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Forum: 66-67 GTO Tempest & LeMans TECH 12-13-2023, 10:30 AM
Replies: 6
Views: 2,990
Posted By mf67gto
Kris, I have almost the exact same car/engine...

Kris,
I have almost the exact same car/engine and problem. Here are 2 links to some discussions on this exact problem https://forums.maxperformanceinc.com/forums/showthread.php?p=6426831#post6426831...
Forum: Exhaust TECH 07-24-2023, 01:33 PM
Replies: 8
Views: 1,415
Posted By mf67gto
Thanks fellows for the replies. These are the...

Thanks fellows for the replies. These are the 64-67 RP versions so I'm betting it is why I don't have as big an issue as Sirrotica describes on his car. I just got these recently (2 months ago) from...
Forum: Exhaust TECH 07-21-2023, 09:21 AM
Replies: 8
Views: 1,415
Posted By mf67gto
Sirrotica, Thanks very much for all of this...

Sirrotica, Thanks very much for all of this detail. I'm not sure the difference between the RP and DP manifolds but I have no clearance issues on the passenger side at all. On the drivers side the...
Forum: Exhaust TECH 07-19-2023, 09:29 PM
Replies: 8
Views: 1,415
Posted By mf67gto
Anyone?

Anyone?
Forum: 66-67 GTO Tempest & LeMans TECH 05-16-2023, 11:53 AM
Replies: 121
Views: 9,664
Posted By mf67gto
Congrats on this find close to home Dominic. I...

Congrats on this find close to home Dominic. I know this thread as well as ZeGermanham's are going to be motivating me as I start my '67 Restomod. Subscribed.
Forum: 66-67 GTO Tempest & LeMans TECH 05-16-2023, 08:53 AM
Replies: 0
Views: 248
Posted By mf67gto
RARE Roundport Manifolds on '67A body

Does anyone have experience in putting roundport RARE manifolds on a '67 GTO with E-heads? Passenger side no problem. Driver side has some interference. Some grinding on chassis will get it there,...
Forum: Exhaust TECH 05-11-2023, 04:05 PM
Replies: 8
Views: 1,415
Posted By mf67gto
RARE Roundport Manifolds on '67A body

Does anyone have experience in putting roundport RARE manifolds on a '67 GTO with E-heads? Passenger side no problem. Driver side has some interference. Some grinding on chassis will get it there,...
Forum: Exhaust TECH 09-16-2021, 08:41 PM
Replies: 48
Views: 12,360
Posted By mf67gto
And this method of Dougs header adjustment did...

And this method of Dougs header adjustment did not damage the coating
Forum: Exhaust TECH 09-16-2021, 08:13 PM
Replies: 48
Views: 12,360
Posted By mf67gto
Jake the spec for the D567 says the flanges are...

Jake the spec for the D567 says the flanges are 3/8 (.375"). I measure .400" (10.16mm compared to your 7.45mm) plus the head side of the tube is proud of the flange by a bit as well. This could be...
Forum: Exhaust TECH 08-14-2021, 08:33 PM
Replies: 48
Views: 12,360
Posted By mf67gto
Yes the measurement is right at 1-1/2" so we are...

Yes the measurement is right at 1-1/2" so we are good there.

The frame mounts were pretty tight on the bolts as I remember. Fortunately the body is off the car so it is pretty easy to pull these...
Forum: Exhaust TECH 08-14-2021, 03:22 PM
Replies: 48
Views: 12,360
Posted By mf67gto
Update - thinner gasket did not help. Installed...

Update - thinner gasket did not help. Installed driver side and plenty of room along the frame rail but will require a little grinding on the lower control arm support. See the two pictures. Looks...
Forum: Exhaust TECH 08-14-2021, 02:08 PM
Replies: 48
Views: 12,360
Posted By mf67gto
I'm finally installing my Dougs on the '67 GTO...

I'm finally installing my Dougs on the '67 GTO w/E round ports since I could not get the RA manifolds. They clear the block, motor mount, and bellhousing well, but on the passenger side you can see...
Forum: Exhaust TECH 07-15-2021, 02:38 PM
Replies: 42
Views: 18,442
Posted By mf67gto
Have to do it yet. Will take some photos. Body is...

Have to do it yet. Will take some photos. Body is off chassis and I need to mark up where the O2 bung will go for my FITECH system. Been busy with a number of non car things if you can imagine!
Matt
Forum: Exhaust TECH 07-15-2021, 01:54 PM
Replies: 42
Views: 18,442
Posted By mf67gto
ZeGermanHam I did the same as you after my 2 year...

ZeGermanHam I did the same as you after my 2 year wait for round port RARE manifolds. Ordered Doug's from Summit on a Friday afternoon and they were here on Sunday!
Forum: Exhaust TECH 05-25-2021, 11:02 AM
Replies: 42
Views: 18,442
Posted By mf67gto
Vertigo I'm looking for roundports for my '67...

Vertigo I'm looking for roundports for my '67 GTO. I have not found others. Do you know of any?
Thanks,
matt
Forum: Exhaust TECH 05-25-2021, 10:31 AM
Replies: 42
Views: 18,442
Posted By mf67gto
Looks like I will pull the trigger on some Dougs....

Looks like I will pull the trigger on some Dougs. Was really hoping for these RA manifolds to be available.
Forum: Exhaust TECH 05-21-2021, 08:30 AM
Replies: 42
Views: 18,442
Posted By mf67gto
Second ZeGermanHam's comments. I ordered my '67...

Second ZeGermanHam's comments. I ordered my '67 Roundports in June 2019 and I need them now as my chassis and engine are complete. I have talked to Paul probably once every 2 months since 2019 and...
Forum: 66-67 GTO Tempest & LeMans TECH 05-08-2021, 10:54 PM
Replies: 185
Views: 39,134
Posted By mf67gto
Looks great!

Looks great!
Forum: 66-67 GTO Tempest & LeMans TECH 04-25-2021, 07:44 PM
Replies: 442
Views: 105,373
Posted By mf67gto
ZeGermanHam as an FYI I ordered the RA...

ZeGermanHam as an FYI I ordered the RA restoration roundport manifolds for my '67 GTO E-head build in June 2019 - yes, 2019 and while there have been a lot of issues with the foundry, switching...
Forum: Pontiac - Race 10-06-2020, 03:42 PM
Replies: 49
Views: 5,759
Posted By mf67gto
FYI - Ram Air Restorations has a larger diameter...

FYI - Ram Air Restorations has a larger diameter round port set for'64-'67 GTOs (RM-4-OSA Round Port Ram Air/HO/SD Style Factory Headers - Oversized).
I ordered a set in June of 2019 (yes 2019). I...
Forum: Pontiac - Street 09-28-2020, 11:23 AM
Replies: 4
Views: 1,011
Posted By mf67gto
Thanks - I'll take a look at what you are using...

Thanks - I'll take a look at what you are using and the Lokar cables as well.
Forum: Pontiac - Street 09-27-2020, 03:28 PM
Replies: 4
Views: 1,011
Posted By mf67gto
FITECH Throttle Bracket '67 GTO?

For those of you running a FITECH what have you used for a throttle cable bracket and cable? I have a '67 GTO with an NOS cable and a bracket that won't line up very well and see some other brackets...
Forum: Suspension TECH 07-20-2020, 10:42 PM
Replies: 60
Views: 10,768
Posted By mf67gto
I had a problem on a '68 GTO like this that drove...

I had a problem on a '68 GTO like this that drove me crazy - even had a new reman'd booster on it. Could not get the tires to lock up and almost felt like manual brakes by how much pressure I had to...
Forum: 66-67 GTO Tempest & LeMans TECH 04-20-2020, 08:42 AM
Replies: 185
Views: 39,134
Posted By mf67gto
Thanks for the info Brad900.

Thanks for the info Brad900.
Forum: Exhaust TECH 04-13-2020, 02:07 PM
Replies: 27
Views: 8,573
Posted By mf67gto
Just an FYI for folks. I ordered last June/July a...

Just an FYI for folks. I ordered last June/July a set of Ram Air Restoration roundports for my '67 GTO from them directly. They have changed to a different foundry in the US close by to them and...
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