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Search took 0.09 seconds. Search: Posts Made By: buwalda
Forum: Pontiac - Street 07-28-2005, 05:16 AM
Replies: 25
Views: 595
Posted By buwalda
Surging can also be caused by a lean mixture....

Surging can also be caused by a lean mixture. Easy to test if you have a choke. Warm the car up & while idling move the choke flap to the closed [ choke 'on' ] position until the engine falters;...
Forum: Pontiac - Race 07-26-2005, 05:12 AM
Replies: 6
Views: 155
Posted By buwalda
Skip, Try advancing initial timing, even...

Skip,
Try advancing initial timing, even if you have to go past 30 degrees, & see if it fixes the hesitation. If it does fix it, use manifold connected vacuum advance to add in the extra...
Forum: Pontiac - Street 07-26-2005, 05:03 AM
Replies: 10
Views: 306
Posted By buwalda
The end plate gap is a controlled leak. As PJ...

The end plate gap is a controlled leak. As PJ said, 0.002" - 0.003" is good.
0.006" will allow more leakage & reduce pump output pressure.
I didn't see Tom McQueen's post on the chamfer, but I...
Forum: Pontiac - Street 07-26-2005, 04:37 AM
Replies: 6
Views: 240
Posted By buwalda
You don't say how much valve lift you have. It...

You don't say how much valve lift you have. It could be coil binding the springs causing the breakage. I would also check your guide-to-retainer clearance.
Forum: Pontiac - Race 07-24-2005, 06:01 AM
Replies: 9
Views: 473
Posted By buwalda
When I was building my engine, I used a temporary...

When I was building my engine, I used a temporary dipstick marking of the oil level just below the windage tray. Once the engine was running, I added oil until the level was at this mark while the...
Forum: Pontiac - Race 07-24-2005, 05:49 AM
Replies: 9
Views: 385
Posted By buwalda
The 670 heads use a plug that has 14mm thread...

The 670 heads use a plug that has 14mm thread diameter & 3/8" thread reach; the thread boss on the plug is flat & is used with a washer that will crush when the plug is tightened.
Later heads, not...
Forum: Pontiac - Race 07-24-2005, 05:43 AM
Replies: 21
Views: 631
Posted By buwalda
Another good read on headers is the...

Another good read on headers is the http://www.burnsstainless.com site.
Forum: Pontiac - Race 07-24-2005, 05:39 AM
Replies: 3
Views: 220
Posted By buwalda
Buy the Crane adjustable vacuum advance unit. It...

Buy the Crane adjustable vacuum advance unit. It has step-by-step instructions which actually work!!
Forum: Pontiac - Race 07-24-2005, 05:22 AM
Replies: 7
Views: 220
Posted By buwalda
Mike, Emailed you.

Mike,
Emailed you.
Forum: Pontiac - Street 07-24-2005, 05:11 AM
Replies: 13
Views: 734
Posted By buwalda
I had a similar combo & had Ross make a set of...

I had a similar combo & had Ross make a set of custom forged pistons with a 'D' shape 34cc dish.
Forum: Pontiac - Street 07-24-2005, 05:09 AM
Replies: 38
Views: 868
Posted By buwalda
Ditto to glhs#116 comments. A 230/236 @ 050...

Ditto to glhs#116 comments.

A 230/236 @ 050 cam & low compression is definitely a candidate for Manifold connected Vacuum Advance. May need 30+ degrees initial. I would set your static initial at...
Forum: Pontiac - Street 07-24-2005, 04:44 AM
Replies: 10
Views: 636
Posted By buwalda
455early bird, Pull out the...

455early bird,
Pull out the sender & bend the float arm down a little to get the correct gauge reading.
Forum: Pontiac - Street 07-22-2005, 05:04 AM
Replies: 3
Views: 195
Posted By buwalda
If you wanted to try stagger jetting, I would put...

If you wanted to try stagger jetting, I would put the larger jets on the side with the deeper plenum.
Forum: Pontiac - Street 07-22-2005, 04:47 AM
Replies: 10
Views: 636
Posted By buwalda
My sender is a 90 ohm unit, not sure about yours....

My sender is a 90 ohm unit, not sure about yours. Mine has '90' stamped on the cover of the resistance slider. You should measure 0 ohms with the float at one end of it's travel & about 90 ohms at...
Forum: Pontiac - Street 07-22-2005, 04:41 AM
Replies: 14
Views: 492
Posted By buwalda
First thing you need to do is find a new...

First thing you need to do is find a new mechanic. If the manifold vacuum adv is properly dialed in, it enhances tip in throttle response. 'Sluggish' could be caused by a whole lot of things. Hard to...
Forum: Pontiac - Street 07-22-2005, 04:30 AM
Replies: 25
Views: 968
Posted By buwalda
I have a 3/16" hole drilled through the side of...

I have a 3/16" hole drilled through the side of the dist body, in line with the end of the dist shaft. The hole lines up with the drain hole on the right side valley at the rear of the block, so that...
Forum: Pontiac - Race 07-19-2005, 05:52 AM
Replies: 17
Views: 193
Posted By buwalda
I have a 66 GTO that had factory a/c originally....

I have a 66 GTO that had factory a/c originally. It had a hole in the f/wall on the right side that supplied the fresh air from the windshield plenum. I used this as the source for cold air. I used a...
Forum: Pontiac - Street 07-19-2005, 05:16 AM
Replies: 12
Views: 267
Posted By buwalda
The MSD wires that come in kit form are...

The MSD wires that come in kit form are excellent. You get the crimping tool with the kit & you can cut the wires to suit your set up. The supplied leads are quite long & I was able to make some of...
Forum: Pontiac - Street 07-19-2005, 05:09 AM
Replies: 5
Views: 606
Posted By buwalda
Marvin, The AFB style carbs are great...

Marvin,
The AFB style carbs are great carbs. My advice for your 350 would be to use the 600 cfm model if you just want a stock type engine for cruising & good economy. If you intend to put...
Forum: Pontiac - Street 07-19-2005, 04:54 AM
Replies: 5
Views: 522
Posted By buwalda
I have had a couple of sets, one measured 81-82cc...

I have had a couple of sets, one measured 81-82cc & the other 83-84cc.
Forum: Pontiac - Street 07-19-2005, 04:46 AM
Replies: 5
Views: 526
Posted By buwalda
Sorry, meant to say pointed at the exh valve.

Sorry, meant to say pointed at the exh valve.
Forum: Pontiac - Street 07-19-2005, 04:44 AM
Replies: 5
Views: 526
Posted By buwalda
If you could relocate the spark plug so that it...

If you could relocate the spark plug so that it is aimed at the intake valve, you would have a modern chamber design!
Great job you've done.
Forum: Heating & Cooling TECH 07-19-2005, 04:38 AM
Replies: 7
Views: 351
Posted By buwalda
I do not agree with the above statement that...

I do not agree with the above statement that 'ported allows you to you run more initial advance'.

In fact, it is the opposite. Running with ported vac adv, the limit of initial timing will be set...
Forum: Pontiac - Race 07-17-2005, 06:10 AM
Replies: 46
Views: 1,527
Posted By buwalda
Doug, I have replaced the paper clip...

Doug,
I have replaced the paper clip circlip with the type in your pic above, many times. The OD of the circlip depends on the type of lifter. The Sealed Power lifters that I used to get [ &...
Forum: Pontiac - Street 07-17-2005, 04:51 AM
Replies: 8
Views: 621
Posted By buwalda
I presume the "14Hz" & "10Hz" you mention are...

I presume the "14Hz" & "10Hz" you mention are meant to be 14" & 10" of vacuum,, with vacuum advance respectively hooked to manifold & then ported. Obviously your engine responds well to manifold...
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