Project 10sec lq4 91rs

After my engine threw a rod at the nmca lsx shootout here in Indianapolis I decided to go a completely diffeent route. The plan is to keep everything from the engine back the same. That includes th400 trans with brake. Coan 8" 4500 stall . Mosier 9"rearend with 4.11 gears. And full Umi suspension. This setup paired with my sad carbed 388 yielded a best of 1.55x 60ft 11.52x @116.xx mph. Car hooks very well with the 28x10.5s mickeys.

I am going to go step by step with my engine build this will be a extremely budget engine. I will keep a running total rounded up to the nearehist dollar of all the expensive. This will include all the junk I sell that is salvageable off of my old engine which is mostly all savable.

Engine plan.

.030 lq4 with flattop forged pistons with l92/ls3 valve reliefs. Ls3 heads milled .035 port work valvejob .port matched Vic jr intake with 850 proform carb (existing ) custom hydraroller cam from eps Carb friendly. ls7 lifters. Stock ls3 offset rockers msd timing control box with truck coils. ported oil pump ctsv. Oil pan.

So far I have

Ls3 heads with rockers. $650.00 shipped ls1tech
2004 Lq4 long block with 317 heads. $0.00 (traded my solid roller valvetrain sbc)
Racetech forged. 030 l92/ls3 valve reliefs pistons. Full floating pin. $520.00
Used ls2 full floating rods. $65.00 ebay
Speed pro molly plasma ring set. $105.00 summit racing
Arp. rod bolts. $90.00 ebay
machine work. 030 bore/hone. Rod bushing hone to fit. $160.00 Greys Automotive
Rod and main bearings sealed power $155.00 Autozone
In-Motion Adj. Single roller timing set. $83.00 Reckhart Performance
Valley cover grouments and rear main seal. $25.00 pace performance
CTS-V Oil Pan. Gasket. Pickup Tube. Dipstick. and Dipstick Tube $259.00 GM PARTS Direct
Oil Pump Pickup Tube Gridle. $31.00 BRP Hotrods
Stage 4 port work on heads/rockers intake $875.00. CFM performance Indpls
235*/251* .621"/.632" 110lsa. EPS Cam. $415.00. EPS
Cometic. 040 head gaskets. Ls7 lifters. Head bolts. $307.00 Texas Speed
Edelbrock victor jr. L92/ls3. Msd 6010 6ls. $629.00. SK Speed
GM ls3 intake gaskets. $64.00. Summit racing
PRC .650 spring kit. $285.00 . Legenfelter Performance.
Headbolts and valve covers. $84.00. Ebay
Coils, Brackets, Harnesses, $100.00 ls1tech
7.325" pushrods comp cams. $135.00. Hinson Motorsports
Balancer gaskets etc. $170.00. Autozone
Water pump, bolts, thermostat. $180.00 Autozone
Crank spacer. $25.00 Ls1tech
Crank spacer bolts. $30.00 Jegs
Mini starter. $82.00. Ebay
110 amp chrome 1 wire alternator. $58.00 ebay
1 3/4x3" Stainless steelworks headers. $879.00. Hawk Thirdgen
Electric Autometer Water guage and misc fittings. $76.00 Summitracing

Total. Bought so far. -$6537.00


Parts sold off old engine and unneeded lq4 parts.

Dart iron eagle heads. $550.00. Craigslist
CAT Sfi fluid balancer sbc. $50.00. Craigslist
Lq4 317 heads. $170.00 . Ls1tech
Victor jr intake. $100.00. Craigslist
Longtube headers and dual exhaust. $200.00. thirdgen.org
Msd digital 6plus. $200.00. local sale
Sbc roller rockers. $60.00 . Thirdgen.org
Sbc Hei distributor. $50.00. Craigslist
Misc Sbc parts. $100.00 Craigslist
383 crank rods and pistons. $80.00. Craigslist

Total sold. +$1560.00

Been doing quite abit of craigslist auto repair this month.

Total side work. + $1080.00

Total -$ 3895.00 in the hole

pic of car Here's a pic wheels up!!!

 

 

racetech .030 pistons

 

383 carnage

It happened at the mnca lsx shootout in indy. in october. I was running true street class. On the 20 mile cruise I notice oil pressure as low as 20psi at idle(usually around 40). Went ahead and decided to run it anyway. Didn't want to be disqualified fir popping the hood or stopping. Ran the first pass and noticed some blowy coming out if my cowling hood. Figured my valve cover breather fell off ir something dumb. So I ran my second pass and half way through first gear it felt like I was pulling a trailer. Then all a sudden it go quiet. Looked in the mirror andsaw smoke. Lol it was toast. #7 rod out the pan. Had to trailer it home for the first time ever. Engine had 5 yrs of abuse. Never had heads off or pan. Upon tear down it looked like oil pump pick up feel off. It wasn't welded.











Video 1.85 60ft it felt lazy off the line

<a href=http://s691.photobucket.com/albums/vv273/jgillen91/?action=view&current=jimmyblowup.mp4 target=_blank><img src=http://static.photobucket.com/player.swf?file=http://vid691.photobucket.com/albums/vv273/jgillen91/jimmyblowup.mp4 border=0 alt=></a>

**** don't last forever! Lol

 

got some parts in the mail today!!!

ARP Rod bolts, Sealled power plasma molly rings, sealed power std. rod and main bearings. i now have everything to complete my shortblock minus the oil pan pickup tube etc. i adjusted my running total of parts in first post as well

right now i am out of pocket $196.00 and will have a complete short block with floating wrist pins and forged pistions. now thats a budget shortblock for sure!!!!!

also threw in a pic of the last pass my car made before it blew up......:lmao: looks like it might be time for a drag bar got a pretty good amount of twist going on.

 

Update.

Got block back from machine shop. Spent last last nite in garage cleaning it up. Put a coat of chevy orange on it. Also painted front and rear covers krinkle black.Gonna try to assemble it tommorow.





370 short block complete.

Stock crank ls2 rods. 030 over racetech forged pistons with l92 reliefs.

 

Update.

Installed brp. Oil pump pickup tube gridle. Ctsv oil pan and pickup tube. Rear main seal and cover







Front cover mocked up

 

instead of sending my ls3 heads out I decided to keep it local and have mike Stark at cfm performance here in indy. Getting heads milled. 035" competition valve job. Bowl intake and exhaust port work. Special attention to the l92/ls3 exhaust port. should put compression around 11.25;1 with .040" head gasket Www.cfmperformance.com.

Also going to have a cam speced from eps this week

 

Nice for a budget build. Makes me want to do the same. Nice car to by the way. How long have you had it?

 

Thanks. My first car. Had it 8yrs

 

Awesome man, I asked because a friend of mine in TN used to have one like it with a 383 SBC and thought it was the same car.

Great job on the build. Keep us updated!

 

Subscribed.... damn near identical plans here.

Got a part number on those pistons ?

Why the LS2 rods Vs. the LQ4's ?

 

Since my engine was a 2004. I didn't have floating wrist pins like the ls2 and lq9 engines. The ls2 rod has a bushing in the small end that I had honed to fit the. .945" wrist pin. Part number of pistons is 1000592 racetech. Only company I know of that is made for stock 6.098" rod and stock 1.340" compression height. With stock deck height the pistons are. .006" outta the hole.

 

OK, so no decking needed with that combo and couldn't they make that a press pin piston or mod the LQ4 rod for a floater ? (not a engine machinist)
I like that ...could save $$$
I won't be porting heads (yet )

I'll be doing my build here in the next month or so and hoping for the same ET's (mid-low 10's)
Really hope you get yours done and on dyno or track for some numbers soon.

Foot note D,L ????

370 4.030 -- 3.622 6.098 1.340 11.4 10.8 10.0 -3.3 Call D,L 1000592 AT 4030

 

No decking. You could have the lq4 rod machined to accept a bushing and hone it to fit pin for $$$$. Ls2 rods were only 65.00$ shipped on ebay. With bushings in them. So I assume ls2 rods would be cheaper

 

Don't know what the footnote is all about lol

 

I miss my B4C; looking good!

 

Any updates?

 

waiting on mike at cfm to finish up my heads. could have them done at end of week. or early next week.

waiting to hear from geoff from eps on cam specs.

 

Cam on its way from eps

Geoff spec'd
235*/251* @. 050" .621"/.632" on a 110+4 Said it should peak around 7200rpm
Sould be here in a lil over a week