Although the forum has a search feature, it is often easier to just ask your question. That’s what the forum is for. Well to lessen repeat questions, I’ve attempted to gather together some great discussions on TBI- and Vortec-related performance topics into one big post — perhaps the ultimate post. I have used a running FAQ-type commentary to minimize reading through a ton of posts and so that I can share with you my experiences and expertise. TBI stands for throttle body injection. This was one of the first mass-produced fuel injection systems on GM trucks starting in for the final year of the square box body style. GM introduced a redesigned body style the following year in , which would last 11 years from to TBI-equiped motors included the 4.
How to Assemble Ford C4 Transmissions: Cruise-O-Matic / Select Shift
We offer several versions of this trans for applications up to horsepower. This trans has a low first gear ratio of 3. This trans was built with a Chevy only bolt pattern, but we have a package for Buick, Olds, Pontiac, and Cadillac people so you can enjoy the benefits of this excellent transmission too.
Apr 18, · A common failure on these units when they fail to upshift could be this solenoid stuck open. It’s rare that you see them in pieces like this one, but they do fail stuck open.
That individuality combined with corporate policies limiting maximum displacement for different body styles to produce a multitude of different engines of very similar capacities and outputs. By , for instance, Buick, Chevrolet, Oldsmobile, and Pontiac each offered a cu. While Chevrolet, Oldsmobile, and Buick each had distinct small-block and big-block V8 engine lines, Pontiac really had only one.
It had certain features in common with the contemporary small-block Chevy, such as rocker arms pivoting on studded ball joints rather than rocker shafts a feature that had actually been developed by Pontiac engineers and shared with Chevrolet , but it had some significant internal differences. It was also somewhat bigger and heavier than the Chevrolet engine, with greater growth potential.
Grow the Strato-Streak did — from cubic inches 4, cc in to cu.
LSX 454 Features:
If converting a car, you will need a turbo distributor. OR TI intake there will be no charge air hole, you will have to drill and tap hole for sensor before installing make sure you clean all the chips out! OR Just plug the sensor in and tie wrap the sensor to the harness. Been done before and no harm is done. If using a vintage exhaust manifold you will have to grind a notch in the flange where the turbo bolts to the manifold to clear the number three intake runner or replace the manifold with a unit.
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The easiest way to tell them apart is with their pan shapes. But this photo also illustrates their outward appearance. CHP The password for cool ’90s street performance is Late-model automatic and manual overdrive transmissions are quickly becoming the sweethearts of the street set. Not that long ago, a fast street car meant compromises, including deep gears, high-rpm highway cruising, and poor mileage. But the high-tech ’80s and ’90s have brought us more than just electronic fuel injection.
They also delivered durable automatic overdrive transmissions. While the TH R4 has garnered most of the attention as the performance automatic overdrive of choice, companies such as TCI and Art Carr consider the TH R every bit the ‘s equal in terms of torque capacity and durability. There are several advantages to the TH R: With all these TH R benefits, we thought it deserved a closer look.
This is no more evident than with the TH R. This transmission is the same basic overall length as the Powerglide or Turbo automatics, uses standard flexplates, and uses the same spline slip-yoke as a ‘Glide or a TH The only thing that isn’t the same in terms of just bolting the transmission in the car is the rear transmission mount. The trans-mount location is roughly 6 inches farther rearward than for a TH using the same-style trans mount.
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Only needed if dropping the pan and replacing the ATF filter. Start by raising the car on jackstands no one is considering working under the car with just a tire jack, right? Use four jackstands, as the transmission must be level during the fluid check. Some fluid should pour out – with the engine off, the fluid level in the pan will be higher than it is during operation. However, far more fluid came out of my transmission than should have.
Apr 08, · In case you are still uncertain on where to hook up vacuum line: There is usually a port directly behind the carb. on one of the intake runners. If not there is the port on the bottom backside of carb.(usually for power brakes), or on the front of the carb. at or below the throttle blades.
The two new recalls for ignition switch issues are the latest major campaign since February, when GM began calling back 2. One recall for unintended ignition key rotation covers 6. GM said the fatal crashes occurred in older model full-size sedans being recalled for inadvertent ignition key rotation. There is no conclusive evidence that the defect caused those crashes, GM said.
That has hardened my resolve to set a new industry standard for vehicle safety, quality and excellence. GM CEO said earlier this month the automaker was conducting an ongoing review of all outstanding safety issues with the goal of resolving all outstanding issues by the end of the month, which is today. Earlier this month, GM recalled about 4 million cars for ignition switch problems in two separate campaigns.
GM linked the recall of 3. GM also recalled more than , current-generation Chevrolet Camaros for ignition switch problems linked to three crashes in which air bags failed to deploy. In the previously announced Impala ignition switch recall, GM said it will rework or replace the ignition keys on some cars in the U.
Most common housings for this turbo are 0. This is a good turbo if you have an automatic, and can be daily driven. Somewhat bigger than the TS04, this turbo can make rwhp. It requires an upgraded fuel system. Capable of making rwhp, the T66 is a bigger turbo yet, this is probably as big a turbo as I would recommend for the street, it makes full boost right around rpm on most cars, a significant amount of lag, but not horrendous… full boost being 1.
Slightly bigger than the T66, the T70 is probably not a streetable turbo.
Mar 04, · Holley offers tips on properly setting up the transmission kickdown levers on GM Turbo Hydro and automatic transmissions. The video also demonstrates how to .
Is there any bench top inspection I can do on the turbo? Any turbo tips while the turbo is off the car? Take the oil return tube and make it spotless. Any blockage from oil gunk has to be removed. Some turbo shops recommend replacing it; their warranty is void if you don’t! Do the same with the oil supply line.
An automotive machine shop vat is a good way to make sure they’re clean, or a good soak in carb cleaner. Check the rotating assembly by spinning it by hand; it should rotate freely. Look for any obvious signs of contact, or any damage by debris. You’ll need to look as far up in the housing as you can. If you are really industrious, match mark the housings and remove them to expose the impellers. Word of warning here:
Is it hard to connect the kickdown cable on my chevy turbo 400 transmission?
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Apr 22, · All th’s uses an elec. passing gear hook up. Driver’s side, middle of trans, right above the pan will be a male spade term sticking out for a wire to hook Status: Resolved.
This action typically creates a mechanical symphony as the secondary barrels open, the transmission downshifts, and the speedometer and tachometer sweep clockwise. But if a Turbo was transplanted into an older Pontiac without installing some type of kickdown switch, a large part of the fun could be missing. The most common three-speed automatic transmissions used in performance applications today are the Turbo and Turbo Both are strong, reliable units that are internally calibrated to up-shift in a predetermined range based on a combination of engine load and speed.
And they are also designed to downshift when conditions require additional engine speed to maintain vehicle speed or more commonly, when we stab the throttle to accelerate briskly. As similarly as the two transmissions function, there is a significant difference in the way downshifts occur. The Turbo kickdown function is mechanically operated via a cable mounted on the intake manifold near the carburetor.
When the throttle linkage reaches a specific point, the cable triggers a mechanical detent valve inside the transmission—allowing it to shift into a lower gear. The Turbo uses an electric switch to trigger a detent solenoid on the valve body to produce the same effect.