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Search: Posts Made By: Domobomb
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Forum: C4 Tech/Performance
03-16-2022, 01:04 PM
Replies: 2
Views: 368
Posted By Domobomb

'85 engine spec - compression ratio.

Trying to figure out what gasket thickness to use with 64cc heads on the '85 engine. My understanding is the pistons are forged flat tops, but when I search specs I get all sorts of numbers.

Does...
Forum: C4 General Discussion
05-28-2021, 04:19 PM
Replies: 26
Views: 4,964
Posted By Domobomb

Thanks, this is what I'm confused about. I...

Thanks, this is what I'm confused about. I measured the front hub diameter and it is about 70.2mm, where the adapter you linked has an 87.1mm center bore. An 8.5mm gap around the hub is fine?

I...
Forum: C4 General Discussion
05-26-2021, 07:30 AM
Replies: 26
Views: 4,964
Posted By Domobomb

Hey do you have part numbers for the spacers and...

Hey do you have part numbers for the spacers and adapters you used, or did you get them made?

Having trouble finding spacers with the right center bore diameter.

Appreciate it, thanks.
Forum: C4 General Discussion
05-25-2021, 04:17 PM
Replies: 26
Views: 4,964
Posted By Domobomb

Thanks. What tires are you running?

Thanks. What tires are you running?
Forum: C4 Tech/Performance
05-18-2021, 12:02 PM
Replies: 24
Views: 7,419
Posted By Domobomb

Great thanks! I'm looking forward to the build.

Great thanks! I'm looking forward to the build.
Forum: C4 Tech/Performance
05-18-2021, 11:18 AM
Replies: 24
Views: 7,419
Posted By Domobomb

Well it's a moot point anyway if it doesn't fit...

Well it's a moot point anyway if it doesn't fit under the hood. I have an e-mail in with fitech tech support to see if they've fitted any of these on a C4 with an oem hood. See what they say.
Forum: C4 General Discussion
05-16-2021, 10:48 PM
Replies: 6
Views: 735
Posted By Domobomb

Yeah I've seen that pic before. Think I want to...

Yeah I've seen that pic before. Think I want to go the same route on this car as you did with yours.
Forum: C4 Tech/Performance
05-16-2021, 10:46 PM
Replies: 24
Views: 7,419
Posted By Domobomb

Didn't want to start a new thread even if this is...

Didn't want to start a new thread even if this is a couple years old now.

Has anyone tried this on a C4? Looks cool as a TPI replacement if it'll fit
Forum: C4 General Discussion
05-15-2021, 06:51 PM
Replies: 6
Views: 735
Posted By Domobomb

Thanks I'll check it out. Trying to avoid spacers...

Thanks I'll check it out. Trying to avoid spacers if I can. May just do the 9.5 wheels all around with 275s and the 38mm offset.

The 38mm offset will work with a 9.5" wheel in the rear?
Forum: C4 General Discussion
05-14-2021, 02:42 AM
Replies: 6
Views: 735
Posted By Domobomb

84-87 ZR1 Replica // Direct Fit

Hey guys, just trying to figure out what the correct offset is for direct fit wheels on the 84-87.

Looks like 17x9.5 with +38mm offset with 275/40/17 tires will work in the front.

Will 17x11...
Forum: C3 Tech/Performance
08-21-2020, 01:15 PM
Replies: 47
Views: 9,453
Posted By Domobomb

Yeap, I bought two pre-bent stainless 3/8 supply...

Yeap, I bought two pre-bent stainless 3/8 supply lines for a C3 and ran them side by side.
Forum: C3 Tech/Performance
08-21-2020, 01:13 PM
Replies: 47
Views: 9,453
Posted By Domobomb

It's best practice to have a return line with the...

It's best practice to have a return line with the regulator close to your TBI.
Forum: C3 Tech/Performance
08-19-2020, 05:57 PM
Replies: 47
Views: 9,453
Posted By Domobomb

I have FiTech EFI on both my Corvette and Camaro....

I have FiTech EFI on both my Corvette and Camaro. The factory return line is too small.

On my C3 I replaced the factory fuel lines with 2x new pre-bent 3/8" stainless lines. I made...
Forum: C3 Tech/Performance
08-19-2020, 05:50 PM
Replies: 16
Views: 748
Posted By Domobomb

For not much more you can get dial back timing...

For not much more you can get dial back timing light that shows rpm and you'll also be able to set total ignition timing by using the advance function.
...
Forum: C3 Tech/Performance
08-19-2020, 05:08 PM
Replies: 16
Views: 748
Posted By Domobomb

My dial back timing light shows RPM.

My dial back timing light shows RPM.
Forum: C3 Tech/Performance
08-19-2020, 03:03 PM
Replies: 33
Views: 16,462
Posted By Domobomb

7200 wow! What were your 60' times? I've got...

7200 wow! What were your 60' times?

I've got a 90s 2-bolt truck block (got it for free) so I set my rev limit around 6K rpm. You can hear in the vid I bounced off the limiter on the 2-3 shift, and...
Forum: C3 Tech/Performance
08-17-2020, 11:29 AM
Replies: 33
Views: 16,462
Posted By Domobomb

This is interesting - I have a bone stock GM...

This is interesting - I have a bone stock GM bottom end anyway, and it's probably at the limit with this combo - when this goes I'll prob do a forged 383 shortblock, up the compression and go with...
Forum: C3 Tech/Performance
08-17-2020, 11:24 AM
Replies: 33
Views: 16,462
Posted By Domobomb

Yeah, I have an engineering degree :D

Yeah, I have an engineering degree :D
Forum: C3 Tech/Performance
08-16-2020, 11:15 PM
Replies: 33
Views: 16,462
Posted By Domobomb

Hey guys, resurrecting this old thread but I have...

Hey guys, resurrecting this old thread but I have results on this combo:

https://www.youtube.com/watch?v=M9e9n-wrN70

Result:
60' 2.007
30 5.615
1/8 8.544 @ 84.29mph
1000 11.059
1/4 13.169...
Forum: C3 Tech/Performance
05-30-2020, 06:26 PM
Replies: 5
Views: 1,290
Posted By Domobomb

Thanks for the great information. Just so I...

Thanks for the great information. Just so I understand your O2 placement, you have them in the header or the side tubes? I guess I'll need to get them on the car to see where the best place is. Good...
Forum: C3 Tech/Performance
05-30-2020, 12:13 PM
Replies: 5
Views: 1,290
Posted By Domobomb

78' Small block. Thanks!

78' Small block. Thanks!
Forum: C3 Tech/Performance
05-29-2020, 09:34 PM
Replies: 5
Views: 1,290
Posted By Domobomb

Dougs Headers - Side Exhaust

Hey, looking at exhaust options.

Do the Doug's Headers side exhaust clear the Borgeson steering box?

Is there a decent spot to weld in a bung for an O2 sensor?

Which insert is best, and are...
Forum: C3 Tech/Performance
05-28-2020, 02:49 AM
Replies: 2
Views: 863
Posted By Domobomb

Pypes Exhaust

Has anyone recently installed a pypes exhaust system on their C3?

I read some about the system not fitting well, but wondering if it's gotten any better.
...
Forum: C3 Tech/Performance
03-05-2020, 05:15 PM
Replies: 12
Views: 1,630
Posted By Domobomb

Thanks for the input guys. Another question...

Thanks for the input guys.

Another question - is the stock SBC oiling system good enough, or should we be doing something else?
Forum: C3 Tech/Performance
03-02-2020, 05:57 PM
Replies: 12
Views: 1,630
Posted By Domobomb

Thanks.

Thanks.
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