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Forum: Pontiac - Street 01-07-2024, 07:31 PM
Replies: 9
Views: 1,297
Posted By helmerrock
Pretty much the same cam. Like a Summit 2801. I...

Pretty much the same cam. Like a Summit 2801. I used Spotts and lifters from him. All good. I was careful with break in. Pushrods all rotating. Lifters are quiet. I am happy with parts from Paul...
Forum: 70-72 GTO Tempest & LeMans TECH 11-27-2023, 04:01 PM
Replies: 1
Views: 381
Posted By helmerrock
Look like bumper bracket to frame bolts

Look like bumper bracket to frame bolts
Forum: 66-67 GTO Tempest & LeMans TECH 11-03-2023, 07:10 PM
Replies: 14
Views: 907
Posted By helmerrock
You can strip the anodize with oven cleaner and...

You can strip the anodize with oven cleaner and wrap in plastic. Then sand working down to 600 or 800. Fix Ann dents along the way. Then learn to polish with the right wheels and compounds. You will...
Forum: Pontiac - Street 07-28-2023, 04:17 PM
Replies: 82
Views: 4,388
Posted By helmerrock
I ran a 2800 in a 350P with 8.8 compression and...

I ran a 2800 in a 350P with 8.8 compression and it ran excellent. This was a “temporary “ ending while I redid original 400 motor. Ran very well. I have the cam and matched lifters saved (broken in...
Forum: 66-67 GTO Tempest & LeMans TECH 12-30-2022, 07:11 PM
Replies: 40
Views: 3,839
Posted By helmerrock
You will need a 60” driveshaft. The TH-400...

You will need a 60” driveshaft. The TH-400 driveshaft is a different length. The yoke is different also
Forum: Pontiac - Street 11-20-2022, 11:48 AM
Replies: 12
Views: 1,173
Posted By helmerrock
More pics

More pics
Forum: Pontiac - Street 11-20-2022, 11:45 AM
Replies: 12
Views: 1,173
Posted By helmerrock
Pics

Pics
Forum: Pontiac - Street 11-18-2022, 03:29 PM
Replies: 12
Views: 1,173
Posted By helmerrock
Stuck Quadrajet

I picked up a 69 Quadrajet that is in good shape and complete. It may have been cleaned and left on a shelf for some time. The throttle shafts are stuck, the choke shaft is stuck and the rear two...
Forum: 61-77 GTO, Tempest & LeMans Parts For SALE 08-01-2022, 02:14 PM
Replies: 2
Views: 757
Posted By helmerrock
TTT $50.00

TTT

$50.00
Forum: Pontiac - Street 07-30-2022, 06:58 PM
Replies: 13
Views: 1,053
Posted By helmerrock
I’m using a Luk 10.5 in my 67 with 3:55 gears and...

I’m using a Luk 10.5 in my 67 with 3:55 gears and maybe 360 HP. Gets the job done and very smooth without big pedal pressure. Pretty much stock. Great for street
Forum: Pontiac - Street 07-30-2022, 06:51 PM
Replies: 13
Views: 1,053
Posted By helmerrock
I’m using a Luk 10.5 in my 67 with 3:55 gears and...

I’m using a Luk 10.5 in my 67 with 3:55 gears and maybe 360 HP. Gets the job done and very smooth without big pedal pressure. Pretty much stock. Great for street
Forum: 61-77 GTO, Tempest & LeMans Parts For SALE 05-12-2022, 10:40 PM
Replies: 2
Views: 757
Posted By helmerrock
66-67 GTO radiator

This is a Desert Cooler that was used for about 5 years 5000 miles max. It is 4 core for non A/C good for std trans and has the auto trans cooler fittings Clean inside has a few minor dents...
Forum: 66-67 GTO Tempest & LeMans TECH 05-10-2022, 07:44 PM
Replies: 2
Views: 699
Posted By helmerrock
The real information

https://www.mcnallyinstitute.com/what-is-the-largest-size-engine-in-a-67-gto/
Forum: Electrical Tech 03-15-2022, 06:22 PM
Replies: 4
Views: 767
Posted By helmerrock
Thanks Clay! I appreciate you taking time to...

Thanks Clay!

I appreciate you taking time to respond

Steve
Forum: Electrical Tech 03-15-2022, 11:18 AM
Replies: 4
Views: 767
Posted By helmerrock
67 GTO Engine wiring harness

67 GTO WT 400 (not HO) I’m replacing the solenoid on a Delco starter. The wiring harness has a 10 gage wire that is on the lug for the positive battery feed and a purple wire to the “S” terminal on...
Forum: Pontiac - Street 02-17-2022, 09:18 PM
Replies: 34
Views: 5,697
Posted By helmerrock
Thanks for all the feedback. Convinced to go...

Thanks for all the feedback. Convinced to go with DB redlines. Diamondback III or SS? Any feedback on the SS?
Forum: Pontiac - Street 02-15-2022, 08:52 PM
Replies: 34
Views: 5,697
Posted By helmerrock
Tires

Looking for recommendations for 225 70/14 tires. Best redlines? Best brand RWL’s? See a lot of bad press on BF Goodrich Radial T/A’s Still on the fence redlines? RWL’ s? 3/8 white stripes? Any...
Forum: Pontiac - Street 12-02-2021, 01:56 PM
Replies: 9
Views: 1,496
Posted By helmerrock
I’m using stock springs from Paul Spotts. Cam...

I’m using stock springs from Paul Spotts. Cam will be 2801 summit. Pretty much a stock build. This is my first time getting into head work, in past projects I trusted someone else to do my head...
Forum: Pontiac - Street 12-02-2021, 09:49 AM
Replies: 9
Views: 1,496
Posted By helmerrock
Retainer to seal clearance

I am in the process of preparing a set of 061 heads. I’ve had the guides cut for PC seals and have new valves stock length single groove. I’m finding that the stock retainers are about.050 too long...
Forum: Pontiac - Street 09-20-2021, 07:18 PM
Replies: 12
Views: 1,789
Posted By helmerrock
Exhaust manifold prep

Finally putting my original engine back together. Exhaust manifolds (cast logs) have light surface rust and in nice shape. What is a good prep to keep the manifolds looking good. Mostly stock. Paint?...
Forum: Pontiac - Street 09-10-2021, 06:49 AM
Replies: 27
Views: 3,825
Posted By helmerrock
Engine removal questions

I’m getting ready to pull the engine out of my 67 GTO I have a good 2 Ton cherry picker and the Mac tools tilter. I plan on pulling the motor and 4 speed Muncie together as a unit. Will I need to...
Forum: Performance Parts For Sale/Wanted 08-17-2021, 02:02 PM
Replies: 6
Views: 972
Posted By helmerrock
I have a set new used for less than a day on my...

I have a set new used for less than a day on my 67. Just a little too high for what I wanted. You will need to adjust the mounting pads or the rear axle if it an original 65. PM me if you are...
Forum: 66-67 GTO Tempest & LeMans TECH 05-07-2021, 04:50 PM
Replies: 1
Views: 1,087
Posted By helmerrock
You should be good. I did same change over years...

You should be good. I did same change over years back on a 67 and only needed to change the yoke and shifter. Shifter handle from the 3 speed will work. If is the new style “plug in” real easy. Old...
Forum: The Body Shop TECH 04-20-2021, 06:41 PM
Replies: 38
Views: 6,180
Posted By helmerrock
DuraBlock.

DuraBlock.
Forum: Pontiac - Street 02-13-2021, 07:15 PM
Replies: 28
Views: 2,251
Posted By helmerrock
Find a machine shop that can EDM or spark erode...

Find a machine shop that can EDM or spark erode the tap out.
Showing results 1 to 25 of 300

 
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