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Views: 687

Posted By mattquerio

Re: Horsepower estimates on build????

254/322, I ended up not doing the under drives. Good guess!

I'm impressed by the gains of pretty minor mods, especially putting those numbers down through a 700r.

Forum: Tech / General Engine

08-09-2015, 01:14 PM

Replies: 11

Views: 687

Posted By mattquerio

Re: Horsepower estimates on build????

It's at force engineering waiting for dyno tune for 93 octane. It's going to be a few weeks before they can get to it.

Forum: Tech / General Engine

08-07-2015, 11:37 PM

Replies: 11

Views: 687

Posted By mattquerio

Re: Horsepower estimates on build????

Anyone else?

Forum: Tech / General Engine

08-07-2015, 11:35 PM

Replies: 13

Views: 1,179

Posted By mattquerio

Re: No spark after head swap, help appreciated

Yeah those 2 plugs are the only that are interchangeable. I did label everything, but mis labeled those 2.

Forum: Tech / General Engine

08-04-2015, 07:35 PM

Replies: 13

Views: 1,179

Posted By mattquerio

Re: No spark after head swap, help appreciated

Problem solved. Here's what happened, in case anyone ever searches and finds this thread. There is a sensor on the underside of the upper intake plenum that readily interchanges with the two prong...

Forum: Tech / General Engine

08-01-2015, 09:33 PM

Replies: 13

Views: 1,179

Posted By mattquerio

Re: No spark after head swap, help appreciated

Ok just went out and checked one more thing... The 2 plug connector going into the ignition control module... one wire is 12v key on power, and the other is the pulse signal for the coil... the 12v...

Forum: Tech / General Engine

08-01-2015, 09:14 PM

Replies: 13

Views: 1,179

Posted By mattquerio

Re: No spark after head swap, help appreciated

That's a great website thank you, very thorough. I tested it all the way back to the pickup coil on the distributor, it tested a constant .1 ac volts, instead of the .3-1.8 ac volts is supposed to...

Forum: Tech / General Engine

08-01-2015, 03:59 PM

Replies: 13

Views: 1,179

Posted By mattquerio

Re: No spark after head swap, help appreciated

All I see going into the ignition control module is 2 plugs, one with 2 wires, one with 4. I checked both for voltage, and the 2 wire plug shows 10.3 ac volts on the meter but it does not show...

Forum: Tech / General Engine

08-01-2015, 02:28 PM

Replies: 13

Views: 1,179

Posted By mattquerio

Re: No spark after head swap, help appreciated

Yes I put it on #1 tdc and aligned the distributor as I re assembled. I'm going to check the module under the cap, good call. Thank you! I'll keep you posted!

Forum: Tech / General Engine

08-01-2015, 02:25 PM

Replies: 13

Views: 1,179

Posted By mattquerio

Re: No spark after head swap, help appreciated

Sorry totally slipped my brain!! Added to post!

Forum: Tech / General Engine

08-01-2015, 09:51 AM

Replies: 13

Views: 1,179

Posted By mattquerio

Re: No spark after head swap, help appreciated

I was told there should be a blinking signal at one of the wires when the key is in the start position, however i checked all 4 wires, none blink, they all show constant signal.

Forum: Tech / General Engine

08-01-2015, 09:44 AM

Replies: 13

Views: 1,179

Posted By mattquerio

No spark after head swap, help appreciated

So as the title states I have no spark after head swap. I know logic says ok a wire has been damaged, or not plugged in. Let me give you the situation, all 4 wires going in to coil have power. The...

Forum: Tech / General Engine

07-13-2015, 10:35 PM

Replies: 6

Views: 578

Posted By mattquerio

Re: Timing set advice for Vortec 350 with L98 cam

Thanks man!

I already bought vortec heads and a scoggin dickey lower. I'm loosely following an old super chevy article. The showed 305hp (flywheel obviously) on a tpi 350 with out of the box...

Forum: Tech / General Engine

07-13-2015, 10:32 PM

Replies: 3

Head Gasket Diagnosis question?

Views: 394

Posted By mattquerio

Re: Head Gasket Diagnosis question?

Yeah I've got the heads out being pressure tested now.

Forum: Tech / General Engine

07-13-2015, 02:37 PM

Replies: 3

Head Gasket Diagnosis question?

Views: 394

Posted By mattquerio

Head Gasket Diagnosis question?

I was told a way to diagnose a bad headgasket is to remove the serpentine belt, so that the water pump does not spin, and start the vehicle with the cap off. If coolant erupts from the open radiator...

Forum: Tech / General Engine

07-13-2015, 01:55 PM

Replies: 6

Views: 578

Posted By mattquerio

Re: Timing set advice for Vortec 350 with L98 cam

Yes I'm not too concerned. I just need a roller block, this short block has no cam installed but does have provisions for the factory roller cam.

Forum: Tech / General Engine

07-13-2015, 06:13 AM

Replies: 6

Views: 578

Posted By mattquerio

Re: Timing set advice for Vortec 350 with L98 cam

I know, that's not really my concern. Like I said if it wasn't drilled I know it at least had the bosses so it's no problem.

Forum: Tech / General Engine

07-12-2015, 10:07 PM

Replies: 6

Views: 578

Posted By mattquerio

Timing set advice for Vortec 350 with L98 cam

Ok guys, I'm trying to make sure I order the right timing set.

The car is a 1988 L98 Iroc

I plan to order this short block, because it's cost effective, and I cannot find an actual L98 short...

Forum: Organized Drag Racing and Autocross

07-07-2015, 06:27 PM

Replies: 2

Horsepower estimates on build; Will I hit 13's?

Views: 605

Posted By mattquerio

Horsepower estimates on build; Will I hit 13's?

I have a 88 L98 IROC, here's the list of parts I'm bolting on

GM vortec heads 1.94/1.5 brand new from summit
Scoggin Dickey lower intake
Comp cams 1.6 roller tip rockers
BBK 3 pc underdrive...

Forum: Tech / General Engine

07-06-2015, 10:39 PM

Replies: 11

Views: 687

Posted By mattquerio

Re: Horsepower estimates on build????

I considered aftermarket runners, really the only available readily being the edelbrock's, but I wasn't sure what kind of gains I'd experience with the stock cam. I know the Scoggin Dickey lower...

Forum: Tech / General Engine

07-06-2015, 10:12 PM

Replies: 11