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Search: Posts Made By: HD4mula
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Forum: Engine/Drivetrain/Suspension Parts for Sale
02-02-2010, 06:11 PM
Replies: 3
Views: 510
Posted By HD4mula

Re: GMPP 1.6 self align roller rockers

Yep. I put link instead where there are pics. Suddenly I have one with dibs there. :huh: But you are in line if he backs out. Thanks for the interest.
Forum: Engine/Drivetrain/Suspension Parts for Sale
02-02-2010, 05:43 PM
Replies: 3
Views: 510
Posted By HD4mula

GMPP 1.6 self align roller rockers

These are the same that come in the HOT cam kit. Used only about 5k miles. $150 OBO shipped to lower 48 (Paypal add 3%).
If interested please email c332moto@yahoo.com Thanks.

Please check...
Forum: TPI
08-26-2008, 06:05 PM
Replies: 7
Views: 734
Posted By HD4mula

Re: everyone should watch these videos

Nice. But who is the vendor? Couldn't find his store link :(
Forum: Aftermarket Product Review
04-24-2008, 09:42 AM
Replies: 27
Views: 2,190
Posted By HD4mula

Re: New starter reccomendation

I had a Powermaster that failed the first month. Pure crap. Don't go there. Then I bought a CVS P100. This thing can crank up to 14:1. Very nice.
Forum: Aftermarket Product Review
01-15-2008, 07:48 PM
Replies: 24
Views: 29,348
Posted By HD4mula

Re: Comp "thumpr" cam

They specifically state they don't recommend these thumpr cams for FI cars.
Forum: Problems / Help / Suggestions / Comments
11-30-2007, 11:44 AM
Replies: 2
Views: 525
Posted By HD4mula

How can I search only in the subject??

There was an option and I was able to do it. Where did it go? What I am doing wrong? I only see now a generic and userid. Does'nt make sense to me. Please help. TIA
Forum: Tech / General Engine
09-25-2007, 08:22 PM
Replies: 6
Views: 2,929
Posted By HD4mula

Re: What valve cover gasket you use with AFR heads? Mine are leaking :-(

Thanks. I was planning on using black RTV too.
Forum: Tech / General Engine
09-19-2007, 08:27 PM
Replies: 6
Views: 2,929
Posted By HD4mula

What valve cover gasket you use with AFR heads? Mine are leaking :-(

I used the Felpro cork type gasket PN# 1648 for centerbolt, (1604 for perimeter) and after 2700 miles they are leaking a little on the lower long sides. Is there anything better out there? Help...
Forum: TPI
08-24-2007, 03:08 PM
Replies: 9
Views: 7,463
Posted By HD4mula

Re: Comp Cams Xtreme XFI 268 sound clip

Nice! That sounds like a 3" exhaust. Below is my XFI-268 in a different car. I have AFR 180 heads in a 355 10:1 with roller rockers, 52mm, AS&M runners, Edelbrock base, ported plenum, shorty 1 1/2"...
Forum: TPI
06-27-2007, 12:43 PM
Replies: 33
Views: 9,930
Posted By HD4mula

Re: 304rwhp/366rwtq TPI Dyno - AFR heads, XFI268 cam etc.

Because I added all at once is hard to say but I think heads and cam were the bigest contributors. But of course the high flow intake needed to be there.
Forum: TPI
06-26-2007, 10:07 AM
Replies: 18
Views: 1,162
Posted By HD4mula

Re: Got my car dyno tuned today

Yeah. It would be a great comparison so please post it. I heard around 5% too for difference between two. Just be sure to get SAE #s.
Forum: TPI
06-26-2007, 09:59 AM
Replies: 16
Views: 1,296
Posted By HD4mula

Re: Experience and/or thoughts concerning TPIS/AFR L98 Heads

I got 304rwhp/366rwtq with the Eliminator 180s and bigger intake. Look details here:
https://www.thirdgen.org/forums/tpi/413552-304rwhp-366rwtq-tpi-dyno.html
Forum: TPI
04-12-2007, 02:35 PM
Replies: 9
Views: 1,544
Posted By HD4mula

Re: oil leak problem in a 89 tpi

I got bite by this twice. Like mentioned yo need a really good amount of RTV and make sure that the corners at the top (manifold & head) and at bottom (block, manifold & head) are well covered. Oil...
Forum: TPI
03-28-2007, 08:28 PM
Replies: 26
Views: 1,777
Posted By HD4mula

Re: E-Tec/SDPC Vortec

I have the XFI 268. Idles perfect at 750-800rpm and gives me 17Hg of vacum. I don't see any big difference from a stock setup. Gave me 304hp/366tq to the wheels with restrictive exhaust.
Forum: TPI
03-23-2007, 05:14 PM
Replies: 33
Views: 9,930
Posted By HD4mula

Re: 304rwhp/366rwtq TPI Dyno - AFR heads, XFI268 cam etc.

Yeah, I would be hesitant to add bigger headers to loose a lot of torque low and gain only 10hp at 5K or higher. But I think if I go crazy and fabricate some custom made long tubes I may get moer HP...
Forum: TPI
03-22-2007, 07:41 PM
Replies: 2
Views: 568
Posted By HD4mula

Re: Any one running 383 with stock injectors

I'm running the stock 22# with my 304rwhp which may be close to 340 crank hp on my car. On a 383 I would upgrade them for sure to be safe but you may run them for a while. Just make sure it doesn't...
Forum: TPI
03-21-2007, 04:16 PM
Replies: 33
Views: 9,930
Posted By HD4mula

Re: 304rwhp/366rwtq TPI Dyno - AFR heads, XFI268 cam etc.

I'm running a roller cam (post 87 block). Last couple days the clutch seems to be holding better so I think I may be able to take it to the track. After the 500 miles break in it was slipping on hard...
Forum: TPI
03-21-2007, 08:07 AM
Replies: 33
Views: 9,930
Posted By HD4mula

Re: 304rwhp/366rwtq TPI Dyno - AFR heads, XFI268 cam etc.

I did my own tunning at the dyno. Not sure if they tune too. Probably. They deal a lot with turbo Supras. The place is TPI. Located on US1 very close to Belvedere Rd.
Forum: TPI
03-20-2007, 04:39 PM
Replies: 13
Views: 1,193
Posted By HD4mula

Re: Crazy Looking TPI, check it out fellas!

Is the 2nd TB for looks? If not I wonder how is the linkage for it as it only shows one opening.
Forum: TPI
03-20-2007, 07:34 AM
Replies: 33
Views: 9,930
Posted By HD4mula

I'm sorry but the cam was never used on a stock...

I'm sorry but the cam was never used on a stock ECM setup so I can't be of help with that. Maybe others may shime in with experience with cams with similar duration. It pulls about 17Hg of vacuum at...
Forum: TPI
03-18-2007, 05:52 PM
Replies: 33
Views: 9,930
Posted By HD4mula

Thanks all ;) I agree with the headers. I could...

Thanks all ;) I agree with the headers. I could go to 1 5/8 but 1 3/4 may be pushing it. Then it probably would be shorties unless I go crazy and cut the trunk to hold a muffler. But then again that...
Forum: TPI
03-17-2007, 03:45 PM
Replies: 33
Views: 9,930
Posted By HD4mula

Thanks all. Look dyno videos below ;) ...

Thanks all. Look dyno videos below ;)

http://www.youtube.com/watch?v=wiBHBI1wQT0

http://www.youtube.com/watch?v=7mxubvAu2SA

Some engine detail shown here;...
Forum: TPI
03-17-2007, 11:48 AM
Replies: 33
Views: 9,930
Posted By HD4mula

I know there is much more to had on exhaust...

I know there is much more to had on exhaust (mainly headers). But this is not a Firebird/Camaro so there is no other option on headers unless I go custom and then there is still not much space. I did...
Forum: TPI
03-17-2007, 09:09 AM
Replies: 33
Views: 9,930
Posted By HD4mula

304rwhp/366rwtq TPI Dyno - AFR heads, XFI268 cam etc.

Last dyno it did 236hp/342tq and now 304hp/366tq both at the wheels (SAE). So that's a 68hp/24tq gain. I adjusted fuel and timing at the session but there were no major gains from initial (6hp/9tq)....
Forum: Aftermarket Product Review
03-14-2007, 10:03 AM
Replies: 14
Views: 4,109
Posted By HD4mula

Typical reaction expected from TFS customer...

Typical reaction expected from TFS customer :rolleyes:
Forum: Aftermarket Product Review
03-13-2007, 08:09 AM
Replies: 14
Views: 4,109
Posted By HD4mula

This is a great test no matter what and I thank...

This is a great test no matter what and I thank you for it. But of course no one can go now and compare these #s to other head #s because the test bed is not the same no matter what good things you...
Forum: TPI
03-12-2007, 08:05 PM
Replies: 1
Views: 409
Posted By HD4mula

Not sure what is the stock reading but 21 sound...

Not sure what is the stock reading but 21 sound great to me. I had 18 with my previous non stock cam on stock intake (if that matters) and now have 17 with my XFI268 cam and AFR heads on...
Forum: Aftermarket Product Review
03-08-2007, 02:16 PM
Replies: 34
Views: 6,330
Posted By HD4mula

Yeah. Is by dishonest $$oles like your friend...

Yeah. Is by dishonest $$oles like your friend that Ebay gets bad name. But we have those everywhere...


On another note this TRE Performance was usually advertising AFR heads without being in...
Forum: TPI
03-08-2007, 12:20 PM
Replies: 3
Views: 847
Posted By HD4mula

I bought a similar one but different sellers...

I bought a similar one but different sellers name. mjblum (Matt Blum). Great unit for the price and worked perfectly. Great improvement over my old one and about $100 cheaper than cheapest new unit.
Forum: TPI
03-05-2007, 04:03 PM
Replies: 99
Views: 12,387
Posted By HD4mula

This is great news. I'm using the same cam but I...

This is great news. I'm using the same cam but I don't expect those high numbers as some parts are not that heavily modified.
Are the dyno numbers SAE? What is that "SAE 1.1" on yor chart?...
Forum: TPI
02-09-2007, 01:43 PM
Replies: 13
Views: 955
Posted By HD4mula

I'm using these narrow body with my Eliminator...

I'm using these narrow body with my Eliminator 180s and XFI268 cam. No problems with vavle cover clearance.

http://store.summitracing.com/partdetail.asp?part=SUM%2DG6938%2D16&autoview=sku
Forum: TPI
02-07-2007, 09:18 AM
Replies: 5
Views: 513
Posted By HD4mula

I have a set of 180s installed. Like them very...

I have a set of 180s installed. Like them very much. Still tuning. I got them in one week. I bought them from here; http://www.adperformance.com/
He usualy have some model in stock. After waiting 8...
Forum: TPI
02-06-2007, 03:08 PM
Replies: 5
Views: 7,247
Posted By HD4mula

Thanks all for the replies. Hey thirdgen88; those...

Thanks all for the replies. Hey thirdgen88; those engine mods are so close to mines. Do you have any dyno #s of your car?

1989GTATransAm; I'm using 10° base (distributor) because that's where it...
Forum: TPI
02-05-2007, 05:09 PM
Replies: 37
Views: 1,273
Posted By HD4mula

You can remove the rail. Just gently pry the...

You can remove the rail. Just gently pry the injectors out of the lower manifold with the rail. Other than that there should be nothing to hold those runners other than pieces of the gasket still...
Forum: TPI
02-05-2007, 03:38 PM
Replies: 37
Views: 1,273
Posted By HD4mula

Take off the fuel rail front bolt (holding the...

Take off the fuel rail front bolt (holding the pipes that connect to fuel hoses) and lift the whole fuel rail with injectors. Then they should be free to pull. The only thing I see is that rubber...
Forum: TPI
02-05-2007, 10:11 AM
Replies: 5
Views: 7,247
Posted By HD4mula

Guideance on WOT timing advance on moded TPI

I never see this topic here and I'm not sure if it should go in the DIY Prom but I'll try here on TPI first. I would like to get some guidance or opinions on the timing advance curve for my moded...
Forum: TPI
01-29-2007, 03:56 PM
Replies: 56
Views: 8,520
Posted By HD4mula

Funny how people say "..because I can't make...

Funny how people say "..because I can't make those numbers then they also can't make them".... or "because I have better heads, cam, bolts I should make more but I ain't so they can't..". Many will...
Forum: TPI
01-29-2007, 12:52 PM
Replies: 4
Views: 1,650
Posted By HD4mula

Of course everybody is entitled to have their...

Of course everybody is entitled to have their opinions and that's what you will get in a topic like this. I ran NGKs UR4 (U grove) and worked super on the stock engine. I run NGK on all my cars with...
Forum: DIY PROM
12-22-2006, 07:43 PM
Replies: 5
Views: 513
Posted By HD4mula

Factory manual. Ok. I do have one but for a MPFI...

Factory manual. Ok. I do have one but for a MPFI V6. Same thing less 2 cylinders. I'll look there then and see what can I find. I just thought this was so common here to be in a web page somewhere....
Forum: DIY PROM
12-22-2006, 12:58 PM
Replies: 5
Views: 513
Posted By HD4mula

Could you please tell me where I can get that? I...

Could you please tell me where I can get that? I don't use that Datamaster. What is it? Sorry for my ignorance.
Forum: DIY PROM
12-22-2006, 09:30 AM
Replies: 5
Views: 513
Posted By HD4mula

Anyone knows here can I get a mapping of MAP volts to KPAs?

I'm reading/logging the MAP voltage with my LM-1 WBO2 unit. I would like to know if some mapping exist of the MAP voltage to the KPA values shown in Tunercat. This is for a TPI engine. TIA.
Forum: Tech / General Engine
12-21-2006, 12:14 PM
Replies: 4
Views: 517
Posted By HD4mula

I know I'm on the rich side now. I put a lot of...

I know I'm on the rich side now. I put a lot of fuel to be on the safe side and start from there. Yes it is a dual exhaust system with just mufflers. Tks
Forum: Tech / General Engine
12-21-2006, 08:07 AM
Replies: 4
Views: 517
Posted By HD4mula

Air/Fuel ratio- Opinions on what to run

I have an LM1 to accurately measure my A/F ratio. I did a search but didn't find much. Without tuning engine was running about 13.5-15.5:1 WOT above 3000 rpm. I thought that was too lean. I did some...
Forum: Aftermarket Product Review
12-19-2006, 10:17 AM
Replies: 21
Views: 7,977
Posted By HD4mula

These things are just awesome. Not from the buy...

These things are just awesome. Not from the buy but here are mines and a comparison to stock.
Forum: TPI
12-17-2006, 08:32 PM
Replies: 26
Views: 2,158
Posted By HD4mula

LOL! Someone copy paste in Excel data from two...

LOL! Someone copy paste in Excel data from two different articles 4 months apart and calls that a comparison test? Please send that to CHP so they can publish it in their next issue with no work at...
Forum: TPI
12-13-2006, 08:43 AM
Replies: 5
Views: 782
Posted By HD4mula

As far as I know for the IAC to fully function...

As far as I know for the IAC to fully function properly after an IAC swap the car needs to be driven above 30-35mph for several minutes (>10) for the ECM to learn the new one. Once I do that it works...
Forum: TPI
12-13-2006, 07:33 AM
Replies: 26
Views: 2,158
Posted By HD4mula

Thanks all for the comments ;). Yes it is a blast...

Thanks all for the comments ;). Yes it is a blast to ride. The idle is just fine as you can hear. In my case I set it up to idle at about 750rpm-800rpm. I tried base idle lower than 750 but engine...
Forum: TPI
12-12-2006, 07:00 PM
Replies: 26
Views: 2,158
Posted By HD4mula

I had a stock TPI and then added the following...

I had a stock TPI and then added the following similar to your plans;
AFR Eliminator 180 heads (milled to 10:1)
Edelbrock base (same as the rest)
AS&M runners
Plenum ported by Mike (Corvette...
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