shouldn't they still have the molds?
Could we have them reverse engineered and reproduced??

LGAFF

He was actually on his own at the time and had left Edelbrock.

Something I forgot to add...the size and shape of the plenum ensures flow to the back runners. He said larger plenums resultedin uineven flow #s, the shape and narrower body had much better flow.

This intake was also designed to work w/reverse flow....something Smokey Yunick was working on but was actually perfected by someone from Earls....who later sued GM for patent infringement...pretty wild stuff

LGAFF

This intake was part of the Reverse Flow test process: Alot of controversey involved...

http://money.cnn.com/magazines/fsb/f...3431/index.htm

LGAFF

Just need to hang the exhaust:

banksGTA

iTrader: (3)

Twin, is the one on ebay currently forsale on there now? Thanks

Twin_Turbo

iTrader: (25)

No, they were on there about 2 years ago. JerryWho bought one of them, don't know who got the other. It was also brand new.

LGAFF, love your callaway TT! Could you snap a pic for me how the intercoolers are held up there? I have a set of carbon end tanked prototype Callaway Intercoolers from a "the speiss" project (hell if I kow what that is LOL) and just for ***** n giggles I might try to orientate them like that, not because ....

LGAFF

The Intercooler tube is attached to the turbo with a silicone reducer with clamps, the intercooler tube to the intercooler are attached by a silicone sleeve, and the clamps are on a stainless steel sleeve that goes over silicone sleeve to give it regidity. You can also see a heavy steel clamp that bolts to an exhaust stud

jmd

iTrader: (4)

I went years without knowing about that. Then I read that story on a diff. site. http://www.nytimes.com/2004/01/11/ny...ted=all&src=pm

TPI TERR

iTrader: (9)

Interesting article

LGAFF

Need to fix a leak off the oil cooler, but she runs

Video below:

TTOP350

iTrader: (8)

Looks/sounds great, now you may want to swap your front wheels/ tires side to side and go for a drive!

LGAFF

yeah I was swapping wheels on and off cars so they are mixed up, this car had a mix of dymags and 88 ZR-1 prototype wheels; I need to have the winddshield replaced yet

robertfrank

iTrader: (27)

So here's the next question about this manifold....who's gonna be the first to copy it? It doesn't look like it would be that difficult. Just get an old efi single plane manifold, cut off the runners about half way and fab up from there. If I could weld aluminum I wouldn't mind giving it a shot lol.

Twin_Turbo

iTrader: (25)

What's that clunking sound?

As far as copy.. no one LOL needs to stay exlusive

As far as moddinf a single plane efi, I was thinking about modifying a tunnel ram and weld a modified TPI plenum on top much like the 100+ manifold...I can't find anything suitable for my 88 camaro and I'd like to end up withj something that isn't as hideous as a HSR. My S&P multiport didn't fit under the hood, needs to be a little shorter

LGAFF

Air pump is not hooked up, that might be it....

LGAFF

100+ is an old Edlebrock intake modified

Twin_Turbo

iTrader: (25)

I know, that's what I may attempt to dio.

LGAFF

Do you think the knock sounds like a bearing?

Twin_Turbo

iTrader: (25)

hard to tell, it doesn't sounds healthy at all. Stick a long screwdriver on the block and put your ear on the handle and probe where the noise is the loudest

Also, if you pull spark leads one by one, if the noise goes away that's your cyl. with issues

LGAFF

keep in mind its not tuned, timed, etc and is now running 32lb injectors......once I get the last oil leak sorted I will look at the othe rissues. I did a compression check on the engine before the top end tear down and all of them checked out and were even; given the 7.5:1 compression..if I recall compression was 112-113 on all cylinders.

These engines were reworked with better internals, so I would be surprised if they were bad already

LGAFF

Not hearing anything from the block, rockers might need some adjusting as some ticks there.....with the swap to the new intake I had a hard time getting the rams horn to fit with the air pump. I think the slight clack....which is more audile in the tape than in the garage might be the rams horns and air pump tapping. I had to clearance both to fit.


I also put my tech 1 on the car, no knock counts, usually with the LT-5 rod knock is easily detected by the knock sensor.

scholtmj

iTrader: (3)

Looks good, Lee. Can't wait to hear some numbers.

TTOP350

iTrader: (8)

I figured that, just bustn your chops a bit because you have a cool intake and I don't

Someone have this made, I'd bet it would sell like hotcakes. I'd buy atleast 2!

Twin_Turbo

iTrader: (25)

LGAFF, what amazes me is how yours has much less throttle response than mine it seems. What kind of cam do you have in there? This is mine and note that I have a lean AE lag on throttle tip in/low rpms. This is with maybe 10% throttle at first and maybe 33% in the 2nd half of the vid. It really jumps up in the rpms

http://www.youtube.com/watch?v=yPo_c...ature=youtu.be

LGAFF

I have a fuel issue, not sure if I have ECM holding the injectors open or the fact that I have 32lb inj with the 21lb tune, but getting way too much fuel....its even getting into the oil pan

Twin_Turbo

iTrader: (25)

Still running the stock tune? These manifolds need a lot of AE and fast too, sort of like the miniram. I've got mine to the point where I can do some WOT road testing now. Took me a little while to iron out some issues.

LGAFF

The clacking in the video turned out to be the air pump check valve......I replaced the air pumpw/a delete package today. Put my finger over the check valve on the header and the sound goes away

TTOP350

iTrader: (8)

Whats a airpump check valve? LOL j/k . Waitn for some numbers!

LGAFF

Add to it that I forgot to plug off the vac port under the TB and I think once the weather is nice I will be able to sort out my drivability issues.....got too used to working on LT-5s

TTOP350

iTrader: (8)

I still want one of these intakes!

Twin_Turbo

iTrader: (25)

2500 it's yours

TTOP350

iTrader: (8)

I'd have 2 sell body parts to get that from ya! !

Twin_Turbo

iTrader: (25)

hey, demand seems to be high and supply very low

robertfrank

iTrader: (27)

hell 2500 is a damn good price for such a rare item. I'd buy it and get it mass produced...with the original designers blessing ofcourse lol.

LGAFF

One for sale on ebay with a a set of AFR heads

https://www.ebay.com/itm/Jim-McFarla...4AAOSwyjZfqF8v

Thirdgen89GTA

iTrader: (5)

Same seller as last time, same combo that didn't sell as last time.

Same price too. Clearly 'knows what he's got'.

Still not worth $6k.

I could pick up a set of AFR 195 Comp Port eliminators with Jezel shaft rockers, go with a MR, or have a HSR ported and extrude honed for less than what he's asking.

IROCZ1989

iTrader: (1)

Lol you are so right. Clearly he knows what he doesn't have, a sale.

TTOP350

iTrader: (8)

Need to re-pop that thing...

Twin_Turbo

iTrader: (25)

You can buy a hsr these things are super rare. Theres maybe 5 or so around. 1 is on a callaway tt vette. This one was on ebay brand new a couple years ago. I think jerrywho bought it. Maybe hes the seller

Fast355

iTrader: (2)

There is a very similar marine manifold with a Vortec base that was used on ski boats. One plenum top has 58mm TPI style throttle openings and the other a 90mm 4-bolt LS flange. I have a brand new one that I paid $500 for. I think that one TPi specialty place that is now defunct that was in Mena, Arkansas sold a chrone version of it as well.

https://www.thirdgen.org/forums/alternative-port-efi-intakes/759487-indimar-mcx-marine-vortec.html