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Search: Posts Made By: F-BIRD'88
Showing results 1 to 50 of 498
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Forum: Tech / General Engine
05-10-2023, 01:42 PM
Replies: 22
Views: 1,715
Posted By F-BIRD'88

Re: Proform Valve cover baffles....junk?

Does anybody make a PCV valve that has a clear plastic case . So you could observe the action of the internal pindle valve and see if oil is being sucked in.
Old 60's era Ford and Chrysler PCV...
Forum: Tech / General Engine
05-01-2023, 04:21 PM
Replies: 29
Views: 1,118
Posted By F-BIRD'88

Re: Edelbrock Airgap Intake Hood Clearance

On any carbed F body car you want a electric "pusher pump" at the back near the tank to help push the fuel to the engine mounted mechanical pump. Fuel line routing is important.
A fuel RETURN LINE...
Forum: Tech / General Engine
05-01-2023, 04:13 PM
Replies: 29
Views: 1,118
Posted By F-BIRD'88

Re: Edelbrock Airgap Intake Hood Clearance

You still also want the good old GM L88 L72 drop base air cleaner base. It is just flat out BETTER than any other 14x3 drop base air cleaner.
The base itself is not really expensive.
Mod it to fit...
Forum: Tech / General Engine
05-01-2023, 04:10 PM
Replies: 29
Views: 1,118
Posted By F-BIRD'88

Re: Edelbrock Airgap Intake Hood Clearance

Yoy've got the AVS2 carb so you do not need to worry about the choke horn. Its only a holley carb issue.
The carb body heat issue with eddy and carter carbs is solved by A: blocking off or...
Forum: Tech / General Engine
05-01-2023, 01:26 PM
Replies: 29
Views: 1,118
Posted By F-BIRD'88

Re: Edelbrock Airgap Intake Hood Clearance

Yiu can prove fir yoyrself if the L88 air cleaner lid is too close to the carb choke horn by back to back ¼ mike drag testing with and without adding a air cleaner / carb SPACER RING for ET and MPH...
Forum: Tech / General Engine
05-01-2023, 01:18 PM
Replies: 29
Views: 1,118
Posted By F-BIRD'88

Re: Edelbrock Airgap Intake Hood Clearance

It is unfortunate that someone here is hell bent on not allowing you to get the information needed on the hiws and whys of fitting the perfirner rpm and air gap version intakes under your stock...
Forum: Tech / General Engine
04-30-2023, 10:37 PM
Replies: 29
Views: 1,118
Posted By F-BIRD'88

Re: Edelbrock Airgap Intake Hood Clearance

On the oem GM cars with a OEM Holley carb the carb choke horn was shorter height than the typical aftermarket performance Holley carbs are.
Thats why you need to cut off that choke horm.
Other...
Forum: Tech / General Engine
04-30-2023, 12:29 PM
Replies: 29
Views: 1,118
Posted By F-BIRD'88

Re: Edelbrock Airgap Intake Hood Clearance

Do not let sofakibg lead you astray.
Its the BASE that matters. The lids are the same.
The GM L72/L88 base allows 1" lower height than any all the typical aftermarket 14x3" air cleaners.
A 14x 2"...
Forum: Tech / General Engine
04-29-2023, 02:28 PM
Replies: 29
Views: 1,118
Posted By F-BIRD'88

Re: Edelbrock Airgap Intake Hood Clearance

You need the old GM muscle car era drop base air cleaner from a L88. or a L72 427 or 69 chevelle. 396. 1" more clearance than a aftermarket drop base eddy, moroso etc A/C.. 14x3.
You really only...
Forum: Tech / General Engine
04-08-2023, 12:00 PM
Replies: 14
Views: 14,293
Posted By F-BIRD'88

Re: Heads

Often a 9 looks like a 8 on sbc heads.
Forum: Tech / General Engine
04-08-2023, 11:58 AM
Replies: 14
Views: 14,293
Posted By F-BIRD'88

Re: Heads

Never seen nor heard of a 820 sbc head. But lots of 920 heads. Its a pre '75 76 cc large chamber head. Heavier casting than late 462624 or 882.
A nicer head. much like a 441 head. I have a pair...
Forum: Tech / General Engine
04-06-2023, 10:47 AM
Replies: 11
Views: 1,261
Posted By F-BIRD'88

Re: What heads came on 89 350?

The 083 heads are very modest in stock form.
But get very good when fully ported with bigger 2.02x1.60 valves.
The lowest cylinder head parameter in DTD models a stock 083 head. Flow is just under...
Forum: Tech / General Engine
04-06-2023, 10:39 AM
Replies: 6
Views: 457
Posted By F-BIRD'88

Re: Is this an L98?

Looks like a TBI motor.. A L98 will have #083 or #217 cast heads.. The tbi motors have the swirl port heads.
Forum: Tech / General Engine
04-02-2023, 10:51 PM
Replies: 17
Views: 779
Posted By F-BIRD'88

Re: Why did GM only use one PCV valve?

When the engine is @WOT the crankcase blowby air goes into the intake plenum AND into the throttle body too. The PCV is "open". vs its pindle valve p osition when at idle "closed" (its not actually...
Forum: Tech / General Engine
04-02-2023, 01:39 PM
Replies: 6
Views: 620
Posted By F-BIRD'88

Re: is this predetonation?

Predetonation as a combustion term does not exist.
But Pri ignition (self ignition before the spark occurs) can be followed by detonation . ( charge explosion after the ignition point. Detonation is...
Forum: Tech / General Engine
04-02-2023, 10:59 AM
Replies: 16
Views: 853
Posted By F-BIRD'88

Re: A bored 305?

What exactly is the big issue. This engine ,after who knows how many dyno runs over the whole course and being installed and rung out in the car . Who knows if it was over reved and or saw detonation...
Forum: Tech / General Engine
04-01-2023, 12:34 PM
Replies: 16
Views: 853
Posted By F-BIRD'88

Re: A bored 305?

Without evidence. .......?
Forum: Tech / General Engine
03-31-2023, 01:38 PM
Replies: 16
Views: 853
Posted By F-BIRD'88

Re: A bored 305?

If 400 hp is not enough for you lower the compression ratio and supercharge it.
About 35-40% more HP than the N/A high cr combo version. (larger chamber 1.94 heads dished pistons) 7.5:1 cr for boost...
Forum: Tech / General Engine
03-31-2023, 12:24 PM
Replies: 16
Views: 853
Posted By F-BIRD'88

Re: A bored 305?

Here is an example of a 400 hp 7000 rpm+ 305.
I would have used a solid lifter cam like the Comp magnum 294S-10 cam, but.....

When hot rodding a 305 just keep in mind the small bore limits you to...
Forum: Tech / General Engine
02-23-2023, 10:13 AM
Replies: 10
Views: 902
Posted By F-BIRD'88

Re: .010 Short timing chain for 305 roller cam?

True. and I never buy the roller type chains.
Have always used the factory style link belt chain and gears. They seem to last longer.
Forum: Tech / General Engine
02-22-2023, 02:24 PM
Replies: 10
Views: 902
Posted By F-BIRD'88

Re: .010 Short timing chain for 305 roller cam?

What matters is how many degress back and forth rotation the crank moves before the cam gear moves.
Forum: Tech / General Engine
02-21-2023, 10:18 AM
Replies: 26
Views: 20,340
Posted By F-BIRD'88

Re: diff between 305 and 305 HO

The "H" and the "O".
Forum: Tech / General Engine
02-08-2023, 08:17 PM
Replies: 3
Views: 916
Posted By F-BIRD'88

Re: 305 or 350?

A 305 is great for street supercharging.
Forum: Tech / General Engine
02-08-2023, 08:14 PM
Replies: 12
Views: 513
Posted By F-BIRD'88

Re: Fel pro 1094 steel gasket

Never have I had a problem with the shim head gaskets.
Forum: Tech / General Engine
02-08-2023, 11:59 AM
Replies: 12
Views: 513
Posted By F-BIRD'88

Re: Fel pro 1094 steel gasket

Or the socket cracked.
Forum: Tech / General Engine
02-08-2023, 01:59 AM
Replies: 15
Views: 872
Posted By F-BIRD'88

Re: L98 out of 86 vette

If the heads are #462624 heads. don't expect much. These are VERY LAME HEADS.
Find a better cylinder head.
Forum: Tech / General Engine
02-08-2023, 01:56 AM
Replies: 15
Views: 872
Posted By F-BIRD'88

Re: L98 out of 86 vette

Converter stall:. More is better if you want to accelerate hard.
A 9.5" (245mm) converter is none too much.
( stall range 2800 4500 rpm)
A stock "Iroc" converter or a "S10" converter will work...
Forum: Tech / General Engine
02-08-2023, 01:49 AM
Replies: 12
Views: 513
Posted By F-BIRD'88

Re: Fel pro 1094 steel gasket

Maybe you left a Cherrios on the piston when you put the cylinder head on.
Or, a Fruity Pebbles.🤗
Forum: Tech / General Engine
02-07-2023, 09:41 PM
Replies: 12
Views: 513
Posted By F-BIRD'88

Re: Fel pro 1094 steel gasket

The engine backfired or the exhaust poped.
Fuwl explosion in exhaiust system

Whats that got to do with a head gasket?
If you are running it on a stand. likley incorrect ignition timing.
Forum: Tech / General Engine
02-07-2023, 06:07 AM
Replies: 15
Views: 872
Posted By F-BIRD'88

Re: L98 out of 86 vette

Melling #22280 hyd roller. the popular pac beehive springs + comp #787-16 retainer combo work well.
Will need long slot rockers or roller rockers.
Enough cam to make it fun and sound the part yet...
Forum: Tech / General Engine
02-07-2023, 01:22 AM
Replies: 15
Views: 872
Posted By F-BIRD'88

Re: L98 out of 86 vette

Not enough info yet.
Gears, converter stall.
Rpm range desired.

Flat tappet or roller cam?
Almost all hi perf hyd roller cams will need upgrades to the valvetrain to acommodate increased valve...
Forum: Tech / General Engine
02-02-2023, 01:22 PM
Replies: 23
Views: 3,191
Posted By F-BIRD'88

Re: Stealth Ram has been discontinued

There are lots of these around on the used market.
They are tall because the longer runner length creates the intended engine rpm range where big torque output is desired. (modest street friendly...
Forum: Tech / General Engine
02-02-2023, 11:27 AM
Replies: 23
Views: 3,191
Posted By F-BIRD'88

Re: Stealth Ram has been discontinued

You can find a lot of these used.
The vortec cylinder head version can be bought from Speedmaster79. They sell just the manifold base.
Good news that Holley/Weiand is going to release a modern...
Forum: Tech / General Engine
01-31-2023, 09:07 PM
Replies: 15
Views: 1,322
Posted By F-BIRD'88

Re: Proform center bolt valve cover leak

Good call on the hold down bolts length check.
And finding the valve cover flange interference.
Nixay on the Blue RTV.. Stack up 2 gaskets.
Forum: Tech / General Engine
01-31-2023, 05:40 AM
Replies: 16
Views: 868
Posted By F-BIRD'88

Re: Is it time for an engine replacement/swap?

Check the EGR system.. Blocked EGR passages or a dead EGR valve will create detonation.
If the engine is not worn out why rebuild it.
Start with a basic compression test.
As long as the engine...
Forum: Tech / General Engine
01-31-2023, 01:47 AM
Replies: 88
Views: 2,911
Posted By F-BIRD'88

Re: Lifter advice

Someone is off their meds again..
I have had good luck running MolySlip E Oil Supplement in Rotella T 15W-40 oil in engines with Flat tappet high perf cams and high perf valve springs.
The Moly...
Forum: Tech / General Engine
01-30-2023, 10:08 PM
Replies: 15
Views: 1,322
Posted By F-BIRD'88

Re: Proform center bolt valve cover leak

Aluminum rocker arms have rather thick body over the top of the roller tip. for strength.
The +.100" valves also move that rocker higher up.
No mystery the rockers are too close to the rocker...
Forum: Tech / General Engine
01-30-2023, 09:46 PM
Replies: 88
Views: 2,911
Posted By F-BIRD'88

Re: Lifter advice

You need a much bigger shovel.

We're talking about a street strip SBC .
Forum: Tech / General Engine
01-30-2023, 10:26 AM
Replies: 88
Views: 2,911
Posted By F-BIRD'88

Re: Lifter advice

Many do not know the difference between a solid street roller and a race only roller setup Which uses such high pressure springs 275-300. -700++ open.
Thats race only.. Yes roller bearing service...
Forum: Tech / General Engine
01-30-2023, 01:37 AM
Replies: 88
Views: 2,911
Posted By F-BIRD'88

Re: Lifter advice

A 10X $$$ the cost solution required for a $10 problem. Limits perf in any all SBC's and all LSX engines.
This is the engine platforn where end users end up ditching a $$$ hyd roller for a solid...
Forum: Tech / General Engine
01-29-2023, 07:50 PM
Replies: 88
Views: 2,911
Posted By F-BIRD'88

Re: Lifter advice

Not on a gen 1 based sbc.. You can waste your money trying again and again.
The smart money kniws better.
There are many more who eliminate the perf limitations of the hyd roller lifters in a sbc...
Forum: Tech / General Engine
01-29-2023, 03:44 PM
Replies: 88
Views: 2,911
Posted By F-BIRD'88

Re: Lifter advice

The most over thought, expensive , 12 second car ever built.
Forum: Tech / General Engine
01-29-2023, 03:07 PM
Replies: 88
Views: 2,911
Posted By F-BIRD'88

Re: Lifter advice

Limited by the hyd lifters shortcomings..
You're paying more, for less car performance.
Forum: Tech / General Engine
01-29-2023, 02:55 PM
Replies: 88
Views: 2,911
Posted By F-BIRD'88

Re: Lifter advice

If you are going racing use solid roller lifters.
If you are doing a semi serious street/ strip build use solid roller lifters on a (solid) street roller cam.
Hydraulics are for gurlie men.
Forum: Tech / General Engine
01-23-2023, 08:38 AM
Replies: 20
Views: 1,344
Posted By F-BIRD'88

Re: I thought narrow body Scorpion rockers fit our valve cover. They most certainly d

If your heads have (non OEM stock length) +.100" longer valves then the top of a rocker arm over the tip is going to be also +.100" higher when the valve is closed.
This also will effect where the...
Forum: Tech / General Engine
01-16-2023, 07:20 PM
Replies: 6
Views: 463
Posted By F-BIRD'88

Re: 388 stroker

You might be at 420 horsepower.
You really got to step on it to make 500 hp .Even more to make 600 HP from a 388 cid sbc .
Supercharging is a great path to that for a street machine.
Forum: Tech / General Engine
01-16-2023, 07:16 PM
Replies: 14
Views: 1,037
Posted By F-BIRD'88

Re: Firing order swap cam kit?

Re: firing order swap:
You must have a LOT of money to waste.❗️
Forum: Aftermarket Product Review
01-11-2023, 11:46 AM
Replies: 19
Views: 13,518
Posted By F-BIRD'88

Re: Cheap ebay unbranded bare aluminum heads

On 305's even the oem 305 specific heads chamber overhangs the 3.736" 305 cylinder bore in a few spots so don't sweat the chamber overhang of other heads on a 305. Anything with a 1.94" or smaller...
Forum: Tech / General Engine
12-28-2022, 05:53 PM
Replies: 37
Views: 982
Posted By F-BIRD'88

Re: Any recommendations for 1.6 rockers?

The oem style ball stud stamped steel rocker
only show high friction when they are brand new.
Once they break in and create a seat in the rocker for the ball to ride on the friction is MUCH LOWER....
Forum: Tech / General Engine
12-28-2022, 12:40 PM
Replies: 37
Views: 982
Posted By F-BIRD'88

Re: Any recommendations for 1.6 rockers?

I belive that the Scorpion rockers have a lifetime warranty.. Something for you to check.
These rockers typically out live the engine in the street strip hi perf application.
Showing results 1 to 50 of 498
 
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