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Search: Posts Made By: cocobolo95
Forum: New User Introductions   Today, 09:03 AM
Replies: 2
Views: 40
Posted By cocobolo95
Welcome to the forum. Since your new to the...

Welcome to the forum.

Since your new to the whole v8 thing, here's some useful info for you. Your 1st stop on the tour will be to shoebx site. He has good lt1 info on there. shbox.com...
Forum: LT1 | LT4 | L99 Engine Tech   Today, 08:51 AM
Replies: 1
Views: 33
Posted By cocobolo95
I believe most headers have a larger diameter...

I believe most headers have a larger diameter collector than the stock y pipe. That is why a new y pipe that goes with the headers you choose is usually needed.
Forum: Manual Transmissions | Clutches   07-12-2019, 07:38 AM
Replies: 1
Views: 17
Posted By cocobolo95
The T-56 uses dexron 3 auto trans fluid. The rear...

The T-56 uses dexron 3 auto trans fluid. The rear end 80w-90 gear lube with limited slip additive. The best fluids would be the high dollar sythetic ones like Royal Purple, etc.

If you don't have...
Forum: Parts Wanted   07-09-2019, 07:10 AM
Replies: 3
Views: 202
Posted By cocobolo95
I would stay away from the hypertech. I had one...

I would stay away from the hypertech. I had one when I was new to the lt1 platform. It is a 1 tune fits all tuner. Yes, you can use it to change fan turn on temps, tire & rear gear sizes. But if...
Forum: New User Introductions   07-07-2019, 07:25 AM
Replies: 3
Views: 43
Posted By cocobolo95
If you suspect fuel pump problems, get a fuel...

If you suspect fuel pump problems, get a fuel pressure tester and attach it to valve on fuel rail. Do key on prime, pressure should be about 43 psi.

Since car starts & runs well when warm, I...
Forum: New User Introductions   07-06-2019, 03:21 PM
Replies: 2
  Hey all
Views: 35
Posted By cocobolo95
Welcome to the forum.

Welcome to the forum.
Forum: General Tech   07-06-2019, 03:15 PM
Replies: 2
Views: 102
Posted By cocobolo95
No unplugging cts shouldn't kill all power. It...

No unplugging cts shouldn't kill all power. It should put computer into open loop, speed density mode. Head to the following link to download the 95 service manual. It has a driveability & emissions...
Forum: LT1 | LT4 | L99 Engine Tech   07-06-2019, 05:24 AM
Replies: 10
  Urgent Piston Ring Gap
Views: 5,088
Posted By cocobolo95
Honing the cylinders, unless you went crazy on...

Honing the cylinders, unless you went crazy on them, should not increase the size of the cylinder that much. My thought is defective ring set. Quality control is not what it used to be.

I suggest...
Forum: LT1 | LT4 | L99 Engine Tech   07-06-2019, 05:04 AM
Replies: 1
  Discuss oil pump selection
Views: 82
Posted By cocobolo95
Stay away from the high volume oil pumps. Unless...

Stay away from the high volume oil pumps. Unless you have a giant oversized oil pan. This is because the HV oil pump will pump the oil pan dry very quickly This will cause fluctuation in oil...
Forum: Rear End, Axles & Gearing   07-04-2019, 07:45 AM
Replies: 6
Views: 93
Posted By cocobolo95
It's been a while since I've seen the wp drive....

It's been a while since I've seen the wp drive. Since it sticks out you would have to either cut off part of shaft sticking out. Then plug hole. Or remove drive assembly altogether. Then plug hole in...
Forum: LS1 LT1 COTM   07-04-2019, 07:20 AM
Replies: 1
Views: 43
Posted By cocobolo95
Before we go on a parts changing quest, was your...

Before we go on a parts changing quest, was your original problem a clicking noise or was it a grinding noise? The answer is important as it changes the parts that are affected.

Here is a web...
Forum: LT1 | LT4 | L99 Engine Tech   07-04-2019, 07:12 AM
Replies: 2
Views: 128
Posted By cocobolo95
The tick that goes away when engine warms up, is...

The tick that goes away when engine warms up, is probably caused by too much clearance on 1 or more valve lifters. Or lifters that are wearing out.

Oil pressure needs a second or 2 to build...
Forum: Rear End, Axles & Gearing   07-03-2019, 06:51 AM
Replies: 6
Views: 93
Posted By cocobolo95
As long as it's only the splined shaft that's...

As long as it's only the splined shaft that's bad, you could just install a plug on timing cover hole for wp. I'd use something that will push into the hole, but not hit the splined shaft of wp...
Forum: Rear End, Axles & Gearing   07-02-2019, 08:16 PM
Replies: 6
Views: 93
Posted By cocobolo95
You must remove the timing cover, the timing...

You must remove the timing cover, the timing chain & the cam sprocket to remove the wp drive gear. And hope bearing behind the drive gear isn't stuck.

You can find service manual of the years...
Forum: New User Introductions   07-02-2019, 07:55 PM
Replies: 1
Views: 34
Posted By cocobolo95
Welcome to the forum. Hate to break it to...

Welcome to the forum.

Hate to break it to you, but car's don't magically increase in value when they become antiques. Interest in 4th gen lt1 cars is not high at this minute. Who knows what the...
Forum: Parts Wanted   07-02-2019, 07:28 AM
Replies: 2
Views: 42
Posted By cocobolo95
That's going to be a hard one to find as most...

That's going to be a hard one to find as most people don't want to separate trans from bell.

Here are some places to try. Craigslist has many people parting 4th gens. When you go through the ads,...
Forum: LT1 | LT4 | L99 Engine Tech   07-02-2019, 07:12 AM
Replies: 5
Views: 195
Posted By cocobolo95
I suggest using scan9495 to do a running sensor...

I suggest using scan9495 to do a running sensor scan. See what the sensor data is telling you. If you can't actually drive car, do the scan with it sitting. You should be able to run engine at...
Forum: Chassis | Suspension | Braking | Wheels & Tires   07-01-2019, 07:11 AM
Replies: 1
  Question Parking Brake Button
Views: 35
Posted By cocobolo95
This is not a repair that gets done very often. ...

This is not a repair that gets done very often. You can first try to get the plastic grip off to expose end of metal arm.

My guess is that either something on the release button broke, making it...
Forum: LT1 | LT4 | L99 Engine Tech   06-28-2019, 06:03 AM
Replies: 6
Views: 224
Posted By cocobolo95
Glad to have helped you. When I don't know the...

Glad to have helped you. When I don't know the answer, I try to set members up with someone that does know.
Forum: LT1 | LT4 | L99 Engine Tech   06-28-2019, 05:34 AM
Replies: 5
Views: 156
Posted By cocobolo95
Time to invest in a cherry picker. Or if you...

Time to invest in a cherry picker. Or if you have a sturdy tree limb or swing set, a chain type hoist will do the job. Both available at harbor freight. Don't get the cheapest cherry picker. It's...
Forum: LT1 | LT4 | L99 Engine Tech   06-28-2019, 05:25 AM
Replies: 9
Views: 284
Posted By cocobolo95
Glad it worked out. You probably wanted to get a...

Glad it worked out. You probably wanted to get a welder anyway. The bad stud was a good enough reason to buy it, and keep the wife or girlfriend from complaining about the money spent.
Forum: LT1 | LT4 | L99 Engine Tech   06-26-2019, 02:38 PM
Replies: 6
Views: 224
Posted By cocobolo95
You could try contacting Lloyd Elliot Portworks....

You could try contacting Lloyd Elliot Portworks. Lloyd is a lt1 head expert. Maybe he can ID your heads. I don't know if I spelled his name correctly. But a google search should bring his site up.
Forum: LT1 | LT4 | L99 Engine Tech   06-25-2019, 07:07 AM
Replies: 4
Views: 215
Posted By cocobolo95
Need to pull opti back out to see if spline-ed...

Need to pull opti back out to see if spline-ed shaft might have jumped time because of a worn female spline on cam gear. Go to shoebox site and make sure keyway on spline-ed shaft & female splines...
Forum: New User Introductions   06-24-2019, 07:28 AM
Replies: 5
  Hello
Views: 99
Posted By cocobolo95
You could do it yourself and save the hefty labor...

You could do it yourself and save the hefty labor charge. GM, Delco, & Delphi optis are around $450- $500. MSD opti about the same price. New opti & water pump seals for timing cover are...
Forum: LT1 | LT4 | L99 Engine Tech   06-24-2019, 07:18 AM
Replies: 4
Views: 215
Posted By cocobolo95
Your original 93-94 opti has a removable male...

Your original 93-94 opti has a removable male spline-ed shaft that connects female spline-ed holes on original opti and cam gear. The MSD opti comes with a built in male spline-ed shaft that fits...
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