TPI to Victor EFI Manifold - Throttle body Adapters?
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TPI to Victor EFI Manifold - Throttle body Adapters?
I have been thinking of taking the TPI manifold off and replacing it with the Victor "spider" type EFI intake manifold. I cannot find an intake elbow which will fit the TPI throttle body.
Will or can an LS1 type throttle body be adapted to work with TPI?
Where can I find an elbow, which will fit the intake manifold (4150 style carb) come up 90 degrees to the front of the engine and have a plate to fit the TPI throttle body? I was thinking of using the 502 monoblade ram jet throttle body... intakeelbows.com has only ford and ls1 type adapters, but that was exactly what I am looking for. I emailed him for a custom job but he will not do it, the LT1 has the same TB dimensions but there isnt one for it...
Assuming I can find all this and it bolts together, what will i have to do with the computer? I think this will out do any thing else i can find - the miniram runs nearly a $1200, the other bolt in HSR and whatever dont really deviate from the TPI style power curves. I may be getting a 91 Z28 L98 which runs MAP. Eventually I want to replace that with the World 454 small block w/ low compression and good flowing heads. The EFI Victor will feed that engine and I want to get the turbo installed and running (infrastructure wise) on the L98 before hand.
Any advise? I want a high horse, high RPM demon...!
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Re: TPI to Victor EFI Manifold - Throttle body Adapters?
The 90 degree elbows will require you to use the LS style TB. Edelbrock offers at least 6 different ones. There are no elbows for our twin-blade TBs. There are also elbows for Ford 5.0-style TBs.
Re: TPI to Victor EFI Manifold - Throttle body Adapters?
You would need something custom. See pic below. I went the route of off the shelve type parts. However, in either case sensors and throttle cable hook up will be somewhat custom. I don't think there is a "kit" out there that is completely bolt in.
Re: TPI to Victor EFI Manifold - Throttle body Adapters?
How was your power curve altered? I know the low end would loose some power... but I would expect huge gains on the top end. Also, with this, my cam selection is pretty much unlimited... right?
Re: TPI to Victor EFI Manifold - Throttle body Adapters?
yeah the boosted one isnt cheap at 400 bucks but its a nice looking elbow. I'm debating on swapping my HSR for a vic efi setup just for best air distribution with boost.
Re: TPI to Victor EFI Manifold - Throttle body Adapters?
Those dont use the TPI /LT1 style throttle body tho. Intakeelbows.com doesnt make them either, i tried. Nitrous Outlet/860 performance are the only two making that one 315 dollar one above for LT1 throttle bodys
Re: TPI to Victor EFI Manifold - Throttle body Adapters?
Quote:
Originally Posted by Orr89RocZ
Those dont use the TPI /LT1 style throttle body tho. Intakeelbows.com doesnt make them either, i tried. Nitrous Outlet/860 performance are the only two making that one 315 dollar one above for LT1 throttle bodys
Why not run the LSx throttle body than? I think it's an upgrade.
I've run this style on 3 motor builds so far (including the current one) and it works really nice. I drove my vette to work today, and honestly, it's smoother throttle operation than when it had the TPI style throttle body and miniram last summer.
I still want to push the car into the ocean, but that's due to other things. The intake is good
Re: TPI to Victor EFI Manifold - Throttle body Adapters?
Quote:
Why not run the LSx throttle body than? I think it's an upgrade.
well i was gonna use my holley stealth ram and holley 58mm tb but now i'm considering vic efi and elbow and use a stocker 75mm ls1 tb or a cheaper aftermarket 85-90mm. Doesnt matter i think since the motor is boosted, it will be forcing air thru 3" feed pipe so a larger TB doesnt matter.
Thinking i'm gonna do it since i dont wanna spend 400 for a elbow when Aaron at IntakeElbow can do a elbow for 200 +shipping
IAC and TPS is suppose to be the same signal just different wiring connectors, shouldnt be hard to splice in right?
Re: TPI to Victor EFI Manifold - Throttle body Adapters?
Quote:
Originally Posted by Orr89RocZ
well i was gonna use my holley stealth ram and holley 58mm tb but now i'm considering vic efi and elbow and use a stocker 75mm ls1 tb or a cheaper aftermarket 85-90mm. Doesnt matter i think since the motor is boosted, it will be forcing air thru 3" feed pipe so a larger TB doesnt matter.
Thinking i'm gonna do it since i dont wanna spend 400 for a elbow when Aaron at IntakeElbow can do a elbow for 200 +shipping
IAC and TPS is suppose to be the same signal just different wiring connectors, shouldnt be hard to splice in right?
That was my idea.. Get an elbow from Aaron. A 76MM throttle body should be 3", so apple to apple.
If you can get AAron to weld a cable bracket to the elbow do it. I didn't think of it and ended up making one that bolted to one of the carb studs. And while that's not a huge concern, it was another thing to do.
Re: TPI to Victor EFI Manifold - Throttle body Adapters?
Quote:
Originally Posted by Orr89RocZ
well i was gonna use my holley stealth ram and holley 58mm tb but now i'm considering vic efi and elbow and use a stocker 75mm ls1 tb or a cheaper aftermarket 85-90mm. Doesnt matter i think since the motor is boosted, it will be forcing air thru 3" feed pipe so a larger TB doesnt matter.
Thinking i'm gonna do it since i dont wanna spend 400 for a elbow when Aaron at IntakeElbow can do a elbow for 200 +shipping
IAC and TPS is suppose to be the same signal just different wiring connectors, shouldnt be hard to splice in right?
A nice pictorial of the change and before after dyno results would be awesome!
Re: TPI to Victor EFI Manifold - Throttle body Adapters?
Quote:
Originally Posted by RedGut86
A nice pictorial of the change and before after dyno results would be awesome!
I can get pics of the change but i no longer have the old 383 to compare it to the stealth ram. It will be a boosted 400 motor now so any dyno results will be skewed
Re: TPI to Victor EFI Manifold - Throttle body Adapters?
Any of these SP manifold + intake elbow setups work with the oem hood? what is the difference in the "boosted" elbows? anyone want to buy an unused miniram(if this setup fits)?
Re: TPI to Victor EFI Manifold - Throttle body Adapters?
The boosted elbow is welded inside and out where as the non boosted elbow is mostly welded on the outside. The "860 Performance"elbow is the same one sold by"Nitrous Outlet". I'm using a Edelbrock elbow with LS2 throttle body now. I might be interested in selling my "860 Performance" elbow. In addition it has a nitrous spray bar built into it.
Re: TPI to Victor EFI Manifold - Throttle body Adapters?
Quote:
Originally Posted by CHAMARO
Any of these SP manifold + intake elbow setups work with the oem hood?
I have the edelbrock manifold and low profile elbow, and it will not fit under a stock hood. Its about an inch taller than the HSR, also there isn't enough room for a regular t-stat housing.
Re: TPI to Victor EFI Manifold - Throttle body Adapters?
Quote:
Originally Posted by CHAMARO
Any of these SP manifold + intake elbow setups work with the oem hood? what is the difference in the "boosted" elbows? anyone want to buy an unused miniram(if this setup fits)?
My manifold is milled, and my elbow is custom. Fits under the stock C4 hood, which has roughly 1" less clearance than an fbody.
Had I known then what I do now, I'd have gone with this type of setup on the first try. Very clean and neat packaging. The only thing I'd like to do is replace the 90* bend with an aluminum one with a BOV flange to reduce compressor surge.
Re: TPI to Victor EFI Manifold - Throttle body Adapters?
Quote:
Originally Posted by kairles
I have the edelbrock manifold and low profile elbow, and it will not fit under a stock hood. Its about an inch taller than the HSR, also there isn't enough room for a regular t-stat housing.
Have you tried mounting it so the Tb is on one of the sides? Does it clear the fuel rail? Is that intake the vortec version?
Re: TPI to Victor EFI Manifold - Throttle body Adapters?
anesthes - do you have a picture of your setup by chance? who made your custom elbow? I agree not only is the setup cleaner and easier to work on but air distribution especially while boosted is far superior. From what I am finding out recently my Miniram (and its fuel rails) are not going to be enough. What kind of HP or TQ increase did you see after your converted to SP?
Re: TPI to Victor EFI Manifold - Throttle body Adapters?
Quote:
Originally Posted by CHAMARO
anesthes - do you have a picture of your setup by chance? who made your custom elbow? I agree not only is the setup cleaner and easier to work on but air distribution especially while boosted is far superior. From what I am finding out recently my Miniram (and its fuel rails) are not going to be enough. What kind of HP or TQ increase did you see after your converted to SP?
Re: TPI to Victor EFI Manifold - Throttle body Adapters?
very nice. did you have to modify the fuel rail positions at all? mine would have to come passenger side. what kind of manifold did you use and how did you go about milling the manifold? just mill the carb mount down and drill tap the holes?
Re: TPI to Victor EFI Manifold - Throttle body Adapters?
Quote:
Originally Posted by rippin ron
Have you tried mounting it so the Tb is on one of the sides? Does it clear the fuel rail? Is that intake the vortec version?
yes its the super Vic e-tec/vortec manifold. I think the elbow would clear the fuel rails. Im running a procharger and I didn't want to make new pipes to run the TB on the side.
Re: TPI to Victor EFI Manifold - Throttle body Adapters?
Quote:
Originally Posted by CHAMARO
very nice. did you have to modify the fuel rail positions at all? mine would have to come passenger side. what kind of manifold did you use and how did you go about milling the manifold? just mill the carb mount down and drill tap the holes?
I ran new -6 lines. Feed on the driver side front rail, return on the rear passenger side where the regulator is. The manifold + fuel rails is a holley commander EFI manifold.
Milled the 'carb' pad down a ton, re-tapped the mounting holes. Kept the same bolt pattern for compatibility. The throttle body elbow just clears the fuel rail enough so that the injectors can be swapped. It is about 1/4" above the valve cover, which does require removing the elbow to gain access to the valve cover.. But I needed it to fit under a stock hood.
If the blower didn't make noise, the car would be a sleeper.
Re: TPI to Victor EFI Manifold - Throttle body Adapters?
9 second 1/4 + oem look = my kinda gal
was a machine shop able to do the mill work for you? does the lsx throttle body utilize the same signals for IAC and TPS? are yall using oem ecms with ls tbs? if so i imaging the dfi wouldnt have a problem with the change.
Re: TPI to Victor EFI Manifold - Throttle body Adapters?
Quote:
Originally Posted by CHAMARO
Any of these SP manifold + intake elbow setups work with the oem hood? what is the difference in the "boosted" elbows? anyone want to buy an unused miniram(if this setup fits)?
Here's a pic of my setup just after I got it running (older pic). Its a Vic Jr EFI manifold with a wilson elbow and an accufab TB (ford style 90mm). All barely fits under a stock Iroc hood. I had to mill about .250 - .300 off the bottom of the elbow and roughly .125" off the top. Also, drilled and tapped it for NPT fittings.
Pardon the crappy intake, I'm currently in the process of adding a procharger.
Re: TPI to Victor EFI Manifold - Throttle body Adapters?
I was looking at a few blower waternecks, but the one I ended up using was out of a hot rod catalog called street and performance. I had to modify it as you can see from the pic, but it helped in getting the necessary clearance.
14psi, street tune 
did you have to modify the fuel rail positions at all? mine would have to come passenger side. what kind of manifold did you use and how did you go about milling the manifold? just mill the carb mount down and drill tap the holes? 
9 second 1/4 + oem look = my kinda gal
