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Forum: 68-69 GTO Tempest & LeMans TECH 03-25-2024, 03:02 PM
Replies: 12
Views: 422
Posted By Kenth
I´d say the bottom rod #9793342 is the current...

I´d say the bottom rod #9793342 is the current SR rod for 1968-on Pontiac V8´s

Timeline for API specs:
Forum: Pontiac - Street 03-25-2024, 04:36 AM
Replies: 4
Views: 192
Posted By Kenth
You´ll need a 1968 and later damper, crank...

You´ll need a 1968 and later damper, crank pulley(s) w/reinforcement plate, water pump pulley matching WP snout length, 1969 is 4" and 1970-later is 4.5".
And if you have 3/8-7/16 belt steering...
Forum: Pontiac - Street 03-19-2024, 04:22 AM
Replies: 33
Views: 685
Posted By Kenth
Looks like they added two more places for the...

Looks like they added two more places for the fuel to leak from.
Forum: Pontiac - Street 03-15-2024, 04:10 PM
Replies: 20
Views: 552
Posted By Kenth
The idle/low speed circuit is a separate circuit...

The idle/low speed circuit is a separate circuit independent of the main jetting.
If the main jetting were to affect the idle/low speed circuit, the engine would not run at all.
So it doesn't...
Forum: Pontiac - Street 03-15-2024, 06:47 AM
Replies: 20
Views: 552
Posted By Kenth
1968-74 primary rods with "B" suffix are used...

1968-74 primary rods with "B" suffix are used only in Qjets with the APT adjustment located in the throttle body from factory.

Primary rods w/o suffix are used in all 1965-67 Qjets.

And,...
Forum: 68-69 GTO Tempest & LeMans TECH 03-12-2024, 06:31 AM
Replies: 9
Views: 344
Posted By Kenth
Your Quadrajet intake 10003395 will fit just fine...

Your Quadrajet intake 10003395 will fit just fine on your 1969 350, there is NO mismatch whatsoever.

And your truck M4ME will make a very good performer once calibrated accordingly.

AS for the...
Forum: 68-69 GTO Tempest & LeMans TECH 03-12-2024, 06:13 AM
Replies: 12
Views: 422
Posted By Kenth
The small fonts 5 Qts looks like the 9793342...

The small fonts 5 Qts looks like the 9793342 1968-on rod.

6 Qts were used on 1967 engines (and 1966 as a service replacement).

5 Qts on all others.
Forum: Pontiac - Street 03-10-2024, 08:26 AM
Replies: 39
Views: 1,777
Posted By Kenth
Pontiac recommends straight 30 or 10w40 for the...

Pontiac recommends straight 30 or 10w40 for the Ram Air engines that has the crank grinded .001" smaller than std, .0055"-.0061" piston clearance, deleted oil shields on valve springs and 3.73:1 -...
Forum: Pontiac - Street 03-08-2024, 04:50 AM
Replies: 9
Views: 644
Posted By Kenth
Do the "tip-in" test with the choke-blade or the...

Do the "tip-in" test with the choke-blade or the palm of your hand at 2200 rpm and see what it shows.

If the engine picks up more than 150 rpms you may want to enrich the mixture, as in larger...
Forum: Pontiac - Street 03-04-2024, 04:51 PM
Replies: 31
Views: 1,371
Posted By Kenth
20w50 viscosity engine oil is the usual cause for...

20w50 viscosity engine oil is the usual cause for ticking lifters.

Recipe is 10w30 as the manufacturer recommends for viscosity.
Forum: Pontiac - Street 03-04-2024, 04:17 AM
Replies: 41
Views: 1,800
Posted By Kenth
IIRC the TH350 detent cable in a 1971 LeMans...

IIRC the TH350 detent cable in a 1971 LeMans attaches to the accelerator pedal?

As for the AFB intake/carb i´m with B-man, no problems.

The 1970 4 barrel intake needs a Quadrajet, don´t mess...
Forum: 70-73 Firebird & TA TECH 03-03-2024, 05:46 PM
Replies: 14
Views: 1,437
Posted By Kenth
Great find, congrats!

Great find, congrats!
Forum: 68-69 GTO Tempest & LeMans TECH 03-03-2024, 05:20 PM
Replies: 7
Views: 407
Posted By Kenth
That was really odd. 9270 and 9273 was...

That was really odd.
9270 and 9273 was specificly calibrated for the RAIV, 8270 and 9273 was not.

Would love to see the broadcast sheets on these cars!

AMA on 1969 Tempest and Firebird carb...
Forum: Tri-Power Tech 03-03-2024, 05:01 PM
Replies: 1
Views: 202
Posted By Kenth
You may need to adjust the choke rod. Adjust to...

You may need to adjust the choke rod. Adjust to 1/16".
Forum: Pontiac - Street 03-03-2024, 04:46 PM
Replies: 15
Views: 793
Posted By Kenth
f you put a 1/8" Allen key between the starter...

f you put a 1/8" Allen key between the starter gear shaft and flexplate/flywheel teeth but not be able to twist the key you´re good.

I´ve been using the paper clip in the past with mixed success,...
Forum: 68-69 GTO Tempest & LeMans TECH 03-01-2024, 05:45 PM
Replies: 7
Views: 407
Posted By Kenth
1. No. 2. 7034973 on 8270/8273 and 7037576...

1. No.

2. 7034973 on 8270/8273 and 7037576 on 9270/9273.

HTH
Forum: Pontiac - Street 03-01-2024, 04:49 PM
Replies: 30
Views: 1,110
Posted By Kenth
Any 1976 M4MC/ME is good except 1976 Olds still...

Any 1976 M4MC/ME is good except 1976 Olds still using the auxilary power piston.

FWIW
Forum: 68-69 GTO Tempest & LeMans TECH 03-01-2024, 06:26 AM
Replies: 46
Views: 2,122
Posted By Kenth
Some Pontiac info on the RAII engine:

Some Pontiac info on the RAII engine:
Forum: 68-69 GTO Tempest & LeMans TECH 02-29-2024, 10:08 AM
Replies: 46
Views: 2,122
Posted By Kenth
I have found the 69 units had the date codes...

I have found the 69 units had the date codes stamped onto the baseplates only until mid-Dec 1968.
Forum: 64-65 GTO Tempest & LeMans TECH 02-29-2024, 09:44 AM
Replies: 6
Views: 315
Posted By Kenth
1965 Muncie, M12, Standard Duty 1:st gear not...

1965 Muncie, M12, Standard Duty 1:st gear not synchronized.

1965 Ford Dearborn, M13, all forward gears synchronized.
Forum: Pontiac - Street 02-27-2024, 06:01 AM
Replies: 15
Views: 663
Posted By Kenth
I'm surprised more people aren't bringing up the...

I'm surprised more people aren't bringing up the issue of old dried out power valves in Holley carburetors.
Of all the Holley/Autolite carburetors I've helped people with, these are the single...
Forum: 68-69 GTO Tempest & LeMans TECH 02-26-2024, 03:24 PM
Replies: 46
Views: 2,122
Posted By Kenth
No AC is correct for Firebird 400 H.O. 4 Speed. ...

No AC is correct for Firebird 400 H.O. 4 Speed.

GTO 400 H.O. 4 Speed w/3.23:1 gears could have AC though.
Forum: Pontiac - Street 02-26-2024, 02:27 PM
Replies: 15
Views: 663
Posted By Kenth
Adding vacuum advance at idle makes stronger...

Adding vacuum advance at idle makes stronger vacuum signal in intake and atmospheric pressure will push more fuel thru the idle circuit.

I would look for dried up, stiffened, power valves not...
Forum: 69-71 Judges only TECH 02-26-2024, 12:40 PM
Replies: 2
Views: 443
Posted By Kenth
Broken off piece is were the cable attaches with...

Broken off piece is were the cable attaches with #180016 Bolt (1/4" - 20 x 1/2"), washer (9/32" I.D. x 47/64" O.D.) and clip, cable to housing.
Forum: 68-69 GTO Tempest & LeMans TECH 02-26-2024, 07:15 AM
Replies: 46
Views: 2,122
Posted By Kenth
Never knew that 1969 Tempest 350 H.O. also used...

Never knew that 1969 Tempest 350 H.O. also used the 744 camshaft?

From 1969 Tempest AMA specs:
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